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< a href = "xpress__interface_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright 2019 RTE< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < span class = "comment" > // Licensed under the Apache License, Version 2.0 (the " License" );< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "comment" > // you may not use this file except in compliance with the License.< / span > < / div >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > 4< / span > < span class = "comment" > // You may obtain a copy of the License at< / span > < / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > 5< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < span class = "comment" > // http://www.apache.org/licenses/LICENSE-2.0< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > 8< / span > < span class = "comment" > // Unless required by applicable law or agreed to in writing, software< / span > < / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "comment" > // distributed under the License is distributed on an " AS IS" BASIS,< / span > < / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > < span class = "comment" > // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.< / span > < / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < span class = "comment" > // See the License for the specific language governing permissions and< / span > < / div >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > 12< / span > < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > < span class = "comment" > // Initial version of this code was provided by RTE< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < span class = "preprocessor" > #if defined(USE_XPRESS)< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include < algorithm> < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include < limits> < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " absl/strings/str_format.h" < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < span class = "preprocessor" > #include " < a class = "code" href = "integral__types_8h.html" > ortools/base/integral_types.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "preprocessor" > #include " < a class = "code" href = "timer_8h.html" > ortools/base/timer.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "preprocessor" > #include " < a class = "code" href = "linear__solver_8h.html" > ortools/linear_solver/linear_solver.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "keyword" > extern< / span > < span class = "stringliteral" > " C" < / span > {< / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "preprocessor" > #include " xprs.h" < / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > }< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "preprocessor" > #define XPRS_INTEGER ' I' < / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "preprocessor" > #define XPRS_CONTINUOUS ' C' < / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "preprocessor" > #define STRINGIFY2(X) #X< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "preprocessor" > #define STRINGIFY(X) STRINGIFY2(X)< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "keywordtype" > void< / span > printError(< span class = "keyword" > const< / span > XPRSprob& mLp, < span class = "keywordtype" > int< / span > line) {< / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "keywordtype" > char< / span > errmsg[512];< / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > XPRSgetlasterror(mLp, errmsg);< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < absl::StrFormat(< span class = "stringliteral" > " Function line %d did not execute correctly: %s\n" < / span > ,< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > line, errmsg);< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > exit(0);< / div >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > }< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "keywordtype" > int< / span > XPRSgetnumcols(< span class = "keyword" > const< / span > XPRSprob& mLp) {< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keywordtype" > int< / span > nCols = 0;< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > XPRSgetintattrib(mLp, XPRS_COLS, & nCols);< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "keywordflow" > return< / span > nCols;< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > }< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > < / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > < span class = "keywordtype" > int< / span > XPRSgetnumrows(< span class = "keyword" > const< / span > XPRSprob& mLp) {< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "keywordtype" > int< / span > nRows = 0;< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > XPRSgetintattrib(mLp, XPRS_ROWS, & nRows);< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < span class = "keywordflow" > return< / span > nRows;< / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > }< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordtype" > int< / span > XPRSgetitcnt(< span class = "keyword" > const< / span > XPRSprob& mLp) {< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "keywordtype" > int< / span > nIters = 0;< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > XPRSgetintattrib(mLp, XPRS_SIMPLEXITER, & nIters);< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "keywordflow" > return< / span > nIters;< / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > }< / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "keywordtype" > int< / span > XPRSgetnodecnt(< span class = "keyword" > const< / span > XPRSprob& mLp) {< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "keywordtype" > int< / span > nNodes = 0;< / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > XPRSgetintattrib(mLp, XPRS_NODES, & nNodes);< / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "keywordflow" > return< / span > nNodes;< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > }< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "keywordtype" > int< / span > XPRSsetobjoffset(< span class = "keyword" > const< / span > XPRSprob& mLp, < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > XPRSsetdblcontrol(mLp, XPRS_OBJRHS, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > }< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "keyword" > enum< / span > XPRS_BASIS_STATUS {< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > XPRS_AT_LOWER = 0,< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > XPRS_BASIC = 1,< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > XPRS_AT_UPPER = 2,< / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > XPRS_FREE_SUPER = 3< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > };< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < span class = "comment" > // In case we need to return a double but don' t have a value for that< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "comment" > // we just return a NaN.< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "preprocessor" > #if !defined(CPX_NAN)< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "preprocessor" > #define XPRS_NAN std::numeric_limits< double> ::quiet_NaN()< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "comment" > // The argument to this macro is the invocation of a XPRS function that< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "comment" > // returns a status. If the function returns non-zero the macro aborts< / span > < / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < span class = "comment" > // the program with an appropriate error message.< / span > < / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "preprocessor" > #define CHECK_STATUS(s) \< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "preprocessor" > int const status_ = s; \< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "preprocessor" > CHECK_EQ(0, status_); \< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "preprocessor" > } while (0)< / span > < / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keyword" > using< / span > std::unique_ptr;< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "comment" > // For a model that is extracted to an instance of this class there is a< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "comment" > // 1:1 corresponence between MPVariable instances and XPRESS columns: the< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "comment" > // index of an extracted variable is the column index in the XPRESS model.< / span > < / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "comment" > // Similar for instances of MPConstraint: the index of the constraint in< / span > < / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < span class = "comment" > // the model is the row index in the XPRESS model.< / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "keyword" > class < / span > XpressInterface : < span class = "keyword" > public< / span > MPSolverInterface {< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "comment" > // NOTE: ' mip' specifies the type of the problem (either continuous or< / span > < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "comment" > // mixed integer. This type is fixed for the lifetime of the< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "comment" > // instance. There are no dynamic changes to the model type.< / span > < / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keyword" > explicit< / span > XpressInterface(MPSolver* < span class = "keyword" > const< / span > solver, < span class = "keywordtype" > bool< / span > mip);< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > ~XpressInterface();< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < span class = "comment" > // Sets the optimization direction (min/max).< / span > < / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetOptimizationDirection(< span class = "keywordtype" > bool< / span > maximize);< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > < / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > < span class = "comment" > // ----- Solve -----< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > // Solve the problem using the parameter values specified.< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "keyword" > virtual< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > MPSolver::ResultStatus< / a > < a class = "code hl_function" href = "namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1" > Solve< / a > (MPSolverParameters < span class = "keyword" > const< / span > & param);< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "comment" > // ----- Model modifications and extraction -----< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "comment" > // Resets extracted model< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > Reset();< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetVariableBounds(< span class = "keywordtype" > int< / span > var_index, < span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub);< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetVariableInteger(< span class = "keywordtype" > int< / span > var_index, < span class = "keywordtype" > bool< / span > integer);< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetConstraintBounds(< span class = "keywordtype" > int< / span > row_index, < span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub);< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > AddRowConstraint(MPConstraint* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > );< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > AddVariable(MPVariable* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetCoefficient(MPConstraint* < span class = "keyword" > const< / span > constraint,< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "keywordtype" > double< / span > new_value, < span class = "keywordtype" > double< / span > old_value);< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "comment" > // Clear a constraint from all its terms.< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ClearConstraint(MPConstraint* < span class = "keyword" > const< / span > constraint);< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < span class = "comment" > // Change a coefficient in the linear objective< / span > < / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetObjectiveCoefficient(MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > );< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "comment" > // Change the constant term in the linear objective.< / span > < / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetObjectiveOffset(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "comment" > // Clear the objective from all its terms.< / span > < / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ClearObjective();< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > < / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > < span class = "comment" > // ------ Query statistics on the solution and the solve ------< / span > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "comment" > // Number of simplex iterations< / span > < / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "keyword" > virtual< / span > int64_t iterations() < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "comment" > // Number of branch-and-bound nodes. Only available for discrete problems.< / span > < / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < span class = "keyword" > virtual< / span > int64_t < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < span class = "comment" > // Returns the basis status of a row.< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "keyword" > virtual< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d" > MPSolver::BasisStatus< / a > row_status(< span class = "keywordtype" > int< / span > constraint_index) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "comment" > // Returns the basis status of a column.< / span > < / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > < span class = "keyword" > virtual< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d" > MPSolver::BasisStatus< / a > column_status(< span class = "keywordtype" > int< / span > variable_index) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "comment" > // ----- Misc -----< / span > < / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < span class = "comment" > // Query problem type.< / span > < / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < span class = "comment" > // Remember that problem type is a static property that is set< / span > < / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "comment" > // in the constructor and never changed.< / span > < / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > bool< / span > IsContinuous()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > IsLP(); }< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > bool< / span > IsLP()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > !mMip; }< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > bool< / span > IsMIP()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > mMip; }< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > < / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractNewVariables();< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractNewConstraints();< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractObjective();< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < span class = "keyword" > virtual< / span > std::string SolverVersion() < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > * underlying_solver() { < span class = "keywordflow" > return< / span > < span class = "keyword" > reinterpret_cast< < / span > < span class = "keywordtype" > void< / span > *< span class = "keyword" > > < / span > (mLp); }< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > double< / span > ComputeExactConditionNumber()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "keywordflow" > if< / span > (!IsContinuous()) {< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " ComputeExactConditionNumber not implemented for" < / span > < / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < < < span class = "stringliteral" > " XPRESS_MIXED_INTEGER_PROGRAMMING" < / span > ;< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "keywordflow" > return< / span > 0.0;< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > }< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > < / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < span class = "comment" > // TODO(user,user): Not yet working.< / span > < / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " ComputeExactConditionNumber not implemented for" < / span > < / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < < < span class = "stringliteral" > " XPRESS_LINEAR_PROGRAMMING" < / span > ;< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > < span class = "keywordflow" > return< / span > 0.0;< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > }< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > < / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > < span class = "keyword" > protected< / span > :< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "comment" > // Set all parameters in the underlying solver.< / span > < / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetParameters(MPSolverParameters < span class = "keyword" > const< / span > & param);< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // Set each parameter in the underlying solver.< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetRelativeMipGap(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetPrimalTolerance(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetDualTolerance(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetPresolveMode(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetScalingMode(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetLpAlgorithm(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > < span class = "keyword" > virtual< / span > < span class = "keywordtype" > bool< / span > ReadParameterFile(std::string < span class = "keyword" > const< / span > & filename);< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > < span class = "keyword" > virtual< / span > std::string ValidFileExtensionForParameterFile() < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > < / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "comment" > // Mark modeling object " out of sync" . This implicitly invalidates< / span > < / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < span class = "comment" > // solution information as well. It is the counterpart of< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "comment" > // MPSolverInterface::InvalidateSolutionSynchronization< / span > < / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < span class = "keywordtype" > void< / span > InvalidateModelSynchronization() {< / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > mCstat = 0;< / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > mRstat = 0;< / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > sync_status_ = MUST_RELOAD;< / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > }< / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "comment" > // Transform XPRESS basis status to MPSolver basis status.< / span > < / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "keyword" > static< / span > < a class = "code hl_enumeration" href = "classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d" > MPSolver::BasisStatus< / a > xformBasisStatus(< span class = "keywordtype" > int< / span > xpress_basis_status);< / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < / div >
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > XPRSprob mLp;< / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > mMip;< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < span class = "comment" > // Incremental extraction.< / span > < / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "comment" > // Without incremental extraction we have to re-extract the model every< / span > < / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "comment" > // time we perform a solve. Due to the way the Reset() function is< / span > < / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "comment" > // implemented, this will lose MIP start or basis information from a< / span > < / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > < span class = "comment" > // previous solve. On the other hand, if there is a significant changes< / span > < / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > < span class = "comment" > // to the model then just re-extracting everything is usually faster than< / span > < / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > < span class = "comment" > // keeping the low-level modeling object in sync with the high-level< / span > < / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > < span class = "comment" > // variables/constraints.< / span > < / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > < span class = "comment" > // Note that incremental extraction is particularly expensive in function< / span > < / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > < span class = "comment" > // ExtractNewVariables() since there we must scan _all_ old constraints< / span > < / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > < span class = "comment" > // and update them with respect to the new variables.< / span > < / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > supportIncrementalExtraction;< / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > < / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > < span class = "comment" > // Use slow and immediate updates or try to do bulk updates.< / span > < / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > < span class = "comment" > // For many updates to the model we have the option to either perform< / span > < / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "comment" > // the update immediately with a potentially slow operation or to< / span > < / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > < span class = "comment" > // just mark the low-level modeling object out of sync and re-extract< / span > < / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > < span class = "comment" > // the model later.< / span > < / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > < span class = "keyword" > enum< / span > SlowUpdates {< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > SlowSetCoefficient = 0x0001,< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > SlowClearConstraint = 0x0002,< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > SlowSetObjectiveCoefficient = 0x0004,< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > SlowClearObjective = 0x0008,< / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > SlowSetConstraintBounds = 0x0010,< / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > SlowSetVariableInteger = 0x0020,< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > SlowSetVariableBounds = 0x0040,< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > SlowUpdatesAll = 0xffff< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > } < span class = "keyword" > const< / span > slowUpdates;< / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < span class = "comment" > // XPRESS has no method to query the basis status of a single variable.< / span > < / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > < span class = "comment" > // Hence we query the status only once and cache the array. This is< / span > < / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < span class = "comment" > // much faster in case the basis status of more than one row/column< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > // is required.< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > unique_ptr< int[]> < span class = "keyword" > mutable< / span > mCstat;< / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > unique_ptr< int[]> < span class = "keyword" > mutable< / span > mRstat;< / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > < / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > < span class = "comment" > // Setup the right-hand side of a constraint from its lower and upper bound.< / span > < / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < span class = "keyword" > static< / span > < span class = "keywordtype" > void< / span > MakeRhs(< span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub, < span class = "keywordtype" > double< / span > & rhs, < span class = "keywordtype" > char< / span > & sense,< / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < span class = "keywordtype" > double< / span > & range);< / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > };< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > < / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > < span class = "keywordtype" > int< / span > init_xpress_env(< span class = "keywordtype" > int< / span > xpress_oem_license_key = 0) {< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > < span class = "keywordtype" > int< / span > code;< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > < / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * xpress_from_env = getenv(< span class = "stringliteral" > " XPRESS" < / span > );< / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > std::string xpresspath;< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > < / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > < span class = "keywordflow" > if< / span > (xpress_from_env == < span class = "keyword" > nullptr< / span > ) {< / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > < span class = "preprocessor" > #if defined(XPRESS_PATH)< / span > < / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > std::string path(STRINGIFY(XPRESS_PATH));< / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > )< / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < < < span class = "stringliteral" > " Environment variable XPRESS undefined. Trying compile path " < / span > < / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < < < span class = "stringliteral" > " ' " < / span > < < path < < < span class = "stringliteral" > " ' " < / span > ;< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "preprocessor" > #if defined(_MSC_VER)< / span > < / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "comment" > // need to remove the enclosing ' \" ' from the string itself.< / span > < / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > path.erase(std::remove(path.begin(), path.end(), < span class = "charliteral" > ' \" ' < / span > ), path.end());< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > xpresspath = path + < span class = "stringliteral" > " \\bin" < / span > ;< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > < span class = "preprocessor" > #else < / span > < span class = "comment" > // _MSC_VER< / span > < / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > xpresspath = path + < span class = "stringliteral" > " /bin" < / span > ;< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // _MSC_VER< / span > < / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > < span class = "preprocessor" > #else< / span > < / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > )< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < < < span class = "stringliteral" > " XpressInterface Error : Environment variable XPRESS undefined.\n" < / span > ;< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > xpresspath = xpress_from_env;< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > }< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > < / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > < span class = "keywordflow" > if< / span > (xpress_oem_license_key == 0) {< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > ) < < < span class = "stringliteral" > " XpressInterface : Initialising xpress-MP with parameter " < / span > < / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > < < xpresspath < < std::endl;< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > < / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > code = XPRSinit(xpresspath.c_str());< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > < / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > < span class = "keywordflow" > if< / span > (!code) {< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "keywordtype" > char< / span > banner[1000];< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > XPRSgetbanner(banner);< / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > < / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > ) < < < span class = "stringliteral" > " XpressInterface : Xpress banner :\n" < / span > < / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > < < banner < < std::endl;< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keywordtype" > char< / span > errmsg[256];< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > XPRSgetlicerrmsg(errmsg, 256);< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > < / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < < span class = "stringliteral" > " XpressInterface : License error : " < / span > < < errmsg < < std::endl;< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < < span class = "stringliteral" > " XpressInterface : XPRSinit returned code : " < / span > < < code < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > < / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > < span class = "keywordtype" > char< / span > banner[1000];< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > XPRSgetbanner(banner);< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > < / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (ERROR) < < < span class = "stringliteral" > " XpressInterface : Xpress banner :\n" < / span > < < banner < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > }< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > ) < < < span class = "stringliteral" > " XpressInterface : Initialising xpress-MP with OEM key " < / span > < / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > < < xpress_oem_license_key < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > < / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > < span class = "keywordtype" > int< / span > nvalue = 0;< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > < span class = "keywordtype" > int< / span > ierr;< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > < span class = "keywordtype" > char< / span > slicmsg[256] = < span class = "stringliteral" > " " < / span > ;< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > < span class = "keywordtype" > char< / span > errmsg[256];< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > XPRSlicense(& nvalue, slicmsg);< / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < < span class = "stringliteral" > " XpressInterface : First message from XPRSLicense : " < / span > < < slicmsg< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > nvalue = xpress_oem_license_key - ((nvalue * nvalue) / 19);< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > ierr = XPRSlicense(& nvalue, slicmsg);< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < / div >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > 330< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < < span class = "stringliteral" > " XpressInterface : Second message from XPRSLicense : " < / span > < < slicmsg< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > < span class = "keywordflow" > if< / span > (ierr == 16) {< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (0) < < < span class = "stringliteral" > " XpressInterface : Optimizer development software detected\n" < / span > ;< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ierr != 0) {< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > XPRSgetlicerrmsg(errmsg, 256);< / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > < / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (ERROR) < < < span class = "stringliteral" > " XpressInterface : " < / span > < < errmsg < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > }< / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > code = XPRSinit(NULL);< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > < / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > < span class = "keywordflow" > if< / span > (!code) {< / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (ERROR) < < < span class = "stringliteral" > " XPRSinit returned code : " < / span > < < code < < < span class = "stringliteral" > " \n" < / span > ;< / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < span class = "keywordflow" > return< / span > -1;< / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > }< / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > }< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > }< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < span class = "comment" > // Creates a LP/MIP instance.< / span > < / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > XpressInterface::XpressInterface(MPSolver* < span class = "keyword" > const< / span > solver, < span class = "keywordtype" > bool< / span > mip)< / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > : MPSolverInterface(solver),< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > mLp(0),< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > mMip(mip),< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > supportIncrementalExtraction(false),< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > slowUpdates(static_cast< SlowUpdates> (SlowSetObjectiveCoefficient |< / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > SlowClearObjective)),< / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > mCstat(),< / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > mRstat() {< / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > = init_xpress_env();< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > CHECK_STATUS(< a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > );< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > = XPRScreateprob(& mLp);< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > CHECK_STATUS(< a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > );< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (mLp != < span class = "keyword" > nullptr< / span > ); < span class = "comment" > // should not be NULL if status=0< / span > < / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > CHECK_STATUS(XPRSloadlp(mLp, < span class = "stringliteral" > " newProb" < / span > , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0));< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > < / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > CHECK_STATUS(< / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > XPRSchgobjsense(mLp, < a class = "code hl_variable" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > ? XPRS_OBJ_MAXIMIZE : XPRS_OBJ_MINIMIZE));< / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > }< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > < / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > XpressInterface::~XpressInterface() {< / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > CHECK_STATUS(XPRSdestroyprob(mLp));< / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > CHECK_STATUS(XPRSfree());< / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > }< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > < / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > std::string XpressInterface::SolverVersion()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < span class = "comment" > // We prefer XPRSversionnumber() over XPRSversion() since the< / span > < / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "comment" > // former will never pose any encoding issues.< / span > < / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < span class = "keywordtype" > int< / span > version = 0;< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > CHECK_STATUS(XPRSgetintcontrol(mLp, XPRS_VERSION, & version));< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > < / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > major = version / 1000000;< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > version -= major * 1000000;< / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > release = version / 10000;< / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > version -= release * 10000;< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > mod = version / 100;< / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > version -= mod * 100;< / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > fix = version;< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > < / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > < span class = "keywordflow" > return< / span > absl::StrFormat(< span class = "stringliteral" > " XPRESS library version %d.%02d.%02d.%02d" < / span > , major,< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > release, mod, fix);< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > }< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > < span class = "comment" > // ------ Model modifications and extraction -----< / span > < / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > < span class = "keywordtype" > void< / span > XpressInterface::Reset() {< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > < span class = "comment" > // Instead of explicitly clearing all modeling objects we< / span > < / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > < span class = "comment" > // just delete the problem object and allocate a new one.< / span > < / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > CHECK_STATUS(XPRSdestroyprob(mLp));< / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > < / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > ;< / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > = XPRScreateprob(& mLp);< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > CHECK_STATUS(< a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > );< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (mLp != < span class = "keyword" > nullptr< / span > ); < span class = "comment" > // should not be NULL if status=0< / span > < / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > CHECK_STATUS(XPRSloadlp(mLp, < span class = "stringliteral" > " newProb" < / span > , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0));< / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > < / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > CHECK_STATUS(< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > XPRSchgobjsense(mLp, < a class = "code hl_variable" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > ? XPRS_OBJ_MAXIMIZE : XPRS_OBJ_MINIMIZE));< / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > < / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > ResetExtractionInformation();< / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > mCstat = 0;< / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > mRstat = 0;< / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > }< / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > < / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetOptimizationDirection(< span class = "keywordtype" > bool< / span > maximize) {< / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > XPRSchgobjsense(mLp, maximize ? XPRS_OBJ_MAXIMIZE : XPRS_OBJ_MINIMIZE);< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > }< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > < / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetVariableBounds(< span class = "keywordtype" > int< / span > var_index, < span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub) {< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > < / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > < span class = "comment" > // Changing the bounds of a variable is fast. However, doing this for< / span > < / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > < span class = "comment" > // many variables may still be slow. So we don' t perform the update by< / span > < / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > < span class = "comment" > // default. However, if we support incremental extraction< / span > < / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > < span class = "comment" > // (supportIncrementalExtraction is true) then we MUST perform the< / span > < / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > < span class = "comment" > // update here or we will lose it.< / span > < / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > < / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & !(slowUpdates & SlowSetVariableBounds)) {< / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(var_index)) {< / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > < span class = "comment" > // Variable has already been extracted, so we must modify the< / span > < / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > < span class = "comment" > // modeling object.< / span > < / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (var_index, last_variable_index_);< / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > < span class = "keywordtype" > char< / span > < span class = "keyword" > const< / span > lu[2] = {< span class = "charliteral" > ' L' < / span > , < span class = "charliteral" > ' U' < / span > };< / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > < span class = "keywordtype" > double< / span > < span class = "keyword" > const< / span > bd[2] = {lb, ub};< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx[2] = {var_index, var_index};< / div >
< div class = "line" > < a id = "l00442" name = "l00442" > < / a > < span class = "lineno" > 442< / span > CHECK_STATUS(XPRSchgbounds(mLp, 2, idx, lu, bd));< / div >
< div class = "line" > < a id = "l00443" name = "l00443" > < / a > < span class = "lineno" > 443< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00444" name = "l00444" > < / a > < span class = "lineno" > 444< / span > < span class = "comment" > // Variable is not yet extracted. It is sufficient to just mark< / span > < / div >
< div class = "line" > < a id = "l00445" name = "l00445" > < / a > < span class = "lineno" > 445< / span > < span class = "comment" > // the modeling object " out of sync" < / span > < / div >
< div class = "line" > < a id = "l00446" name = "l00446" > < / a > < span class = "lineno" > 446< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00447" name = "l00447" > < / a > < span class = "lineno" > 447< / span > }< / div >
< div class = "line" > < a id = "l00448" name = "l00448" > < / a > < span class = "lineno" > 448< / span > }< / div >
< div class = "line" > < a id = "l00449" name = "l00449" > < / a > < span class = "lineno" > 449< / span > }< / div >
< div class = "line" > < a id = "l00450" name = "l00450" > < / a > < span class = "lineno" > 450< / span > < / div >
< div class = "line" > < a id = "l00451" name = "l00451" > < / a > < span class = "lineno" > 451< / span > < span class = "comment" > // Modifies integrality of an extracted variable.< / span > < / div >
< div class = "line" > < a id = "l00452" name = "l00452" > < / a > < span class = "lineno" > 452< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetVariableInteger(< span class = "keywordtype" > int< / span > var_index, < span class = "keywordtype" > bool< / span > integer) {< / div >
< div class = "line" > < a id = "l00453" name = "l00453" > < / a > < span class = "lineno" > 453< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00454" name = "l00454" > < / a > < span class = "lineno" > 454< / span > < / div >
< div class = "line" > < a id = "l00455" name = "l00455" > < / a > < span class = "lineno" > 455< / span > < span class = "comment" > // NOTE: The type of the model (continuous or mixed integer) is< / span > < / div >
< div class = "line" > < a id = "l00456" name = "l00456" > < / a > < span class = "lineno" > 456< / span > < span class = "comment" > // defined once and for all in the constructor. There are no< / span > < / div >
< div class = "line" > < a id = "l00457" name = "l00457" > < / a > < span class = "lineno" > 457< / span > < span class = "comment" > // dynamic changes to the model type.< / span > < / div >
< div class = "line" > < a id = "l00458" name = "l00458" > < / a > < span class = "lineno" > 458< / span > < / div >
< div class = "line" > < a id = "l00459" name = "l00459" > < / a > < span class = "lineno" > 459< / span > < span class = "comment" > // Changing the type of a variable should be fast. Still, doing all< / span > < / div >
< div class = "line" > < a id = "l00460" name = "l00460" > < / a > < span class = "lineno" > 460< / span > < span class = "comment" > // updates in one big chunk right before solve() is usually faster.< / span > < / div >
< div class = "line" > < a id = "l00461" name = "l00461" > < / a > < span class = "lineno" > 461< / span > < span class = "comment" > // However, if we support incremental extraction< / span > < / div >
< div class = "line" > < a id = "l00462" name = "l00462" > < / a > < span class = "lineno" > 462< / span > < span class = "comment" > // (supportIncrementalExtraction is true) then we MUST change the< / span > < / div >
< div class = "line" > < a id = "l00463" name = "l00463" > < / a > < span class = "lineno" > 463< / span > < span class = "comment" > // type of extracted variables here.< / span > < / div >
< div class = "line" > < a id = "l00464" name = "l00464" > < / a > < span class = "lineno" > 464< / span > < / div >
< div class = "line" > < a id = "l00465" name = "l00465" > < / a > < span class = "lineno" > 465< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & !slowUpdates & & < / div >
< div class = "line" > < a id = "l00466" name = "l00466" > < / a > < span class = "lineno" > 466< / span > !SlowSetVariableInteger) {< / div >
< div class = "line" > < a id = "l00467" name = "l00467" > < / a > < span class = "lineno" > 467< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00468" name = "l00468" > < / a > < span class = "lineno" > 468< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00469" name = "l00469" > < / a > < span class = "lineno" > 469< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l00470" name = "l00470" > < / a > < span class = "lineno" > 470< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(var_index)) {< / div >
< div class = "line" > < a id = "l00471" name = "l00471" > < / a > < span class = "lineno" > 471< / span > < span class = "comment" > // Variable is extracted. Change the type immediately.< / span > < / div >
< div class = "line" > < a id = "l00472" name = "l00472" > < / a > < span class = "lineno" > 472< / span > < span class = "comment" > // TODO: Should we check the current type and don' t do anything< / span > < / div >
< div class = "line" > < a id = "l00473" name = "l00473" > < / a > < span class = "lineno" > 473< / span > < span class = "comment" > // in case the type does not change?< / span > < / div >
< div class = "line" > < a id = "l00474" name = "l00474" > < / a > < span class = "lineno" > 474< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (var_index, XPRSgetnumcols(mLp));< / div >
< div class = "line" > < a id = "l00475" name = "l00475" > < / a > < span class = "lineno" > 475< / span > < span class = "keywordtype" > char< / span > < span class = "keyword" > const< / span > type = integer ? XPRS_INTEGER : XPRS_CONTINUOUS;< / div >
< div class = "line" > < a id = "l00476" name = "l00476" > < / a > < span class = "lineno" > 476< / span > CHECK_STATUS(XPRSchgcoltype(mLp, 1, & var_index, & type));< / div >
< div class = "line" > < a id = "l00477" name = "l00477" > < / a > < span class = "lineno" > 477< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00478" name = "l00478" > < / a > < span class = "lineno" > 478< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00479" name = "l00479" > < / a > < span class = "lineno" > 479< / span > }< / div >
< div class = "line" > < a id = "l00480" name = "l00480" > < / a > < span class = "lineno" > 480< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00481" name = "l00481" > < / a > < span class = "lineno" > 481< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL)< / div >
< div class = "line" > < a id = "l00482" name = "l00482" > < / a > < span class = "lineno" > 482< / span > < < < span class = "stringliteral" > " Attempt to change variable to integer in non-MIP problem!" < / span > ;< / div >
< div class = "line" > < a id = "l00483" name = "l00483" > < / a > < span class = "lineno" > 483< / span > }< / div >
< div class = "line" > < a id = "l00484" name = "l00484" > < / a > < span class = "lineno" > 484< / span > }< / div >
< div class = "line" > < a id = "l00485" name = "l00485" > < / a > < span class = "lineno" > 485< / span > }< / div >
< div class = "line" > < a id = "l00486" name = "l00486" > < / a > < span class = "lineno" > 486< / span > < / div >
< div class = "line" > < a id = "l00487" name = "l00487" > < / a > < span class = "lineno" > 487< / span > < span class = "comment" > // Setup the right-hand side of a constraint.< / span > < / div >
< div class = "line" > < a id = "l00488" name = "l00488" > < / a > < span class = "lineno" > 488< / span > < span class = "keywordtype" > void< / span > XpressInterface::MakeRhs(< span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub, < span class = "keywordtype" > double< / span > & rhs, < span class = "keywordtype" > char< / span > & sense,< / div >
< div class = "line" > < a id = "l00489" name = "l00489" > < / a > < span class = "lineno" > 489< / span > < span class = "keywordtype" > double< / span > & range) {< / div >
< div class = "line" > < a id = "l00490" name = "l00490" > < / a > < span class = "lineno" > 490< / span > < span class = "keywordflow" > if< / span > (lb == ub) {< / div >
< div class = "line" > < a id = "l00491" name = "l00491" > < / a > < span class = "lineno" > 491< / span > < span class = "comment" > // Both bounds are equal -> this is an equality constraint< / span > < / div >
< div class = "line" > < a id = "l00492" name = "l00492" > < / a > < span class = "lineno" > 492< / span > rhs = lb;< / div >
< div class = "line" > < a id = "l00493" name = "l00493" > < / a > < span class = "lineno" > 493< / span > range = 0.0;< / div >
< div class = "line" > < a id = "l00494" name = "l00494" > < / a > < span class = "lineno" > 494< / span > sense = < span class = "charliteral" > ' E' < / span > ;< / div >
< div class = "line" > < a id = "l00495" name = "l00495" > < / a > < span class = "lineno" > 495< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (lb > XPRS_MINUSINFINITY & & ub < XPRS_PLUSINFINITY) {< / div >
< div class = "line" > < a id = "l00496" name = "l00496" > < / a > < span class = "lineno" > 496< / span > < span class = "comment" > // Both bounds are finite -> this is a ranged constraint< / span > < / div >
< div class = "line" > < a id = "l00497" name = "l00497" > < / a > < span class = "lineno" > 497< / span > < span class = "comment" > // The value of a ranged constraint is allowed to be in< / span > < / div >
< div class = "line" > < a id = "l00498" name = "l00498" > < / a > < span class = "lineno" > 498< / span > < span class = "comment" > // [ rhs[i], rhs[i]+rngval[i] ]< / span > < / div >
< div class = "line" > < a id = "l00499" name = "l00499" > < / a > < span class = "lineno" > 499< / span > < span class = "comment" > // see also the reference documentation for XPRSnewrows()< / span > < / div >
< div class = "line" > < a id = "l00500" name = "l00500" > < / a > < span class = "lineno" > 500< / span > < span class = "keywordflow" > if< / span > (ub < lb) {< / div >
< div class = "line" > < a id = "l00501" name = "l00501" > < / a > < span class = "lineno" > 501< / span > < span class = "comment" > // The bounds for the constraint are contradictory. XPRESS models< / span > < / div >
< div class = "line" > < a id = "l00502" name = "l00502" > < / a > < span class = "lineno" > 502< / span > < span class = "comment" > // a range constraint l < = ax < = u as< / span > < / div >
< div class = "line" > < a id = "l00503" name = "l00503" > < / a > < span class = "lineno" > 503< / span > < span class = "comment" > // ax = l + v< / span > < / div >
< div class = "line" > < a id = "l00504" name = "l00504" > < / a > < span class = "lineno" > 504< / span > < span class = "comment" > // where v is an auxiliary variable the range of which is controlled< / span > < / div >
< div class = "line" > < a id = "l00505" name = "l00505" > < / a > < span class = "lineno" > 505< / span > < span class = "comment" > // by l and u: if l < u then v in [0, u-l]< / span > < / div >
< div class = "line" > < a id = "l00506" name = "l00506" > < / a > < span class = "lineno" > 506< / span > < span class = "comment" > // else v in [u-l, 0]< / span > < / div >
< div class = "line" > < a id = "l00507" name = "l00507" > < / a > < span class = "lineno" > 507< / span > < span class = "comment" > // (the range is specified as the rngval[] argument to XPRSnewrows).< / span > < / div >
< div class = "line" > < a id = "l00508" name = "l00508" > < / a > < span class = "lineno" > 508< / span > < span class = "comment" > // Thus XPRESS cannot represent range constraints with contradictory< / span > < / div >
< div class = "line" > < a id = "l00509" name = "l00509" > < / a > < span class = "lineno" > 509< / span > < span class = "comment" > // bounds and we must error out here.< / span > < / div >
< div class = "line" > < a id = "l00510" name = "l00510" > < / a > < span class = "lineno" > 510< / span > CHECK_STATUS(-1);< / div >
< div class = "line" > < a id = "l00511" name = "l00511" > < / a > < span class = "lineno" > 511< / span > }< / div >
< div class = "line" > < a id = "l00512" name = "l00512" > < / a > < span class = "lineno" > 512< / span > rhs = ub;< / div >
< div class = "line" > < a id = "l00513" name = "l00513" > < / a > < span class = "lineno" > 513< / span > range = ub - lb;< / div >
< div class = "line" > < a id = "l00514" name = "l00514" > < / a > < span class = "lineno" > 514< / span > sense = < span class = "charliteral" > ' R' < / span > ;< / div >
< div class = "line" > < a id = "l00515" name = "l00515" > < / a > < span class = "lineno" > 515< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ub < XPRS_PLUSINFINITY || (std::abs(ub) == XPRS_PLUSINFINITY & & < / div >
< div class = "line" > < a id = "l00516" name = "l00516" > < / a > < span class = "lineno" > 516< / span > std::abs(lb) > XPRS_PLUSINFINITY)) {< / div >
< div class = "line" > < a id = "l00517" name = "l00517" > < / a > < span class = "lineno" > 517< / span > < span class = "comment" > // Finite upper, infinite lower bound -> this is a < = constraint< / span > < / div >
< div class = "line" > < a id = "l00518" name = "l00518" > < / a > < span class = "lineno" > 518< / span > rhs = ub;< / div >
< div class = "line" > < a id = "l00519" name = "l00519" > < / a > < span class = "lineno" > 519< / span > range = 0.0;< / div >
< div class = "line" > < a id = "l00520" name = "l00520" > < / a > < span class = "lineno" > 520< / span > sense = < span class = "charliteral" > ' L' < / span > ;< / div >
< div class = "line" > < a id = "l00521" name = "l00521" > < / a > < span class = "lineno" > 521< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (lb > XPRS_MINUSINFINITY || (std::abs(lb) == XPRS_PLUSINFINITY & & < / div >
< div class = "line" > < a id = "l00522" name = "l00522" > < / a > < span class = "lineno" > 522< / span > std::abs(ub) > XPRS_PLUSINFINITY)) {< / div >
< div class = "line" > < a id = "l00523" name = "l00523" > < / a > < span class = "lineno" > 523< / span > < span class = "comment" > // Finite lower, infinite upper bound -> this is a > = constraint< / span > < / div >
< div class = "line" > < a id = "l00524" name = "l00524" > < / a > < span class = "lineno" > 524< / span > rhs = lb;< / div >
< div class = "line" > < a id = "l00525" name = "l00525" > < / a > < span class = "lineno" > 525< / span > range = 0.0;< / div >
< div class = "line" > < a id = "l00526" name = "l00526" > < / a > < span class = "lineno" > 526< / span > sense = < span class = "charliteral" > ' G' < / span > ;< / div >
< div class = "line" > < a id = "l00527" name = "l00527" > < / a > < span class = "lineno" > 527< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00528" name = "l00528" > < / a > < span class = "lineno" > 528< / span > < span class = "comment" > // Lower and upper bound are both infinite.< / span > < / div >
< div class = "line" > < a id = "l00529" name = "l00529" > < / a > < span class = "lineno" > 529< / span > < span class = "comment" > // This is used for example in .mps files to specify alternate< / span > < / div >
< div class = "line" > < a id = "l00530" name = "l00530" > < / a > < span class = "lineno" > 530< / span > < span class = "comment" > // objective functions.< / span > < / div >
< div class = "line" > < a id = "l00531" name = "l00531" > < / a > < span class = "lineno" > 531< / span > < span class = "comment" > // Note that the case lb==ub was already handled above, so we just< / span > < / div >
< div class = "line" > < a id = "l00532" name = "l00532" > < / a > < span class = "lineno" > 532< / span > < span class = "comment" > // pick the bound with larger magnitude and create a constraint for it.< / span > < / div >
< div class = "line" > < a id = "l00533" name = "l00533" > < / a > < span class = "lineno" > 533< / span > < span class = "comment" > // Note that we replace the infinite bound by XPRS_PLUSINFINITY since< / span > < / div >
< div class = "line" > < a id = "l00534" name = "l00534" > < / a > < span class = "lineno" > 534< / span > < span class = "comment" > // bounds with larger magnitude may cause other XPRESS functions to< / span > < / div >
< div class = "line" > < a id = "l00535" name = "l00535" > < / a > < span class = "lineno" > 535< / span > < span class = "comment" > // fail (for example the export to LP files).< / span > < / div >
< div class = "line" > < a id = "l00536" name = "l00536" > < / a > < span class = "lineno" > 536< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (std::abs(lb), XPRS_PLUSINFINITY);< / div >
< div class = "line" > < a id = "l00537" name = "l00537" > < / a > < span class = "lineno" > 537< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (std::abs(ub), XPRS_PLUSINFINITY);< / div >
< div class = "line" > < a id = "l00538" name = "l00538" > < / a > < span class = "lineno" > 538< / span > < span class = "keywordflow" > if< / span > (std::abs(lb) > std::abs(ub)) {< / div >
< div class = "line" > < a id = "l00539" name = "l00539" > < / a > < span class = "lineno" > 539< / span > rhs = (lb < 0) ? -XPRS_PLUSINFINITY : XPRS_PLUSINFINITY;< / div >
< div class = "line" > < a id = "l00540" name = "l00540" > < / a > < span class = "lineno" > 540< / span > sense = < span class = "charliteral" > ' G' < / span > ;< / div >
< div class = "line" > < a id = "l00541" name = "l00541" > < / a > < span class = "lineno" > 541< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00542" name = "l00542" > < / a > < span class = "lineno" > 542< / span > rhs = (ub < 0) ? -XPRS_PLUSINFINITY : XPRS_PLUSINFINITY;< / div >
< div class = "line" > < a id = "l00543" name = "l00543" > < / a > < span class = "lineno" > 543< / span > sense = < span class = "charliteral" > ' L' < / span > ;< / div >
< div class = "line" > < a id = "l00544" name = "l00544" > < / a > < span class = "lineno" > 544< / span > }< / div >
< div class = "line" > < a id = "l00545" name = "l00545" > < / a > < span class = "lineno" > 545< / span > range = 0.0;< / div >
< div class = "line" > < a id = "l00546" name = "l00546" > < / a > < span class = "lineno" > 546< / span > }< / div >
< div class = "line" > < a id = "l00547" name = "l00547" > < / a > < span class = "lineno" > 547< / span > }< / div >
< div class = "line" > < a id = "l00548" name = "l00548" > < / a > < span class = "lineno" > 548< / span > < / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00549" name = "l00549" > < / a > < span class = "lineno" > 549< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetConstraintBounds(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , < span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00550" name = "l00550" > < / a > < span class = "lineno" > 550< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00551" name = "l00551" > < / a > < span class = "lineno" > 551< / span > < / div >
< div class = "line" > < a id = "l00552" name = "l00552" > < / a > < span class = "lineno" > 552< / span > < span class = "comment" > // Changing rhs, sense, or range of a constraint is not too slow.< / span > < / div >
< div class = "line" > < a id = "l00553" name = "l00553" > < / a > < span class = "lineno" > 553< / span > < span class = "comment" > // Still, doing all the updates in one large operation is faster.< / span > < / div >
< div class = "line" > < a id = "l00554" name = "l00554" > < / a > < span class = "lineno" > 554< / span > < span class = "comment" > // Note however that if we do not want to re-extract the full model< / span > < / div >
< div class = "line" > < a id = "l00555" name = "l00555" > < / a > < span class = "lineno" > 555< / span > < span class = "comment" > // for each solve (supportIncrementalExtraction is true) then we MUST< / span > < / div >
< div class = "line" > < a id = "l00556" name = "l00556" > < / a > < span class = "lineno" > 556< / span > < span class = "comment" > // update the constraint here, otherwise we lose this update information.< / span > < / div >
< div class = "line" > < a id = "l00557" name = "l00557" > < / a > < span class = "lineno" > 557< / span > < / div >
< div class = "line" > < a id = "l00558" name = "l00558" > < / a > < span class = "lineno" > 558< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & < / div >
< div class = "line" > < a id = "l00559" name = "l00559" > < / a > < span class = "lineno" > 559< / span > !(slowUpdates & SlowSetConstraintBounds)) {< / div >
< div class = "line" > < a id = "l00560" name = "l00560" > < / a > < span class = "lineno" > 560< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00561" name = "l00561" > < / a > < span class = "lineno" > 561< / span > } < span class = "keywordflow" > else< / span > {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00562" name = "l00562" > < / a > < span class = "lineno" > 562< / span > < span class = "keywordflow" > if< / span > (constraint_is_extracted(< a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > )) {< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00563" name = "l00563" > < / a > < span class = "lineno" > 563< / span > < span class = "comment" > // Constraint is already extracted, so we must update its bounds< / span > < / div >
< div class = "line" > < a id = "l00564" name = "l00564" > < / a > < span class = "lineno" > 564< / span > < span class = "comment" > // and its type.< / span > < / div >
< div class = "line" > < a id = "l00565" name = "l00565" > < / a > < span class = "lineno" > 565< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (mLp != NULL);< / div >
< div class = "line" > < a id = "l00566" name = "l00566" > < / a > < span class = "lineno" > 566< / span > < span class = "keywordtype" > char< / span > sense;< / div >
< div class = "line" > < a id = "l00567" name = "l00567" > < / a > < span class = "lineno" > 567< / span > < span class = "keywordtype" > double< / span > range, rhs;< / div >
< div class = "line" > < a id = "l00568" name = "l00568" > < / a > < span class = "lineno" > 568< / span > MakeRhs(lb, ub, rhs, sense, range);< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00569" name = "l00569" > < / a > < span class = "lineno" > 569< / span > CHECK_STATUS(XPRSchgrhs(mLp, 1, & < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & lb));< / div >
< div class = "line" > < a id = "l00570" name = "l00570" > < / a > < span class = "lineno" > 570< / span > CHECK_STATUS(XPRSchgrowtype(mLp, 1, & < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & sense));< / div >
< div class = "line" > < a id = "l00571" name = "l00571" > < / a > < span class = "lineno" > 571< / span > CHECK_STATUS(XPRSchgrhsrange(mLp, 1, & < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & range));< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00572" name = "l00572" > < / a > < span class = "lineno" > 572< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00573" name = "l00573" > < / a > < span class = "lineno" > 573< / span > < span class = "comment" > // Constraint is not yet extracted. It is sufficient to mark the< / span > < / div >
< div class = "line" > < a id = "l00574" name = "l00574" > < / a > < span class = "lineno" > 574< / span > < span class = "comment" > // modeling object as " out of sync" < / span > < / div >
< div class = "line" > < a id = "l00575" name = "l00575" > < / a > < span class = "lineno" > 575< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00576" name = "l00576" > < / a > < span class = "lineno" > 576< / span > }< / div >
< div class = "line" > < a id = "l00577" name = "l00577" > < / a > < span class = "lineno" > 577< / span > }< / div >
< div class = "line" > < a id = "l00578" name = "l00578" > < / a > < span class = "lineno" > 578< / span > }< / div >
< div class = "line" > < a id = "l00579" name = "l00579" > < / a > < span class = "lineno" > 579< / span > < / div >
< div class = "line" > < a id = "l00580" name = "l00580" > < / a > < span class = "lineno" > 580< / span > < span class = "keywordtype" > void< / span > XpressInterface::AddRowConstraint(MPConstraint* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > ) {< / div >
< div class = "line" > < a id = "l00581" name = "l00581" > < / a > < span class = "lineno" > 581< / span > < span class = "comment" > // This is currently only invoked when a new constraint is created,< / span > < / div >
< div class = "line" > < a id = "l00582" name = "l00582" > < / a > < span class = "lineno" > 582< / span > < span class = "comment" > // see MPSolver::MakeRowConstraint().< / span > < / div >
< div class = "line" > < a id = "l00583" name = "l00583" > < / a > < span class = "lineno" > 583< / span > < span class = "comment" > // At this point we only have the lower and upper bounds of the< / span > < / div >
< div class = "line" > < a id = "l00584" name = "l00584" > < / a > < span class = "lineno" > 584< / span > < span class = "comment" > // constraint. We could immediately call XPRSaddrows() here but it is< / span > < / div >
< div class = "line" > < a id = "l00585" name = "l00585" > < / a > < span class = "lineno" > 585< / span > < span class = "comment" > // usually much faster to handle the fully populated constraint in< / span > < / div >
< div class = "line" > < a id = "l00586" name = "l00586" > < / a > < span class = "lineno" > 586< / span > < span class = "comment" > // ExtractNewConstraints() right before the solve.< / span > < / div >
< div class = "line" > < a id = "l00587" name = "l00587" > < / a > < span class = "lineno" > 587< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00588" name = "l00588" > < / a > < span class = "lineno" > 588< / span > }< / div >
< div class = "line" > < a id = "l00589" name = "l00589" > < / a > < span class = "lineno" > 589< / span > < / div >
< div class = "line" > < a id = "l00590" name = "l00590" > < / a > < span class = "lineno" > 590< / span > < span class = "keywordtype" > void< / span > XpressInterface::AddVariable(MPVariable* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > ) {< / div >
< div class = "line" > < a id = "l00591" name = "l00591" > < / a > < span class = "lineno" > 591< / span > < span class = "comment" > // This is currently only invoked when a new variable is created,< / span > < / div >
< div class = "line" > < a id = "l00592" name = "l00592" > < / a > < span class = "lineno" > 592< / span > < span class = "comment" > // see MPSolver::MakeVar().< / span > < / div >
< div class = "line" > < a id = "l00593" name = "l00593" > < / a > < span class = "lineno" > 593< / span > < span class = "comment" > // At this point the variable does not appear in any constraints or< / span > < / div >
< div class = "line" > < a id = "l00594" name = "l00594" > < / a > < span class = "lineno" > 594< / span > < span class = "comment" > // the objective function. We could invoke XPRSaddcols() to immediately< / span > < / div >
< div class = "line" > < a id = "l00595" name = "l00595" > < / a > < span class = "lineno" > 595< / span > < span class = "comment" > // create the variable here but it is usually much faster to handle the< / span > < / div >
< div class = "line" > < a id = "l00596" name = "l00596" > < / a > < span class = "lineno" > 596< / span > < span class = "comment" > // fully setup variable in ExtractNewVariables() right before the solve.< / span > < / div >
< div class = "line" > < a id = "l00597" name = "l00597" > < / a > < span class = "lineno" > 597< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00598" name = "l00598" > < / a > < span class = "lineno" > 598< / span > }< / div >
< div class = "line" > < a id = "l00599" name = "l00599" > < / a > < span class = "lineno" > 599< / span > < / div >
< div class = "line" > < a id = "l00600" name = "l00600" > < / a > < span class = "lineno" > 600< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetCoefficient(MPConstraint* < span class = "keyword" > const< / span > constraint,< / div >
< div class = "line" > < a id = "l00601" name = "l00601" > < / a > < span class = "lineno" > 601< / span > MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
< div class = "line" > < a id = "l00602" name = "l00602" > < / a > < span class = "lineno" > 602< / span > < span class = "keywordtype" > double< / span > new_value, < span class = "keywordtype" > double< / span > ) {< / div >
< div class = "line" > < a id = "l00603" name = "l00603" > < / a > < span class = "lineno" > 603< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00604" name = "l00604" > < / a > < span class = "lineno" > 604< / span > < / div >
< div class = "line" > < a id = "l00605" name = "l00605" > < / a > < span class = "lineno" > 605< / span > < span class = "comment" > // Changing a single coefficient in the matrix is potentially pretty< / span > < / div >
< div class = "line" > < a id = "l00606" name = "l00606" > < / a > < span class = "lineno" > 606< / span > < span class = "comment" > // slow since that coefficient has to be found in the sparse matrix< / span > < / div >
< div class = "line" > < a id = "l00607" name = "l00607" > < / a > < span class = "lineno" > 607< / span > < span class = "comment" > // representation. So by default we don' t perform this update immediately< / span > < / div >
< div class = "line" > < a id = "l00608" name = "l00608" > < / a > < span class = "lineno" > 608< / span > < span class = "comment" > // but instead mark the low-level modeling object " out of sync" .< / span > < / div >
< div class = "line" > < a id = "l00609" name = "l00609" > < / a > < span class = "lineno" > 609< / span > < span class = "comment" > // If we want to support incremental extraction then we MUST perform< / span > < / div >
< div class = "line" > < a id = "l00610" name = "l00610" > < / a > < span class = "lineno" > 610< / span > < span class = "comment" > // the modification immediately or we will lose it.< / span > < / div >
< div class = "line" > < a id = "l00611" name = "l00611" > < / a > < span class = "lineno" > 611< / span > < / div >
< div class = "line" > < a id = "l00612" name = "l00612" > < / a > < span class = "lineno" > 612< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & !(slowUpdates & SlowSetCoefficient)) {< / div >
< div class = "line" > < a id = "l00613" name = "l00613" > < / a > < span class = "lineno" > 613< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00614" name = "l00614" > < / a > < span class = "lineno" > 614< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00615" name = "l00615" > < / a > < span class = "lineno" > 615< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = constraint-> index();< / div >
< div class = "line" > < a id = "l00616" name = "l00616" > < / a > < span class = "lineno" > 616< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = variable-> index();< / div >
< div class = "line" > < a id = "l00617" name = "l00617" > < / a > < span class = "lineno" > 617< / span > < span class = "keywordflow" > if< / span > (constraint_is_extracted(< a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ) & & variable_is_extracted(< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a id = "l00618" name = "l00618" > < / a > < span class = "lineno" > 618< / span > < span class = "comment" > // If row and column are both extracted then we can directly< / span > < / div >
< div class = "line" > < a id = "l00619" name = "l00619" > < / a > < span class = "lineno" > 619< / span > < span class = "comment" > // update the modeling object< / span > < / div >
< div class = "line" > < a id = "l00620" name = "l00620" > < / a > < span class = "lineno" > 620< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (< a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > , last_constraint_index_);< / div >
< div class = "line" > < a id = "l00621" name = "l00621" > < / a > < span class = "lineno" > 621< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , last_variable_index_);< / div >
< div class = "line" > < a id = "l00622" name = "l00622" > < / a > < span class = "lineno" > 622< / span > CHECK_STATUS(XPRSchgcoef(mLp, < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > , < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , new_value));< / div >
< div class = "line" > < a id = "l00623" name = "l00623" > < / a > < span class = "lineno" > 623< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00624" name = "l00624" > < / a > < span class = "lineno" > 624< / span > < span class = "comment" > // If either row or column is not yet extracted then we can< / span > < / div >
< div class = "line" > < a id = "l00625" name = "l00625" > < / a > < span class = "lineno" > 625< / span > < span class = "comment" > // defer the update to ExtractModel()< / span > < / div >
< div class = "line" > < a id = "l00626" name = "l00626" > < / a > < span class = "lineno" > 626< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00627" name = "l00627" > < / a > < span class = "lineno" > 627< / span > }< / div >
< div class = "line" > < a id = "l00628" name = "l00628" > < / a > < span class = "lineno" > 628< / span > }< / div >
< div class = "line" > < a id = "l00629" name = "l00629" > < / a > < span class = "lineno" > 629< / span > }< / div >
< div class = "line" > < a id = "l00630" name = "l00630" > < / a > < span class = "lineno" > 630< / span > < / div >
< div class = "line" > < a id = "l00631" name = "l00631" > < / a > < span class = "lineno" > 631< / span > < span class = "keywordtype" > void< / span > XpressInterface::ClearConstraint(MPConstraint* < span class = "keyword" > const< / span > constraint) {< / div >
< div class = "line" > < a id = "l00632" name = "l00632" > < / a > < span class = "lineno" > 632< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = constraint-> index();< / div >
< div class = "line" > < a id = "l00633" name = "l00633" > < / a > < span class = "lineno" > 633< / span > < span class = "keywordflow" > if< / span > (!constraint_is_extracted(< a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ))< / div >
< div class = "line" > < a id = "l00634" name = "l00634" > < / a > < span class = "lineno" > 634< / span > < span class = "comment" > // There is nothing to do if the constraint was not even extracted.< / span > < / div >
< div class = "line" > < a id = "l00635" name = "l00635" > < / a > < span class = "lineno" > 635< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00636" name = "l00636" > < / a > < span class = "lineno" > 636< / span > < / div >
< div class = "line" > < a id = "l00637" name = "l00637" > < / a > < span class = "lineno" > 637< / span > < span class = "comment" > // Clearing a constraint means setting all coefficients in the corresponding< / span > < / div >
< div class = "line" > < a id = "l00638" name = "l00638" > < / a > < span class = "lineno" > 638< / span > < span class = "comment" > // row to 0 (we cannot just delete the row since that would renumber all< / span > < / div >
< div class = "line" > < a id = "l00639" name = "l00639" > < / a > < span class = "lineno" > 639< / span > < span class = "comment" > // the constraints/rows after it).< / span > < / div >
< div class = "line" > < a id = "l00640" name = "l00640" > < / a > < span class = "lineno" > 640< / span > < span class = "comment" > // Modifying coefficients in the matrix is potentially pretty expensive< / span > < / div >
< div class = "line" > < a id = "l00641" name = "l00641" > < / a > < span class = "lineno" > 641< / span > < span class = "comment" > // since they must be found in the sparse matrix representation. That is< / span > < / div >
< div class = "line" > < a id = "l00642" name = "l00642" > < / a > < span class = "lineno" > 642< / span > < span class = "comment" > // why by default we do not modify the coefficients here but only mark< / span > < / div >
< div class = "line" > < a id = "l00643" name = "l00643" > < / a > < span class = "lineno" > 643< / span > < span class = "comment" > // the low-level modeling object " out of sync" .< / span > < / div >
< div class = "line" > < a id = "l00644" name = "l00644" > < / a > < span class = "lineno" > 644< / span > < / div >
< div class = "line" > < a id = "l00645" name = "l00645" > < / a > < span class = "lineno" > 645< / span > < span class = "keywordflow" > if< / span > (!(slowUpdates & SlowClearConstraint)) {< / div >
< div class = "line" > < a id = "l00646" name = "l00646" > < / a > < span class = "lineno" > 646< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00647" name = "l00647" > < / a > < span class = "lineno" > 647< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00648" name = "l00648" > < / a > < span class = "lineno" > 648< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00649" name = "l00649" > < / a > < span class = "lineno" > 649< / span > < / div >
< div class = "line" > < a id = "l00650" name = "l00650" > < / a > < span class = "lineno" > 650< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > len = constraint-> coefficients_.size();< / div >
< div class = "line" > < a id = "l00651" name = "l00651" > < / a > < span class = "lineno" > 651< / span > unique_ptr< int[]> rowind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [len]);< / div >
< div class = "line" > < a id = "l00652" name = "l00652" > < / a > < span class = "lineno" > 652< / span > unique_ptr< int[]> colind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [len]);< / div >
< div class = "line" > < a id = "l00653" name = "l00653" > < / a > < span class = "lineno" > 653< / span > unique_ptr< double[]> val(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [len]);< / div >
< div class = "line" > < a id = "l00654" name = "l00654" > < / a > < span class = "lineno" > 654< / span > < span class = "keywordtype" > int< / span > j = 0;< / div >
< div class = "line" > < a id = "l00655" name = "l00655" > < / a > < span class = "lineno" > 655< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = constraint-> coefficients_;< / div >
< div class = "line" > < a id = "l00656" name = "l00656" > < / a > < span class = "lineno" > 656< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l00657" name = "l00657" > < / a > < span class = "lineno" > 657< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = it-> first-> index();< / div >
< div class = "line" > < a id = "l00658" name = "l00658" > < / a > < span class = "lineno" > 658< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a id = "l00659" name = "l00659" > < / a > < span class = "lineno" > 659< / span > rowind[j] = < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ;< / div >
< div class = "line" > < a id = "l00660" name = "l00660" > < / a > < span class = "lineno" > 660< / span > colind[j] = < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ;< / div >
< div class = "line" > < a id = "l00661" name = "l00661" > < / a > < span class = "lineno" > 661< / span > val[j] = 0.0;< / div >
< div class = "line" > < a id = "l00662" name = "l00662" > < / a > < span class = "lineno" > 662< / span > ++j;< / div >
< div class = "line" > < a id = "l00663" name = "l00663" > < / a > < span class = "lineno" > 663< / span > }< / div >
< div class = "line" > < a id = "l00664" name = "l00664" > < / a > < span class = "lineno" > 664< / span > }< / div >
< div class = "line" > < a id = "l00665" name = "l00665" > < / a > < span class = "lineno" > 665< / span > < span class = "keywordflow" > if< / span > (j)< / div >
< div class = "line" > < a id = "l00666" name = "l00666" > < / a > < span class = "lineno" > 666< / span > CHECK_STATUS(XPRSchgmcoef(mLp, j, rowind.get(), colind.get(), val.get()));< / div >
< div class = "line" > < a id = "l00667" name = "l00667" > < / a > < span class = "lineno" > 667< / span > }< / div >
< div class = "line" > < a id = "l00668" name = "l00668" > < / a > < span class = "lineno" > 668< / span > }< / div >
< div class = "line" > < a id = "l00669" name = "l00669" > < / a > < span class = "lineno" > 669< / span > < / div >
< div class = "line" > < a id = "l00670" name = "l00670" > < / a > < span class = "lineno" > 670< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetObjectiveCoefficient(MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
< div class = "line" > < a id = "l00671" name = "l00671" > < / a > < span class = "lineno" > 671< / span > < span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > ) {< / div >
< div class = "line" > < a id = "l00672" name = "l00672" > < / a > < span class = "lineno" > 672< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = variable-> index();< / div >
< div class = "line" > < a id = "l00673" name = "l00673" > < / a > < span class = "lineno" > 673< / span > < span class = "keywordflow" > if< / span > (!variable_is_extracted(< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ))< / div >
< div class = "line" > < a id = "l00674" name = "l00674" > < / a > < span class = "lineno" > 674< / span > < span class = "comment" > // Nothing to do if variable was not even extracted< / span > < / div >
< div class = "line" > < a id = "l00675" name = "l00675" > < / a > < span class = "lineno" > 675< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l00676" name = "l00676" > < / a > < span class = "lineno" > 676< / span > < / div >
< div class = "line" > < a id = "l00677" name = "l00677" > < / a > < span class = "lineno" > 677< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00678" name = "l00678" > < / a > < span class = "lineno" > 678< / span > < / div >
< div class = "line" > < a id = "l00679" name = "l00679" > < / a > < span class = "lineno" > 679< / span > < span class = "comment" > // The objective function is stored as a dense vector, so updating a< / span > < / div >
< div class = "line" > < a id = "l00680" name = "l00680" > < / a > < span class = "lineno" > 680< / span > < span class = "comment" > // single coefficient is O(1). So by default we update the low-level< / span > < / div >
< div class = "line" > < a id = "l00681" name = "l00681" > < / a > < span class = "lineno" > 681< / span > < span class = "comment" > // modeling object here.< / span > < / div >
< div class = "line" > < a id = "l00682" name = "l00682" > < / a > < span class = "lineno" > 682< / span > < span class = "comment" > // If we support incremental extraction then we have no choice but to< / span > < / div >
< div class = "line" > < a id = "l00683" name = "l00683" > < / a > < span class = "lineno" > 683< / span > < span class = "comment" > // perform the update immediately.< / span > < / div >
< div class = "line" > < a id = "l00684" name = "l00684" > < / a > < span class = "lineno" > 684< / span > < / div >
< div class = "line" > < a id = "l00685" name = "l00685" > < / a > < span class = "lineno" > 685< / span > < span class = "keywordflow" > if< / span > (supportIncrementalExtraction ||< / div >
< div class = "line" > < a id = "l00686" name = "l00686" > < / a > < span class = "lineno" > 686< / span > (slowUpdates & SlowSetObjectiveCoefficient)) {< / div >
< div class = "line" > < a id = "l00687" name = "l00687" > < / a > < span class = "lineno" > 687< / span > CHECK_STATUS(XPRSchgobj(mLp, 1, & < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , & < a class = "code hl_variable" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > ));< / div >
< div class = "line" > < a id = "l00688" name = "l00688" > < / a > < span class = "lineno" > 688< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00689" name = "l00689" > < / a > < span class = "lineno" > 689< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00690" name = "l00690" > < / a > < span class = "lineno" > 690< / span > }< / div >
< div class = "line" > < a id = "l00691" name = "l00691" > < / a > < span class = "lineno" > 691< / span > }< / div >
< div class = "line" > < a id = "l00692" name = "l00692" > < / a > < span class = "lineno" > 692< / span > < / div >
< div class = "line" > < a id = "l00693" name = "l00693" > < / a > < span class = "lineno" > 693< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetObjectiveOffset(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l00694" name = "l00694" > < / a > < span class = "lineno" > 694< / span > < span class = "comment" > // Changing the objective offset is O(1), so we always do it immediately.< / span > < / div >
< div class = "line" > < a id = "l00695" name = "l00695" > < / a > < span class = "lineno" > 695< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00696" name = "l00696" > < / a > < span class = "lineno" > 696< / span > CHECK_STATUS(XPRSsetobjoffset(mLp, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l00697" name = "l00697" > < / a > < span class = "lineno" > 697< / span > }< / div >
< div class = "line" > < a id = "l00698" name = "l00698" > < / a > < span class = "lineno" > 698< / span > < / div >
< div class = "line" > < a id = "l00699" name = "l00699" > < / a > < span class = "lineno" > 699< / span > < span class = "keywordtype" > void< / span > XpressInterface::ClearObjective() {< / div >
< div class = "line" > < a id = "l00700" name = "l00700" > < / a > < span class = "lineno" > 700< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00701" name = "l00701" > < / a > < span class = "lineno" > 701< / span > < / div >
< div class = "line" > < a id = "l00702" name = "l00702" > < / a > < span class = "lineno" > 702< / span > < span class = "comment" > // Since the objective function is stored as a dense vector updating< / span > < / div >
< div class = "line" > < a id = "l00703" name = "l00703" > < / a > < span class = "lineno" > 703< / span > < span class = "comment" > // it is O(n), so we usually perform the update immediately.< / span > < / div >
< div class = "line" > < a id = "l00704" name = "l00704" > < / a > < span class = "lineno" > 704< / span > < span class = "comment" > // If we want to support incremental extraction then we have no choice< / span > < / div >
< div class = "line" > < a id = "l00705" name = "l00705" > < / a > < span class = "lineno" > 705< / span > < span class = "comment" > // but to perform the update immediately.< / span > < / div >
< div class = "line" > < a id = "l00706" name = "l00706" > < / a > < span class = "lineno" > 706< / span > < / div >
< div class = "line" > < a id = "l00707" name = "l00707" > < / a > < span class = "lineno" > 707< / span > < span class = "keywordflow" > if< / span > (supportIncrementalExtraction || (slowUpdates & SlowClearObjective)) {< / div >
< div class = "line" > < a id = "l00708" name = "l00708" > < / a > < span class = "lineno" > 708< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l00709" name = "l00709" > < / a > < span class = "lineno" > 709< / span > unique_ptr< int[]> ind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [cols]);< / div >
< div class = "line" > < a id = "l00710" name = "l00710" > < / a > < span class = "lineno" > 710< / span > unique_ptr< double[]> zero(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l00711" name = "l00711" > < / a > < span class = "lineno" > 711< / span > < span class = "keywordtype" > int< / span > j = 0;< / div >
< div class = "line" > < a id = "l00712" name = "l00712" > < / a > < span class = "lineno" > 712< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = solver_-> objective_-> coefficients_;< / div >
< div class = "line" > < a id = "l00713" name = "l00713" > < / a > < span class = "lineno" > 713< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l00714" name = "l00714" > < / a > < span class = "lineno" > 714< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a id = "l00715" name = "l00715" > < / a > < span class = "lineno" > 715< / span > < span class = "comment" > // We only need to reset variables that have been extracted.< / span > < / div >
< div class = "line" > < a id = "l00716" name = "l00716" > < / a > < span class = "lineno" > 716< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a id = "l00717" name = "l00717" > < / a > < span class = "lineno" > 717< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a id = "l00718" name = "l00718" > < / a > < span class = "lineno" > 718< / span > ind[j] = idx;< / div >
< div class = "line" > < a id = "l00719" name = "l00719" > < / a > < span class = "lineno" > 719< / span > zero[j] = 0.0;< / div >
< div class = "line" > < a id = "l00720" name = "l00720" > < / a > < span class = "lineno" > 720< / span > ++j;< / div >
< div class = "line" > < a id = "l00721" name = "l00721" > < / a > < span class = "lineno" > 721< / span > }< / div >
< div class = "line" > < a id = "l00722" name = "l00722" > < / a > < span class = "lineno" > 722< / span > }< / div >
< div class = "line" > < a id = "l00723" name = "l00723" > < / a > < span class = "lineno" > 723< / span > < span class = "keywordflow" > if< / span > (j > 0) CHECK_STATUS(XPRSchgobj(mLp, j, ind.get(), zero.get()));< / div >
< div class = "line" > < a id = "l00724" name = "l00724" > < / a > < span class = "lineno" > 724< / span > CHECK_STATUS(XPRSsetobjoffset(mLp, 0.0));< / div >
< div class = "line" > < a id = "l00725" name = "l00725" > < / a > < span class = "lineno" > 725< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00726" name = "l00726" > < / a > < span class = "lineno" > 726< / span > InvalidateModelSynchronization();< / div >
< div class = "line" > < a id = "l00727" name = "l00727" > < / a > < span class = "lineno" > 727< / span > }< / div >
< div class = "line" > < a id = "l00728" name = "l00728" > < / a > < span class = "lineno" > 728< / span > }< / div >
< div class = "line" > < a id = "l00729" name = "l00729" > < / a > < span class = "lineno" > 729< / span > < / div >
< div class = "line" > < a id = "l00730" name = "l00730" > < / a > < span class = "lineno" > 730< / span > < span class = "comment" > // ------ Query statistics on the solution and the solve ------< / span > < / div >
< div class = "line" > < a id = "l00731" name = "l00731" > < / a > < span class = "lineno" > 731< / span > < / div >
< div class = "line" > < a id = "l00732" name = "l00732" > < / a > < span class = "lineno" > 732< / span > int64_t XpressInterface::iterations()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00733" name = "l00733" > < / a > < span class = "lineno" > 733< / span > < span class = "keywordflow" > if< / span > (!CheckSolutionIsSynchronized()) < span class = "keywordflow" > return< / span > kUnknownNumberOfIterations;< / div >
< div class = "line" > < a id = "l00734" name = "l00734" > < / a > < span class = "lineno" > 734< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (XPRSgetitcnt(mLp));< / div >
< div class = "line" > < a id = "l00735" name = "l00735" > < / a > < span class = "lineno" > 735< / span > }< / div >
< div class = "line" > < a id = "l00736" name = "l00736" > < / a > < span class = "lineno" > 736< / span > < / div >
< div class = "line" > < a id = "l00737" name = "l00737" > < / a > < span class = "lineno" > 737< / span > int64_t < a class = "code hl_variable" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > XpressInterface::nodes< / a > ()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00738" name = "l00738" > < / a > < span class = "lineno" > 738< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l00739" name = "l00739" > < / a > < span class = "lineno" > 739< / span > < span class = "keywordflow" > if< / span > (!CheckSolutionIsSynchronized()) < span class = "keywordflow" > return< / span > kUnknownNumberOfNodes;< / div >
< div class = "line" > < a id = "l00740" name = "l00740" > < / a > < span class = "lineno" > 740< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (XPRSgetnodecnt(mLp));< / div >
< div class = "line" > < a id = "l00741" name = "l00741" > < / a > < span class = "lineno" > 741< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00742" name = "l00742" > < / a > < span class = "lineno" > 742< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " Number of nodes only available for discrete problems" < / span > ;< / div >
< div class = "line" > < a id = "l00743" name = "l00743" > < / a > < span class = "lineno" > 743< / span > < span class = "keywordflow" > return< / span > kUnknownNumberOfNodes;< / div >
< div class = "line" > < a id = "l00744" name = "l00744" > < / a > < span class = "lineno" > 744< / span > }< / div >
< div class = "line" > < a id = "l00745" name = "l00745" > < / a > < span class = "lineno" > 745< / span > }< / div >
< div class = "line" > < a id = "l00746" name = "l00746" > < / a > < span class = "lineno" > 746< / span > < / div >
< div class = "line" > < a id = "l00747" name = "l00747" > < / a > < span class = "lineno" > 747< / span > < span class = "comment" > // Transform a XPRESS basis status to an MPSolver basis status.< / span > < / div >
< div class = "line" > < a id = "l00748" name = "l00748" > < / a > < span class = "lineno" > 748< / span > < a class = "code hl_enumeration" href = "namespaceoperations__research_1_1math__opt.html#a5c12f31ca91b1412d51fd5fa6f82e684" > MPSolver::BasisStatus< / a > XpressInterface::xformBasisStatus(< / div >
< div class = "line" > < a id = "l00749" name = "l00749" > < / a > < span class = "lineno" > 749< / span > < span class = "keywordtype" > int< / span > xpress_basis_status) {< / div >
< div class = "line" > < a id = "l00750" name = "l00750" > < / a > < span class = "lineno" > 750< / span > < span class = "keywordflow" > switch< / span > (xpress_basis_status) {< / div >
< div class = "line" > < a id = "l00751" name = "l00751" > < / a > < span class = "lineno" > 751< / span > < span class = "keywordflow" > case< / span > XPRS_AT_LOWER:< / div >
< div class = "line" > < a id = "l00752" name = "l00752" > < / a > < span class = "lineno" > 752< / span > < span class = "keywordflow" > return< / span > MPSolver::AT_LOWER_BOUND;< / div >
< div class = "line" > < a id = "l00753" name = "l00753" > < / a > < span class = "lineno" > 753< / span > < span class = "keywordflow" > case< / span > XPRS_BASIC:< / div >
< div class = "line" > < a id = "l00754" name = "l00754" > < / a > < span class = "lineno" > 754< / span > < span class = "keywordflow" > return< / span > MPSolver::BASIC;< / div >
< div class = "line" > < a id = "l00755" name = "l00755" > < / a > < span class = "lineno" > 755< / span > < span class = "keywordflow" > case< / span > XPRS_AT_UPPER:< / div >
< div class = "line" > < a id = "l00756" name = "l00756" > < / a > < span class = "lineno" > 756< / span > < span class = "keywordflow" > return< / span > MPSolver::AT_UPPER_BOUND;< / div >
< div class = "line" > < a id = "l00757" name = "l00757" > < / a > < span class = "lineno" > 757< / span > < span class = "keywordflow" > case< / span > XPRS_FREE_SUPER:< / div >
< div class = "line" > < a id = "l00758" name = "l00758" > < / a > < span class = "lineno" > 758< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00759" name = "l00759" > < / a > < span class = "lineno" > 759< / span > < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a id = "l00760" name = "l00760" > < / a > < span class = "lineno" > 760< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " Unknown XPRESS basis status" < / span > ;< / div >
< div class = "line" > < a id = "l00761" name = "l00761" > < / a > < span class = "lineno" > 761< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00762" name = "l00762" > < / a > < span class = "lineno" > 762< / span > }< / div >
< div class = "line" > < a id = "l00763" name = "l00763" > < / a > < span class = "lineno" > 763< / span > }< / div >
< div class = "line" > < a id = "l00764" name = "l00764" > < / a > < span class = "lineno" > 764< / span > < / div >
< div class = "line" > < a id = "l00765" name = "l00765" > < / a > < span class = "lineno" > 765< / span > < span class = "comment" > // Returns the basis status of a row.< / span > < / div >
< div class = "line" > < a id = "l00766" name = "l00766" > < / a > < span class = "lineno" > 766< / span > < a class = "code hl_enumeration" href = "namespaceoperations__research_1_1math__opt.html#a5c12f31ca91b1412d51fd5fa6f82e684" > MPSolver::BasisStatus< / a > XpressInterface::row_status(< span class = "keywordtype" > int< / span > constraint_index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00767" name = "l00767" > < / a > < span class = "lineno" > 767< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l00768" name = "l00768" > < / a > < span class = "lineno" > 768< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Basis status only available for continuous problems" < / span > ;< / div >
< div class = "line" > < a id = "l00769" name = "l00769" > < / a > < span class = "lineno" > 769< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00770" name = "l00770" > < / a > < span class = "lineno" > 770< / span > }< / div >
< div class = "line" > < a id = "l00771" name = "l00771" > < / a > < span class = "lineno" > 771< / span > < / div >
< div class = "line" > < a id = "l00772" name = "l00772" > < / a > < span class = "lineno" > 772< / span > < span class = "keywordflow" > if< / span > (CheckSolutionIsSynchronized()) {< / div >
< div class = "line" > < a id = "l00773" name = "l00773" > < / a > < span class = "lineno" > 773< / span > < span class = "keywordflow" > if< / span > (!mRstat) {< / div >
< div class = "line" > < a id = "l00774" name = "l00774" > < / a > < span class = "lineno" > 774< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > rows = XPRSgetnumrows(mLp);< / div >
< div class = "line" > < a id = "l00775" name = "l00775" > < / a > < span class = "lineno" > 775< / span > unique_ptr< int[]> data(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [rows]);< / div >
< div class = "line" > < a id = "l00776" name = "l00776" > < / a > < span class = "lineno" > 776< / span > mRstat.swap(data);< / div >
< div class = "line" > < a id = "l00777" name = "l00777" > < / a > < span class = "lineno" > 777< / span > CHECK_STATUS(XPRSgetbasis(mLp, 0, mRstat.get()));< / div >
< div class = "line" > < a id = "l00778" name = "l00778" > < / a > < span class = "lineno" > 778< / span > }< / div >
< div class = "line" > < a id = "l00779" name = "l00779" > < / a > < span class = "lineno" > 779< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00780" name = "l00780" > < / a > < span class = "lineno" > 780< / span > mRstat = 0;< / div >
< div class = "line" > < a id = "l00781" name = "l00781" > < / a > < span class = "lineno" > 781< / span > }< / div >
< div class = "line" > < a id = "l00782" name = "l00782" > < / a > < span class = "lineno" > 782< / span > < / div >
< div class = "line" > < a id = "l00783" name = "l00783" > < / a > < span class = "lineno" > 783< / span > < span class = "keywordflow" > if< / span > (mRstat) {< / div >
< div class = "line" > < a id = "l00784" name = "l00784" > < / a > < span class = "lineno" > 784< / span > < span class = "keywordflow" > return< / span > xformBasisStatus(mRstat[constraint_index]);< / div >
< div class = "line" > < a id = "l00785" name = "l00785" > < / a > < span class = "lineno" > 785< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00786" name = "l00786" > < / a > < span class = "lineno" > 786< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Row basis status not available" < / span > ;< / div >
< div class = "line" > < a id = "l00787" name = "l00787" > < / a > < span class = "lineno" > 787< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00788" name = "l00788" > < / a > < span class = "lineno" > 788< / span > }< / div >
< div class = "line" > < a id = "l00789" name = "l00789" > < / a > < span class = "lineno" > 789< / span > }< / div >
< div class = "line" > < a id = "l00790" name = "l00790" > < / a > < span class = "lineno" > 790< / span > < / div >
< div class = "line" > < a id = "l00791" name = "l00791" > < / a > < span class = "lineno" > 791< / span > < span class = "comment" > // Returns the basis status of a column.< / span > < / div >
< div class = "line" > < a id = "l00792" name = "l00792" > < / a > < span class = "lineno" > 792< / span > < a class = "code hl_enumeration" href = "namespaceoperations__research_1_1math__opt.html#a5c12f31ca91b1412d51fd5fa6f82e684" > MPSolver::BasisStatus< / a > XpressInterface::column_status(< span class = "keywordtype" > int< / span > variable_index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00793" name = "l00793" > < / a > < span class = "lineno" > 793< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l00794" name = "l00794" > < / a > < span class = "lineno" > 794< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Basis status only available for continuous problems" < / span > ;< / div >
< div class = "line" > < a id = "l00795" name = "l00795" > < / a > < span class = "lineno" > 795< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00796" name = "l00796" > < / a > < span class = "lineno" > 796< / span > }< / div >
< div class = "line" > < a id = "l00797" name = "l00797" > < / a > < span class = "lineno" > 797< / span > < / div >
< div class = "line" > < a id = "l00798" name = "l00798" > < / a > < span class = "lineno" > 798< / span > < span class = "keywordflow" > if< / span > (CheckSolutionIsSynchronized()) {< / div >
< div class = "line" > < a id = "l00799" name = "l00799" > < / a > < span class = "lineno" > 799< / span > < span class = "keywordflow" > if< / span > (!mCstat) {< / div >
< div class = "line" > < a id = "l00800" name = "l00800" > < / a > < span class = "lineno" > 800< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l00801" name = "l00801" > < / a > < span class = "lineno" > 801< / span > unique_ptr< int[]> data(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [cols]);< / div >
< div class = "line" > < a id = "l00802" name = "l00802" > < / a > < span class = "lineno" > 802< / span > mCstat.swap(data);< / div >
< div class = "line" > < a id = "l00803" name = "l00803" > < / a > < span class = "lineno" > 803< / span > CHECK_STATUS(XPRSgetbasis(mLp, mCstat.get(), 0));< / div >
< div class = "line" > < a id = "l00804" name = "l00804" > < / a > < span class = "lineno" > 804< / span > }< / div >
< div class = "line" > < a id = "l00805" name = "l00805" > < / a > < span class = "lineno" > 805< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00806" name = "l00806" > < / a > < span class = "lineno" > 806< / span > mCstat = 0;< / div >
< div class = "line" > < a id = "l00807" name = "l00807" > < / a > < span class = "lineno" > 807< / span > }< / div >
< div class = "line" > < a id = "l00808" name = "l00808" > < / a > < span class = "lineno" > 808< / span > < / div >
< div class = "line" > < a id = "l00809" name = "l00809" > < / a > < span class = "lineno" > 809< / span > < span class = "keywordflow" > if< / span > (mCstat) {< / div >
< div class = "line" > < a id = "l00810" name = "l00810" > < / a > < span class = "lineno" > 810< / span > < span class = "keywordflow" > return< / span > xformBasisStatus(mCstat[variable_index]);< / div >
< div class = "line" > < a id = "l00811" name = "l00811" > < / a > < span class = "lineno" > 811< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00812" name = "l00812" > < / a > < span class = "lineno" > 812< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Column basis status not available" < / span > ;< / div >
< div class = "line" > < a id = "l00813" name = "l00813" > < / a > < span class = "lineno" > 813< / span > < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
< div class = "line" > < a id = "l00814" name = "l00814" > < / a > < span class = "lineno" > 814< / span > }< / div >
< div class = "line" > < a id = "l00815" name = "l00815" > < / a > < span class = "lineno" > 815< / span > }< / div >
< div class = "line" > < a id = "l00816" name = "l00816" > < / a > < span class = "lineno" > 816< / span > < / div >
< div class = "line" > < a id = "l00817" name = "l00817" > < / a > < span class = "lineno" > 817< / span > < span class = "comment" > // Extract all variables that have not yet been extracted.< / span > < / div >
< div class = "line" > < a id = "l00818" name = "l00818" > < / a > < span class = "lineno" > 818< / span > < span class = "keywordtype" > void< / span > XpressInterface::ExtractNewVariables() {< / div >
< div class = "line" > < a id = "l00819" name = "l00819" > < / a > < span class = "lineno" > 819< / span > < span class = "comment" > // NOTE: The code assumes that a linear expression can never contain< / span > < / div >
< div class = "line" > < a id = "l00820" name = "l00820" > < / a > < span class = "lineno" > 820< / span > < span class = "comment" > // non-zero duplicates.< / span > < / div >
< div class = "line" > < a id = "l00821" name = "l00821" > < / a > < span class = "lineno" > 821< / span > < / div >
< div class = "line" > < a id = "l00822" name = "l00822" > < / a > < span class = "lineno" > 822< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l00823" name = "l00823" > < / a > < span class = "lineno" > 823< / span > < / div >
< div class = "line" > < a id = "l00824" name = "l00824" > < / a > < span class = "lineno" > 824< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction) {< / div >
< div class = "line" > < a id = "l00825" name = "l00825" > < / a > < span class = "lineno" > 825< / span > < span class = "comment" > // Without incremental extraction ExtractModel() is always called< / span > < / div >
< div class = "line" > < a id = "l00826" name = "l00826" > < / a > < span class = "lineno" > 826< / span > < span class = "comment" > // to extract the full model.< / span > < / div >
< div class = "line" > < a id = "l00827" name = "l00827" > < / a > < span class = "lineno" > 827< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_variable_index_ == 0 ||< / div >
< div class = "line" > < a id = "l00828" name = "l00828" > < / a > < span class = "lineno" > 828< / span > last_variable_index_ == solver_-> variables_.size());< / div >
< div class = "line" > < a id = "l00829" name = "l00829" > < / a > < span class = "lineno" > 829< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_constraint_index_ == 0 ||< / div >
< div class = "line" > < a id = "l00830" name = "l00830" > < / a > < span class = "lineno" > 830< / span > last_constraint_index_ == solver_-> constraints_.size());< / div >
< div class = "line" > < a id = "l00831" name = "l00831" > < / a > < span class = "lineno" > 831< / span > }< / div >
< div class = "line" > < a id = "l00832" name = "l00832" > < / a > < span class = "lineno" > 832< / span > < / div >
< div class = "line" > < a id = "l00833" name = "l00833" > < / a > < span class = "lineno" > 833< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > last_extracted = last_variable_index_;< / div >
< div class = "line" > < a id = "l00834" name = "l00834" > < / a > < span class = "lineno" > 834< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > var_count = solver_-> variables_.size();< / div >
< div class = "line" > < a id = "l00835" name = "l00835" > < / a > < span class = "lineno" > 835< / span > < span class = "keywordtype" > int< / span > newcols = var_count - last_extracted;< / div >
< div class = "line" > < a id = "l00836" name = "l00836" > < / a > < span class = "lineno" > 836< / span > < span class = "keywordflow" > if< / span > (newcols > 0) {< / div >
< div class = "line" > < a id = "l00837" name = "l00837" > < / a > < span class = "lineno" > 837< / span > < span class = "comment" > // There are non-extracted variables. Extract them now.< / span > < / div >
< div class = "line" > < a id = "l00838" name = "l00838" > < / a > < span class = "lineno" > 838< / span > < / div >
< div class = "line" > < a id = "l00839" name = "l00839" > < / a > < span class = "lineno" > 839< / span > unique_ptr< double[]> obj(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00840" name = "l00840" > < / a > < span class = "lineno" > 840< / span > unique_ptr< double[]> lb(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00841" name = "l00841" > < / a > < span class = "lineno" > 841< / span > unique_ptr< double[]> ub(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00842" name = "l00842" > < / a > < span class = "lineno" > 842< / span > unique_ptr< char[]> ctype(< span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00843" name = "l00843" > < / a > < span class = "lineno" > 843< / span > unique_ptr< const char*[]> colname(< span class = "keyword" > new< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *[newcols]);< / div >
< div class = "line" > < a id = "l00844" name = "l00844" > < / a > < span class = "lineno" > 844< / span > < / div >
< div class = "line" > < a id = "l00845" name = "l00845" > < / a > < span class = "lineno" > 845< / span > < span class = "keywordtype" > bool< / span > have_names = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00846" name = "l00846" > < / a > < span class = "lineno" > 846< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0, varidx = last_extracted; j < newcols; ++j, ++varidx) {< / div >
< div class = "line" > < a id = "l00847" name = "l00847" > < / a > < span class = "lineno" > 847< / span > MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[varidx];< / div >
< div class = "line" > < a id = "l00848" name = "l00848" > < / a > < span class = "lineno" > 848< / span > lb[j] = < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> lb();< / div >
< div class = "line" > < a id = "l00849" name = "l00849" > < / a > < span class = "lineno" > 849< / span > ub[j] = < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> ub();< / div >
< div class = "line" > < a id = "l00850" name = "l00850" > < / a > < span class = "lineno" > 850< / span > ctype[j] = < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> integer() ? XPRS_INTEGER : XPRS_CONTINUOUS;< / div >
< div class = "line" > < a id = "l00851" name = "l00851" > < / a > < span class = "lineno" > 851< / span > colname[j] = < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().empty() ? 0 : < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().c_str();< / div >
< div class = "line" > < a id = "l00852" name = "l00852" > < / a > < span class = "lineno" > 852< / span > have_names = have_names || < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().empty();< / div >
< div class = "line" > < a id = "l00853" name = "l00853" > < / a > < span class = "lineno" > 853< / span > obj[j] = solver_-> objective_-> GetCoefficient(< a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a id = "l00854" name = "l00854" > < / a > < span class = "lineno" > 854< / span > }< / div >
< div class = "line" > < a id = "l00855" name = "l00855" > < / a > < span class = "lineno" > 855< / span > < / div >
< div class = "line" > < a id = "l00856" name = "l00856" > < / a > < span class = "lineno" > 856< / span > < span class = "comment" > // Arrays for modifying the problem are setup. Update the index< / span > < / div >
< div class = "line" > < a id = "l00857" name = "l00857" > < / a > < span class = "lineno" > 857< / span > < span class = "comment" > // of variables that will get extracted now. Updating indices< / span > < / div >
< div class = "line" > < a id = "l00858" name = "l00858" > < / a > < span class = "lineno" > 858< / span > < span class = "comment" > // _before_ the actual extraction makes things much simpler in< / span > < / div >
< div class = "line" > < a id = "l00859" name = "l00859" > < / a > < span class = "lineno" > 859< / span > < span class = "comment" > // case we support incremental extraction.< / span > < / div >
< div class = "line" > < a id = "l00860" name = "l00860" > < / a > < span class = "lineno" > 860< / span > < span class = "comment" > // In case of error we just reset the indices.< / span > < / div >
< div class = "line" > < a id = "l00861" name = "l00861" > < / a > < span class = "lineno" > 861< / span > std::vector< MPVariable*> < span class = "keyword" > const< / span > & variables = solver_-> variables();< / div >
< div class = "line" > < a id = "l00862" name = "l00862" > < / a > < span class = "lineno" > 862< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < var_count; ++j) {< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00863" name = "l00863" > < / a > < span class = "lineno" > 863< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!variable_is_extracted(variables[j]-> < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ()));< / div >
< div class = "line" > < a id = "l00864" name = "l00864" > < / a > < span class = "lineno" > 864< / span > set_variable_as_extracted(variables[j]-> < a class = "code hl_variable" href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > (), < span class = "keyword" > true< / span > );< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00865" name = "l00865" > < / a > < span class = "lineno" > 865< / span > }< / div >
< div class = "line" > < a id = "l00866" name = "l00866" > < / a > < span class = "lineno" > 866< / span > < / div >
< div class = "line" > < a id = "l00867" name = "l00867" > < / a > < span class = "lineno" > 867< / span > < span class = "keywordflow" > try< / span > {< / div >
< div class = "line" > < a id = "l00868" name = "l00868" > < / a > < span class = "lineno" > 868< / span > < span class = "keywordtype" > bool< / span > use_newcols = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00869" name = "l00869" > < / a > < span class = "lineno" > 869< / span > < / div >
< div class = "line" > < a id = "l00870" name = "l00870" > < / a > < span class = "lineno" > 870< / span > < span class = "keywordflow" > if< / span > (supportIncrementalExtraction) {< / div >
< div class = "line" > < a id = "l00871" name = "l00871" > < / a > < span class = "lineno" > 871< / span > < span class = "comment" > // If we support incremental extraction then we must< / span > < / div >
< div class = "line" > < a id = "l00872" name = "l00872" > < / a > < span class = "lineno" > 872< / span > < span class = "comment" > // update existing constraints with the new variables.< / span > < / div >
< div class = "line" > < a id = "l00873" name = "l00873" > < / a > < span class = "lineno" > 873< / span > < span class = "comment" > // To do that we use XPRSaddcols() to actually create the< / span > < / div >
< div class = "line" > < a id = "l00874" name = "l00874" > < / a > < span class = "lineno" > 874< / span > < span class = "comment" > // variables. This is supposed to be faster than combining< / span > < / div >
< div class = "line" > < a id = "l00875" name = "l00875" > < / a > < span class = "lineno" > 875< / span > < span class = "comment" > // XPRSnewcols() and XPRSchgcoeflist().< / span > < / div >
< div class = "line" > < a id = "l00876" name = "l00876" > < / a > < span class = "lineno" > 876< / span > < / div >
< div class = "line" > < a id = "l00877" name = "l00877" > < / a > < span class = "lineno" > 877< / span > < span class = "comment" > // For each column count the size of the intersection with< / span > < / div >
< div class = "line" > < a id = "l00878" name = "l00878" > < / a > < span class = "lineno" > 878< / span > < span class = "comment" > // existing constraints.< / span > < / div >
< div class = "line" > < a id = "l00879" name = "l00879" > < / a > < span class = "lineno" > 879< / span > unique_ptr< int[]> collen(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00880" name = "l00880" > < / a > < span class = "lineno" > 880< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < newcols; ++j) collen[j] = 0;< / div >
< div class = "line" > < a id = "l00881" name = "l00881" > < / a > < span class = "lineno" > 881< / span > < span class = "keywordtype" > int< / span > nonzeros = 0;< / div >
< div class = "line" > < a id = "l00882" name = "l00882" > < / a > < span class = "lineno" > 882< / span > < span class = "comment" > // TODO: Use a bitarray to flag the constraints that actually< / span > < / div >
< div class = "line" > < a id = "l00883" name = "l00883" > < / a > < span class = "lineno" > 883< / span > < span class = "comment" > // intersect new variables?< / span > < / div >
< div class = "line" > < a id = "l00884" name = "l00884" > < / a > < span class = "lineno" > 884< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < last_constraint_index_; ++i) {< / div >
< div class = "line" > < a id = "l00885" name = "l00885" > < / a > < span class = "lineno" > 885< / span > MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a id = "l00886" name = "l00886" > < / a > < span class = "lineno" > 886< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (constraint_is_extracted(< a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index()));< / div >
< div class = "line" > < a id = "l00887" name = "l00887" > < / a > < span class = "lineno" > 887< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a id = "l00888" name = "l00888" > < / a > < span class = "lineno" > 888< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l00889" name = "l00889" > < / a > < span class = "lineno" > 889< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a id = "l00890" name = "l00890" > < / a > < span class = "lineno" > 890< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(idx) & & idx > last_variable_index_) {< / div >
< div class = "line" > < a id = "l00891" name = "l00891" > < / a > < span class = "lineno" > 891< / span > collen[idx - last_variable_index_]++;< / div >
< div class = "line" > < a id = "l00892" name = "l00892" > < / a > < span class = "lineno" > 892< / span > ++nonzeros;< / div >
< div class = "line" > < a id = "l00893" name = "l00893" > < / a > < span class = "lineno" > 893< / span > }< / div >
< div class = "line" > < a id = "l00894" name = "l00894" > < / a > < span class = "lineno" > 894< / span > }< / div >
< div class = "line" > < a id = "l00895" name = "l00895" > < / a > < span class = "lineno" > 895< / span > }< / div >
< div class = "line" > < a id = "l00896" name = "l00896" > < / a > < span class = "lineno" > 896< / span > < / div >
< div class = "line" > < a id = "l00897" name = "l00897" > < / a > < span class = "lineno" > 897< / span > < span class = "keywordflow" > if< / span > (nonzeros > 0) {< / div >
< div class = "line" > < a id = "l00898" name = "l00898" > < / a > < span class = "lineno" > 898< / span > < span class = "comment" > // At least one of the new variables did intersect with an< / span > < / div >
< div class = "line" > < a id = "l00899" name = "l00899" > < / a > < span class = "lineno" > 899< / span > < span class = "comment" > // old constraint. We have to create the new columns via< / span > < / div >
< div class = "line" > < a id = "l00900" name = "l00900" > < / a > < span class = "lineno" > 900< / span > < span class = "comment" > // XPRSaddcols().< / span > < / div >
< div class = "line" > < a id = "l00901" name = "l00901" > < / a > < span class = "lineno" > 901< / span > use_newcols = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l00902" name = "l00902" > < / a > < span class = "lineno" > 902< / span > unique_ptr< int[]> begin(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [newcols + 2]);< / div >
< div class = "line" > < a id = "l00903" name = "l00903" > < / a > < span class = "lineno" > 903< / span > unique_ptr< int[]> cmatind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [nonzeros]);< / div >
< div class = "line" > < a id = "l00904" name = "l00904" > < / a > < span class = "lineno" > 904< / span > unique_ptr< double[]> cmatval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [nonzeros]);< / div >
< div class = "line" > < a id = "l00905" name = "l00905" > < / a > < span class = "lineno" > 905< / span > < / div >
< div class = "line" > < a id = "l00906" name = "l00906" > < / a > < span class = "lineno" > 906< / span > < span class = "comment" > // Here is how cmatbeg[] is setup:< / span > < / div >
< div class = "line" > < a id = "l00907" name = "l00907" > < / a > < span class = "lineno" > 907< / span > < span class = "comment" > // - it is initialized as< / span > < / div >
< div class = "line" > < a id = "l00908" name = "l00908" > < / a > < span class = "lineno" > 908< / span > < span class = "comment" > // [ 0, 0, collen[0], collen[0]+collen[1], ... ]< / span > < / div >
< div class = "line" > < a id = "l00909" name = "l00909" > < / a > < span class = "lineno" > 909< / span > < span class = "comment" > // so that cmatbeg[j+1] tells us where in cmatind[] and< / span > < / div >
< div class = "line" > < a id = "l00910" name = "l00910" > < / a > < span class = "lineno" > 910< / span > < span class = "comment" > // cmatval[] we need to put the next nonzero for column< / span > < / div >
< div class = "line" > < a id = "l00911" name = "l00911" > < / a > < span class = "lineno" > 911< / span > < span class = "comment" > // j< / span > < / div >
< div class = "line" > < a id = "l00912" name = "l00912" > < / a > < span class = "lineno" > 912< / span > < span class = "comment" > // - after nonzeros have been setup the array looks like< / span > < / div >
< div class = "line" > < a id = "l00913" name = "l00913" > < / a > < span class = "lineno" > 913< / span > < span class = "comment" > // [ 0, collen[0], collen[0]+collen[1], ... ]< / span > < / div >
< div class = "line" > < a id = "l00914" name = "l00914" > < / a > < span class = "lineno" > 914< / span > < span class = "comment" > // so that it is the correct input argument for XPRSaddcols< / span > < / div >
< div class = "line" > < a id = "l00915" name = "l00915" > < / a > < span class = "lineno" > 915< / span > < span class = "keywordtype" > int< / span > * cmatbeg = begin.get();< / div >
< div class = "line" > < a id = "l00916" name = "l00916" > < / a > < span class = "lineno" > 916< / span > cmatbeg[0] = 0;< / div >
< div class = "line" > < a id = "l00917" name = "l00917" > < / a > < span class = "lineno" > 917< / span > cmatbeg[1] = 0;< / div >
< div class = "line" > < a id = "l00918" name = "l00918" > < / a > < span class = "lineno" > 918< / span > ++cmatbeg;< / div >
< div class = "line" > < a id = "l00919" name = "l00919" > < / a > < span class = "lineno" > 919< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < newcols; ++j)< / div >
< div class = "line" > < a id = "l00920" name = "l00920" > < / a > < span class = "lineno" > 920< / span > cmatbeg[j + 1] = cmatbeg[j] + collen[j];< / div >
< div class = "line" > < a id = "l00921" name = "l00921" > < / a > < span class = "lineno" > 921< / span > < / div >
< div class = "line" > < a id = "l00922" name = "l00922" > < / a > < span class = "lineno" > 922< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < last_constraint_index_; ++i) {< / div >
< div class = "line" > < a id = "l00923" name = "l00923" > < / a > < span class = "lineno" > 923< / span > MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a id = "l00924" name = "l00924" > < / a > < span class = "lineno" > 924< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index();< / div >
< div class = "line" > < a id = "l00925" name = "l00925" > < / a > < span class = "lineno" > 925< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a id = "l00926" name = "l00926" > < / a > < span class = "lineno" > 926< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l00927" name = "l00927" > < / a > < span class = "lineno" > 927< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a id = "l00928" name = "l00928" > < / a > < span class = "lineno" > 928< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(idx) & & idx > last_variable_index_) {< / div >
< div class = "line" > < a id = "l00929" name = "l00929" > < / a > < span class = "lineno" > 929< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > nz = cmatbeg[idx]++;< / div >
< div class = "line" > < a id = "l00930" name = "l00930" > < / a > < span class = "lineno" > 930< / span > cmatind[nz] = < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ;< / div >
< div class = "line" > < a id = "l00931" name = "l00931" > < / a > < span class = "lineno" > 931< / span > cmatval[nz] = it-> second;< / div >
< div class = "line" > < a id = "l00932" name = "l00932" > < / a > < span class = "lineno" > 932< / span > }< / div >
< div class = "line" > < a id = "l00933" name = "l00933" > < / a > < span class = "lineno" > 933< / span > }< / div >
< div class = "line" > < a id = "l00934" name = "l00934" > < / a > < span class = "lineno" > 934< / span > }< / div >
< div class = "line" > < a id = "l00935" name = "l00935" > < / a > < span class = "lineno" > 935< / span > --cmatbeg;< / div >
< div class = "line" > < a id = "l00936" name = "l00936" > < / a > < span class = "lineno" > 936< / span > CHECK_STATUS(XPRSaddcols(mLp, newcols, nonzeros, obj.get(), cmatbeg,< / div >
< div class = "line" > < a id = "l00937" name = "l00937" > < / a > < span class = "lineno" > 937< / span > cmatind.get(), cmatval.get(), lb.get(),< / div >
< div class = "line" > < a id = "l00938" name = "l00938" > < / a > < span class = "lineno" > 938< / span > ub.get()));< / div >
< div class = "line" > < a id = "l00939" name = "l00939" > < / a > < span class = "lineno" > 939< / span > }< / div >
< div class = "line" > < a id = "l00940" name = "l00940" > < / a > < span class = "lineno" > 940< / span > }< / div >
< div class = "line" > < a id = "l00941" name = "l00941" > < / a > < span class = "lineno" > 941< / span > < / div >
< div class = "line" > < a id = "l00942" name = "l00942" > < / a > < span class = "lineno" > 942< / span > < span class = "keywordflow" > if< / span > (use_newcols) {< / div >
< div class = "line" > < a id = "l00943" name = "l00943" > < / a > < span class = "lineno" > 943< / span > < span class = "comment" > // Either incremental extraction is not supported or none of< / span > < / div >
< div class = "line" > < a id = "l00944" name = "l00944" > < / a > < span class = "lineno" > 944< / span > < span class = "comment" > // the new variables did intersect an existing constraint.< / span > < / div >
< div class = "line" > < a id = "l00945" name = "l00945" > < / a > < span class = "lineno" > 945< / span > < span class = "comment" > // We can just use XPRSnewcols() to create the new variables.< / span > < / div >
< div class = "line" > < a id = "l00946" name = "l00946" > < / a > < span class = "lineno" > 946< / span > std::vector< int> collen(newcols, 0);< / div >
< div class = "line" > < a id = "l00947" name = "l00947" > < / a > < span class = "lineno" > 947< / span > std::vector< int> cmatbeg(newcols, 0);< / div >
< div class = "line" > < a id = "l00948" name = "l00948" > < / a > < span class = "lineno" > 948< / span > unique_ptr< int[]> cmatind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [1]);< / div >
< div class = "line" > < a id = "l00949" name = "l00949" > < / a > < span class = "lineno" > 949< / span > unique_ptr< double[]> cmatval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [1]);< / div >
< div class = "line" > < a id = "l00950" name = "l00950" > < / a > < span class = "lineno" > 950< / span > cmatind[0] = 0;< / div >
< div class = "line" > < a id = "l00951" name = "l00951" > < / a > < span class = "lineno" > 951< / span > cmatval[0] = 1.0;< / div >
< div class = "line" > < a id = "l00952" name = "l00952" > < / a > < span class = "lineno" > 952< / span > < / div >
< div class = "line" > < a id = "l00953" name = "l00953" > < / a > < span class = "lineno" > 953< / span > CHECK_STATUS(XPRSaddcols(mLp, newcols, 0, obj.get(), cmatbeg.data(),< / div >
< div class = "line" > < a id = "l00954" name = "l00954" > < / a > < span class = "lineno" > 954< / span > cmatind.get(), cmatval.get(), lb.get(),< / div >
< div class = "line" > < a id = "l00955" name = "l00955" > < / a > < span class = "lineno" > 955< / span > ub.get()));< / div >
< div class = "line" > < a id = "l00956" name = "l00956" > < / a > < span class = "lineno" > 956< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l00957" name = "l00957" > < / a > < span class = "lineno" > 957< / span > unique_ptr< int[]> ind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00958" name = "l00958" > < / a > < span class = "lineno" > 958< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < cols; ++j) ind[j] = j;< / div >
< div class = "line" > < a id = "l00959" name = "l00959" > < / a > < span class = "lineno" > 959< / span > CHECK_STATUS(< / div >
< div class = "line" > < a id = "l00960" name = "l00960" > < / a > < span class = "lineno" > 960< / span > XPRSchgcoltype(mLp, cols - last_extracted, ind.get(), ctype.get()));< / div >
< div class = "line" > < a id = "l00961" name = "l00961" > < / a > < span class = "lineno" > 961< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00962" name = "l00962" > < / a > < span class = "lineno" > 962< / span > < span class = "comment" > // Incremental extraction: we must update the ctype of the< / span > < / div >
< div class = "line" > < a id = "l00963" name = "l00963" > < / a > < span class = "lineno" > 963< / span > < span class = "comment" > // newly created variables (XPRSaddcols() does not allow< / span > < / div >
< div class = "line" > < a id = "l00964" name = "l00964" > < / a > < span class = "lineno" > 964< / span > < span class = "comment" > // specifying the ctype)< / span > < / div >
< div class = "line" > < a id = "l00965" name = "l00965" > < / a > < span class = "lineno" > 965< / span > < span class = "keywordflow" > if< / span > (mMip & & XPRSgetnumcols(mLp) > 0) {< / div >
< div class = "line" > < a id = "l00966" name = "l00966" > < / a > < span class = "lineno" > 966< / span > < span class = "comment" > // Query the actual number of columns in case we did not< / span > < / div >
< div class = "line" > < a id = "l00967" name = "l00967" > < / a > < span class = "lineno" > 967< / span > < span class = "comment" > // manage to extract all columns.< / span > < / div >
< div class = "line" > < a id = "l00968" name = "l00968" > < / a > < span class = "lineno" > 968< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l00969" name = "l00969" > < / a > < span class = "lineno" > 969< / span > unique_ptr< int[]> ind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [newcols]);< / div >
< div class = "line" > < a id = "l00970" name = "l00970" > < / a > < span class = "lineno" > 970< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < cols; ++j)< / div >
< div class = "line" > < a id = "l00971" name = "l00971" > < / a > < span class = "lineno" > 971< / span > ind[j - last_extracted] = j;< / div >
< div class = "line" > < a id = "l00972" name = "l00972" > < / a > < span class = "lineno" > 972< / span > CHECK_STATUS(XPRSchgcoltype(mLp, cols - last_extracted, ind.get(),< / div >
< div class = "line" > < a id = "l00973" name = "l00973" > < / a > < span class = "lineno" > 973< / span > ctype.get()));< / div >
< div class = "line" > < a id = "l00974" name = "l00974" > < / a > < span class = "lineno" > 974< / span > }< / div >
< div class = "line" > < a id = "l00975" name = "l00975" > < / a > < span class = "lineno" > 975< / span > }< / div >
< div class = "line" > < a id = "l00976" name = "l00976" > < / a > < span class = "lineno" > 976< / span > } < span class = "keywordflow" > catch< / span > (...) {< / div >
< div class = "line" > < a id = "l00977" name = "l00977" > < / a > < span class = "lineno" > 977< / span > < span class = "comment" > // Undo all changes in case of error.< / span > < / div >
< div class = "line" > < a id = "l00978" name = "l00978" > < / a > < span class = "lineno" > 978< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l00979" name = "l00979" > < / a > < span class = "lineno" > 979< / span > < span class = "keywordflow" > if< / span > (cols > last_extracted) {< / div >
< div class = "line" > < a id = "l00980" name = "l00980" > < / a > < span class = "lineno" > 980< / span > std::vector< int> colsToDelete;< / div >
< div class = "line" > < a id = "l00981" name = "l00981" > < / a > < span class = "lineno" > 981< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = last_extracted; i < cols; ++i) colsToDelete.push_back(i);< / div >
< div class = "line" > < a id = "l00982" name = "l00982" > < / a > < span class = "lineno" > 982< / span > (void)XPRSdelcols(mLp, colsToDelete.size(), colsToDelete.data());< / div >
< div class = "line" > < a id = "l00983" name = "l00983" > < / a > < span class = "lineno" > 983< / span > }< / div >
< div class = "line" > < a id = "l00984" name = "l00984" > < / a > < span class = "lineno" > 984< / span > std::vector< MPVariable*> < span class = "keyword" > const< / span > & variables = solver_-> variables();< / div >
< div class = "line" > < a id = "l00985" name = "l00985" > < / a > < span class = "lineno" > 985< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > size = variables.size();< / div >
< div class = "line" > < a id = "l00986" name = "l00986" > < / a > < span class = "lineno" > 986< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < size; ++j)< / div >
< div class = "line" > < a id = "l00987" name = "l00987" > < / a > < span class = "lineno" > 987< / span > set_variable_as_extracted(j, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l00988" name = "l00988" > < / a > < span class = "lineno" > 988< / span > < span class = "keywordflow" > throw< / span > ;< / div >
< div class = "line" > < a id = "l00989" name = "l00989" > < / a > < span class = "lineno" > 989< / span > }< / div >
< div class = "line" > < a id = "l00990" name = "l00990" > < / a > < span class = "lineno" > 990< / span > }< / div >
< div class = "line" > < a id = "l00991" name = "l00991" > < / a > < span class = "lineno" > 991< / span > }< / div >
< div class = "line" > < a id = "l00992" name = "l00992" > < / a > < span class = "lineno" > 992< / span > < / div >
< div class = "line" > < a id = "l00993" name = "l00993" > < / a > < span class = "lineno" > 993< / span > < span class = "comment" > // Extract constraints that have not yet been extracted.< / span > < / div >
< div class = "line" > < a id = "l00994" name = "l00994" > < / a > < span class = "lineno" > 994< / span > < span class = "keywordtype" > void< / span > XpressInterface::ExtractNewConstraints() {< / div >
< div class = "line" > < a id = "l00995" name = "l00995" > < / a > < span class = "lineno" > 995< / span > < span class = "comment" > // NOTE: The code assumes that a linear expression can never contain< / span > < / div >
< div class = "line" > < a id = "l00996" name = "l00996" > < / a > < span class = "lineno" > 996< / span > < span class = "comment" > // non-zero duplicates.< / span > < / div >
< div class = "line" > < a id = "l00997" name = "l00997" > < / a > < span class = "lineno" > 997< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction) {< / div >
< div class = "line" > < a id = "l00998" name = "l00998" > < / a > < span class = "lineno" > 998< / span > < span class = "comment" > // Without incremental extraction ExtractModel() is always called< / span > < / div >
< div class = "line" > < a id = "l00999" name = "l00999" > < / a > < span class = "lineno" > 999< / span > < span class = "comment" > // to extract the full model.< / span > < / div >
< div class = "line" > < a id = "l01000" name = "l01000" > < / a > < span class = "lineno" > 1000< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_variable_index_ == 0 ||< / div >
< div class = "line" > < a id = "l01001" name = "l01001" > < / a > < span class = "lineno" > 1001< / span > last_variable_index_ == solver_-> variables_.size());< / div >
< div class = "line" > < a id = "l01002" name = "l01002" > < / a > < span class = "lineno" > 1002< / span > < a class = "code hl_define" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_constraint_index_ == 0 ||< / div >
< div class = "line" > < a id = "l01003" name = "l01003" > < / a > < span class = "lineno" > 1003< / span > last_constraint_index_ == solver_-> constraints_.size());< / div >
< div class = "line" > < a id = "l01004" name = "l01004" > < / a > < span class = "lineno" > 1004< / span > }< / div >
< div class = "line" > < a id = "l01005" name = "l01005" > < / a > < span class = "lineno" > 1005< / span > < / div >
< div class = "line" > < a id = "l01006" name = "l01006" > < / a > < span class = "lineno" > 1006< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > offset = last_constraint_index_;< / div >
< div class = "line" > < a id = "l01007" name = "l01007" > < / a > < span class = "lineno" > 1007< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > total = solver_-> constraints_.size();< / div >
< div class = "line" > < a id = "l01008" name = "l01008" > < / a > < span class = "lineno" > 1008< / span > < / div >
< div class = "line" > < a id = "l01009" name = "l01009" > < / a > < span class = "lineno" > 1009< / span > < span class = "keywordflow" > if< / span > (total > offset) {< / div >
< div class = "line" > < a id = "l01010" name = "l01010" > < / a > < span class = "lineno" > 1010< / span > < span class = "comment" > // There are constraints that are not yet extracted.< / span > < / div >
< div class = "line" > < a id = "l01011" name = "l01011" > < / a > < span class = "lineno" > 1011< / span > < / div >
< div class = "line" > < a id = "l01012" name = "l01012" > < / a > < span class = "lineno" > 1012< / span > InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a id = "l01013" name = "l01013" > < / a > < span class = "lineno" > 1013< / span > < / div >
< div class = "line" > < a id = "l01014" name = "l01014" > < / a > < span class = "lineno" > 1014< / span > < span class = "keywordtype" > int< / span > newCons = total - offset;< / div >
< div class = "line" > < a id = "l01015" name = "l01015" > < / a > < span class = "lineno" > 1015< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l01016" name = "l01016" > < / a > < span class = "lineno" > 1016< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (last_variable_index_, cols);< / div >
< div class = "line" > < a id = "l01017" name = "l01017" > < / a > < span class = "lineno" > 1017< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > chunk = newCons; < span class = "comment" > // 10; // max number of rows to add in one shot< / span > < / div >
< div class = "line" > < a id = "l01018" name = "l01018" > < / a > < span class = "lineno" > 1018< / span > < / div >
< div class = "line" > < a id = "l01019" name = "l01019" > < / a > < span class = "lineno" > 1019< / span > < span class = "comment" > // Update indices of new constraints _before_ actually extracting< / span > < / div >
< div class = "line" > < a id = "l01020" name = "l01020" > < / a > < span class = "lineno" > 1020< / span > < span class = "comment" > // them. In case of error we will just reset the indices.< / span > < / div >
< div class = "line" > < a id = "l01021" name = "l01021" > < / a > < span class = "lineno" > 1021< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > c = offset; c < total; ++c) set_constraint_as_extracted(c, < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a id = "l01022" name = "l01022" > < / a > < span class = "lineno" > 1022< / span > < / div >
< div class = "line" > < a id = "l01023" name = "l01023" > < / a > < span class = "lineno" > 1023< / span > < span class = "keywordflow" > try< / span > {< / div >
< div class = "line" > < a id = "l01024" name = "l01024" > < / a > < span class = "lineno" > 1024< / span > unique_ptr< int[]> rmatind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [cols]);< / div >
< div class = "line" > < a id = "l01025" name = "l01025" > < / a > < span class = "lineno" > 1025< / span > unique_ptr< double[]> rmatval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l01026" name = "l01026" > < / a > < span class = "lineno" > 1026< / span > unique_ptr< int[]> rmatbeg(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [chunk]);< / div >
< div class = "line" > < a id = "l01027" name = "l01027" > < / a > < span class = "lineno" > 1027< / span > unique_ptr< char[]> sense(< span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > [chunk]);< / div >
< div class = "line" > < a id = "l01028" name = "l01028" > < / a > < span class = "lineno" > 1028< / span > unique_ptr< double[]> rhs(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [chunk]);< / div >
< div class = "line" > < a id = "l01029" name = "l01029" > < / a > < span class = "lineno" > 1029< / span > unique_ptr< char const*[]> < a class = "code hl_variable" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > (< span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > < span class = "keyword" > const< / span > *[chunk]);< / div >
< div class = "line" > < a id = "l01030" name = "l01030" > < / a > < span class = "lineno" > 1030< / span > unique_ptr< double[]> rngval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [chunk]);< / div >
< div class = "line" > < a id = "l01031" name = "l01031" > < / a > < span class = "lineno" > 1031< / span > unique_ptr< int[]> rngind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [chunk]);< / div >
< div class = "line" > < a id = "l01032" name = "l01032" > < / a > < span class = "lineno" > 1032< / span > < span class = "keywordtype" > bool< / span > haveRanges = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01033" name = "l01033" > < / a > < span class = "lineno" > 1033< / span > < / div >
< div class = "line" > < a id = "l01034" name = "l01034" > < / a > < span class = "lineno" > 1034< / span > < span class = "comment" > // Loop over the new constraints, collecting rows for up to< / span > < / div >
< div class = "line" > < a id = "l01035" name = "l01035" > < / a > < span class = "lineno" > 1035< / span > < span class = "comment" > // CHUNK constraints into the arrays so that adding constraints< / span > < / div >
< div class = "line" > < a id = "l01036" name = "l01036" > < / a > < span class = "lineno" > 1036< / span > < span class = "comment" > // is faster.< / span > < / div >
< div class = "line" > < a id = "l01037" name = "l01037" > < / a > < span class = "lineno" > 1037< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > c = 0; c < newCons; < span class = "comment" > /* nothing */< / span > ) {< / div >
< div class = "line" > < a id = "l01038" name = "l01038" > < / a > < span class = "lineno" > 1038< / span > < span class = "comment" > // Collect up to CHUNK constraints into the arrays.< / span > < / div >
< div class = "line" > < a id = "l01039" name = "l01039" > < / a > < span class = "lineno" > 1039< / span > < span class = "keywordtype" > int< / span > nextRow = 0;< / div >
< div class = "line" > < a id = "l01040" name = "l01040" > < / a > < span class = "lineno" > 1040< / span > < span class = "keywordtype" > int< / span > nextNz = 0;< / div >
< div class = "line" > < a id = "l01041" name = "l01041" > < / a > < span class = "lineno" > 1041< / span > < span class = "keywordflow" > for< / span > (< span class = "comment" > /* nothing */< / span > ; c < newCons & & nextRow < chunk; ++c, ++nextRow) {< / div >
< div class = "line" > < a id = "l01042" name = "l01042" > < / a > < span class = "lineno" > 1042< / span > MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[offset + c];< / div >
< div class = "line" > < a id = "l01043" name = "l01043" > < / a > < span class = "lineno" > 1043< / span > < / div >
< div class = "line" > < a id = "l01044" name = "l01044" > < / a > < span class = "lineno" > 1044< / span > < span class = "comment" > // Stop if there is not enough room in the arrays< / span > < / div >
< div class = "line" > < a id = "l01045" name = "l01045" > < / a > < span class = "lineno" > 1045< / span > < span class = "comment" > // to add the current constraint.< / span > < / div >
< div class = "line" > < a id = "l01046" name = "l01046" > < / a > < span class = "lineno" > 1046< / span > < span class = "keywordflow" > if< / span > (nextNz + < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_.size() > cols) {< / div >
< div class = "line" > < a id = "l01047" name = "l01047" > < / a > < span class = "lineno" > 1047< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (nextRow, 0);< / div >
< div class = "line" > < a id = "l01048" name = "l01048" > < / a > < span class = "lineno" > 1048< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01049" name = "l01049" > < / a > < span class = "lineno" > 1049< / span > }< / div >
< div class = "line" > < a id = "l01050" name = "l01050" > < / a > < span class = "lineno" > 1050< / span > < / div >
< div class = "line" > < a id = "l01051" name = "l01051" > < / a > < span class = "lineno" > 1051< / span > < span class = "comment" > // Setup right-hand side of constraint.< / span > < / div >
< div class = "line" > < a id = "l01052" name = "l01052" > < / a > < span class = "lineno" > 1052< / span > MakeRhs(< a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> lb(), < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> ub(), rhs[nextRow], sense[nextRow],< / div >
< div class = "line" > < a id = "l01053" name = "l01053" > < / a > < span class = "lineno" > 1053< / span > rngval[nextRow]);< / div >
< div class = "line" > < a id = "l01054" name = "l01054" > < / a > < span class = "lineno" > 1054< / span > haveRanges = haveRanges || (rngval[nextRow] != 0.0);< / div >
< div class = "line" > < a id = "l01055" name = "l01055" > < / a > < span class = "lineno" > 1055< / span > rngind[nextRow] = offset + c;< / div >
< div class = "line" > < a id = "l01056" name = "l01056" > < / a > < span class = "lineno" > 1056< / span > < / div >
< div class = "line" > < a id = "l01057" name = "l01057" > < / a > < span class = "lineno" > 1057< / span > < span class = "comment" > // Setup left-hand side of constraint.< / span > < / div >
< div class = "line" > < a id = "l01058" name = "l01058" > < / a > < span class = "lineno" > 1058< / span > rmatbeg[nextRow] = nextNz;< / div >
< div class = "line" > < a id = "l01059" name = "l01059" > < / a > < span class = "lineno" > 1059< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a id = "l01060" name = "l01060" > < / a > < span class = "lineno" > 1060< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l01061" name = "l01061" > < / a > < span class = "lineno" > 1061< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a id = "l01062" name = "l01062" > < / a > < span class = "lineno" > 1062< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a id = "l01063" name = "l01063" > < / a > < span class = "lineno" > 1063< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (nextNz, cols);< / div >
< div class = "line" > < a id = "l01064" name = "l01064" > < / a > < span class = "lineno" > 1064< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a id = "l01065" name = "l01065" > < / a > < span class = "lineno" > 1065< / span > rmatind[nextNz] = idx;< / div >
< div class = "line" > < a id = "l01066" name = "l01066" > < / a > < span class = "lineno" > 1066< / span > rmatval[nextNz] = it-> second;< / div >
< div class = "line" > < a id = "l01067" name = "l01067" > < / a > < span class = "lineno" > 1067< / span > ++nextNz;< / div >
< div class = "line" > < a id = "l01068" name = "l01068" > < / a > < span class = "lineno" > 1068< / span > }< / div >
< div class = "line" > < a id = "l01069" name = "l01069" > < / a > < span class = "lineno" > 1069< / span > }< / div >
< div class = "line" > < a id = "l01070" name = "l01070" > < / a > < span class = "lineno" > 1070< / span > < / div >
< div class = "line" > < a id = "l01071" name = "l01071" > < / a > < span class = "lineno" > 1071< / span > < span class = "comment" > // Finally the name of the constraint.< / span > < / div >
< div class = "line" > < a id = "l01072" name = "l01072" > < / a > < span class = "lineno" > 1072< / span > < a class = "code hl_variable" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > [nextRow] = < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> name().empty() ? 0 : < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> name().c_str();< / div >
< div class = "line" > < a id = "l01073" name = "l01073" > < / a > < span class = "lineno" > 1073< / span > }< / div >
< div class = "line" > < a id = "l01074" name = "l01074" > < / a > < span class = "lineno" > 1074< / span > < span class = "keywordflow" > if< / span > (nextRow > 0) {< / div >
< div class = "line" > < a id = "l01075" name = "l01075" > < / a > < span class = "lineno" > 1075< / span > CHECK_STATUS(XPRSaddrows(mLp, nextRow, nextNz, sense.get(), rhs.get(),< / div >
< div class = "line" > < a id = "l01076" name = "l01076" > < / a > < span class = "lineno" > 1076< / span > rngval.get(), rmatbeg.get(), rmatind.get(),< / div >
< div class = "line" > < a id = "l01077" name = "l01077" > < / a > < span class = "lineno" > 1077< / span > rmatval.get()));< / div >
< div class = "line" > < a id = "l01078" name = "l01078" > < / a > < span class = "lineno" > 1078< / span > < span class = "keywordflow" > if< / span > (haveRanges) {< / div >
< div class = "line" > < a id = "l01079" name = "l01079" > < / a > < span class = "lineno" > 1079< / span > CHECK_STATUS(< / div >
< div class = "line" > < a id = "l01080" name = "l01080" > < / a > < span class = "lineno" > 1080< / span > XPRSchgrhsrange(mLp, nextRow, rngind.get(), rngval.get()));< / div >
< div class = "line" > < a id = "l01081" name = "l01081" > < / a > < span class = "lineno" > 1081< / span > }< / div >
< div class = "line" > < a id = "l01082" name = "l01082" > < / a > < span class = "lineno" > 1082< / span > }< / div >
< div class = "line" > < a id = "l01083" name = "l01083" > < / a > < span class = "lineno" > 1083< / span > }< / div >
< div class = "line" > < a id = "l01084" name = "l01084" > < / a > < span class = "lineno" > 1084< / span > } < span class = "keywordflow" > catch< / span > (...) {< / div >
< div class = "line" > < a id = "l01085" name = "l01085" > < / a > < span class = "lineno" > 1085< / span > < span class = "comment" > // Undo all changes in case of error.< / span > < / div >
< div class = "line" > < a id = "l01086" name = "l01086" > < / a > < span class = "lineno" > 1086< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > rows = XPRSgetnumrows(mLp);< / div >
< div class = "line" > < a id = "l01087" name = "l01087" > < / a > < span class = "lineno" > 1087< / span > std::vector< int> rowsToDelete;< / div >
< div class = "line" > < a id = "l01088" name = "l01088" > < / a > < span class = "lineno" > 1088< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = offset; i < rows; ++i) rowsToDelete.push_back(i);< / div >
< div class = "line" > < a id = "l01089" name = "l01089" > < / a > < span class = "lineno" > 1089< / span > < span class = "keywordflow" > if< / span > (rows > offset)< / div >
< div class = "line" > < a id = "l01090" name = "l01090" > < / a > < span class = "lineno" > 1090< / span > (void)XPRSdelrows(mLp, rowsToDelete.size(), rowsToDelete.data());< / div >
< div class = "line" > < a id = "l01091" name = "l01091" > < / a > < span class = "lineno" > 1091< / span > std::vector< MPConstraint*> < span class = "keyword" > const< / span > & constraints = solver_-> constraints();< / div >
< div class = "line" > < a id = "l01092" name = "l01092" > < / a > < span class = "lineno" > 1092< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > size = constraints.size();< / div >
< div class = "line" > < a id = "l01093" name = "l01093" > < / a > < span class = "lineno" > 1093< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = offset; i < size; ++i) set_constraint_as_extracted(i, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a id = "l01094" name = "l01094" > < / a > < span class = "lineno" > 1094< / span > < span class = "keywordflow" > throw< / span > ;< / div >
< div class = "line" > < a id = "l01095" name = "l01095" > < / a > < span class = "lineno" > 1095< / span > }< / div >
< div class = "line" > < a id = "l01096" name = "l01096" > < / a > < span class = "lineno" > 1096< / span > }< / div >
< div class = "line" > < a id = "l01097" name = "l01097" > < / a > < span class = "lineno" > 1097< / span > }< / div >
< div class = "line" > < a id = "l01098" name = "l01098" > < / a > < span class = "lineno" > 1098< / span > < / div >
< div class = "line" > < a id = "l01099" name = "l01099" > < / a > < span class = "lineno" > 1099< / span > < span class = "comment" > // Extract the objective function.< / span > < / div >
< div class = "line" > < a id = "l01100" name = "l01100" > < / a > < span class = "lineno" > 1100< / span > < span class = "keywordtype" > void< / span > XpressInterface::ExtractObjective() {< / div >
< div class = "line" > < a id = "l01101" name = "l01101" > < / a > < span class = "lineno" > 1101< / span > < span class = "comment" > // NOTE: The code assumes that the objective expression does not contain< / span > < / div >
< div class = "line" > < a id = "l01102" name = "l01102" > < / a > < span class = "lineno" > 1102< / span > < span class = "comment" > // any non-zero duplicates.< / span > < / div >
< div class = "line" > < a id = "l01103" name = "l01103" > < / a > < span class = "lineno" > 1103< / span > < / div >
< div class = "line" > < a id = "l01104" name = "l01104" > < / a > < span class = "lineno" > 1104< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l01105" name = "l01105" > < / a > < span class = "lineno" > 1105< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (last_variable_index_, cols);< / div >
< div class = "line" > < a id = "l01106" name = "l01106" > < / a > < span class = "lineno" > 1106< / span > < / div >
< div class = "line" > < a id = "l01107" name = "l01107" > < / a > < span class = "lineno" > 1107< / span > unique_ptr< int[]> ind(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [cols]);< / div >
< div class = "line" > < a id = "l01108" name = "l01108" > < / a > < span class = "lineno" > 1108< / span > unique_ptr< double[]> val(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l01109" name = "l01109" > < / a > < span class = "lineno" > 1109< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = 0; j < cols; ++j) {< / div >
< div class = "line" > < a id = "l01110" name = "l01110" > < / a > < span class = "lineno" > 1110< / span > ind[j] = j;< / div >
< div class = "line" > < a id = "l01111" name = "l01111" > < / a > < span class = "lineno" > 1111< / span > val[j] = 0.0;< / div >
< div class = "line" > < a id = "l01112" name = "l01112" > < / a > < span class = "lineno" > 1112< / span > }< / div >
< div class = "line" > < a id = "l01113" name = "l01113" > < / a > < span class = "lineno" > 1113< / span > < / div >
< div class = "line" > < a id = "l01114" name = "l01114" > < / a > < span class = "lineno" > 1114< / span > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = solver_-> objective_-> coefficients_;< / div >
< div class = "line" > < a id = "l01115" name = "l01115" > < / a > < span class = "lineno" > 1115< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it = coeffs.begin(); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a id = "l01116" name = "l01116" > < / a > < span class = "lineno" > 1116< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a id = "l01117" name = "l01117" > < / a > < span class = "lineno" > 1117< / span > < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a id = "l01118" name = "l01118" > < / a > < span class = "lineno" > 1118< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a id = "l01119" name = "l01119" > < / a > < span class = "lineno" > 1119< / span > val[idx] = it-> second;< / div >
< div class = "line" > < a id = "l01120" name = "l01120" > < / a > < span class = "lineno" > 1120< / span > }< / div >
< div class = "line" > < a id = "l01121" name = "l01121" > < / a > < span class = "lineno" > 1121< / span > }< / div >
< div class = "line" > < a id = "l01122" name = "l01122" > < / a > < span class = "lineno" > 1122< / span > < / div >
< div class = "line" > < a id = "l01123" name = "l01123" > < / a > < span class = "lineno" > 1123< / span > CHECK_STATUS(XPRSchgobj(mLp, cols, ind.get(), val.get()));< / div >
< div class = "line" > < a id = "l01124" name = "l01124" > < / a > < span class = "lineno" > 1124< / span > CHECK_STATUS(XPRSsetobjoffset(mLp, solver_-> Objective().offset()));< / div >
< div class = "line" > < a id = "l01125" name = "l01125" > < / a > < span class = "lineno" > 1125< / span > }< / div >
< div class = "line" > < a id = "l01126" name = "l01126" > < / a > < span class = "lineno" > 1126< / span > < / div >
< div class = "line" > < a id = "l01127" name = "l01127" > < / a > < span class = "lineno" > 1127< / span > < span class = "comment" > // ------ Parameters -----< / span > < / div >
< div class = "line" > < a id = "l01128" name = "l01128" > < / a > < span class = "lineno" > 1128< / span > < / div >
< div class = "line" > < a id = "l01129" name = "l01129" > < / a > < span class = "lineno" > 1129< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetParameters(< span class = "keyword" > const< / span > MPSolverParameters& param) {< / div >
< div class = "line" > < a id = "l01130" name = "l01130" > < / a > < span class = "lineno" > 1130< / span > SetCommonParameters(param);< / div >
< div class = "line" > < a id = "l01131" name = "l01131" > < / a > < span class = "lineno" > 1131< / span > < span class = "keywordflow" > if< / span > (mMip) SetMIPParameters(param);< / div >
< div class = "line" > < a id = "l01132" name = "l01132" > < / a > < span class = "lineno" > 1132< / span > }< / div >
< div class = "line" > < a id = "l01133" name = "l01133" > < / a > < span class = "lineno" > 1133< / span > < / div >
< div class = "line" > < a id = "l01134" name = "l01134" > < / a > < span class = "lineno" > 1134< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetRelativeMipGap(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01135" name = "l01135" > < / a > < span class = "lineno" > 1135< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l01136" name = "l01136" > < / a > < span class = "lineno" > 1136< / span > CHECK_STATUS(XPRSsetdblcontrol(mLp, XPRS_MIPRELSTOP, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l01137" name = "l01137" > < / a > < span class = "lineno" > 1137< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01138" name = "l01138" > < / a > < span class = "lineno" > 1138< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code hl_variable" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > ) < < < span class = "stringliteral" > " The relative MIP gap is only available " < / span > < / div >
< div class = "line" > < a id = "l01139" name = "l01139" > < / a > < span class = "lineno" > 1139< / span > < < < span class = "stringliteral" > " for discrete problems." < / span > ;< / div >
< div class = "line" > < a id = "l01140" name = "l01140" > < / a > < span class = "lineno" > 1140< / span > }< / div >
< div class = "line" > < a id = "l01141" name = "l01141" > < / a > < span class = "lineno" > 1141< / span > }< / div >
< div class = "line" > < a id = "l01142" name = "l01142" > < / a > < span class = "lineno" > 1142< / span > < / div >
< div class = "line" > < a id = "l01143" name = "l01143" > < / a > < span class = "lineno" > 1143< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetPrimalTolerance(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01144" name = "l01144" > < / a > < span class = "lineno" > 1144< / span > CHECK_STATUS(XPRSsetdblcontrol(mLp, XPRS_FEASTOL, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l01145" name = "l01145" > < / a > < span class = "lineno" > 1145< / span > }< / div >
< div class = "line" > < a id = "l01146" name = "l01146" > < / a > < span class = "lineno" > 1146< / span > < / div >
< div class = "line" > < a id = "l01147" name = "l01147" > < / a > < span class = "lineno" > 1147< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetDualTolerance(< span class = "keywordtype" > double< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01148" name = "l01148" > < / a > < span class = "lineno" > 1148< / span > CHECK_STATUS(XPRSsetdblcontrol(mLp, XPRS_OPTIMALITYTOL, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
< div class = "line" > < a id = "l01149" name = "l01149" > < / a > < span class = "lineno" > 1149< / span > }< / div >
< div class = "line" > < a id = "l01150" name = "l01150" > < / a > < span class = "lineno" > 1150< / span > < / div >
< div class = "line" > < a id = "l01151" name = "l01151" > < / a > < span class = "lineno" > 1151< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetPresolveMode(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01152" name = "l01152" > < / a > < span class = "lineno" > 1152< / span > MPSolverParameters::PresolveValues < span class = "keyword" > const< / span > presolve =< / div >
< div class = "line" > < a id = "l01153" name = "l01153" > < / a > < span class = "lineno" > 1153< / span > < span class = "keyword" > static_cast< < / span > MPSolverParameters::PresolveValues< span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l01154" name = "l01154" > < / a > < span class = "lineno" > 1154< / span > < / div >
< div class = "line" > < a id = "l01155" name = "l01155" > < / a > < span class = "lineno" > 1155< / span > < span class = "keywordflow" > switch< / span > (presolve) {< / div >
< div class = "line" > < a id = "l01156" name = "l01156" > < / a > < span class = "lineno" > 1156< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::PRESOLVE_OFF:< / div >
< div class = "line" > < a id = "l01157" name = "l01157" > < / a > < span class = "lineno" > 1157< / span > CHECK_STATUS(XPRSsetintcontrol(mLp, XPRS_PRESOLVE, 0));< / div >
< div class = "line" > < a id = "l01158" name = "l01158" > < / a > < span class = "lineno" > 1158< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01159" name = "l01159" > < / a > < span class = "lineno" > 1159< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::PRESOLVE_ON:< / div >
< div class = "line" > < a id = "l01160" name = "l01160" > < / a > < span class = "lineno" > 1160< / span > CHECK_STATUS(XPRSsetintcontrol(mLp, XPRS_PRESOLVE, 1));< / div >
< div class = "line" > < a id = "l01161" name = "l01161" > < / a > < span class = "lineno" > 1161< / span > < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a id = "l01162" name = "l01162" > < / a > < span class = "lineno" > 1162< / span > }< / div >
< div class = "line" > < a id = "l01163" name = "l01163" > < / a > < span class = "lineno" > 1163< / span > SetIntegerParamToUnsupportedValue(MPSolverParameters::PRESOLVE, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l01164" name = "l01164" > < / a > < span class = "lineno" > 1164< / span > }< / div >
< div class = "line" > < a id = "l01165" name = "l01165" > < / a > < span class = "lineno" > 1165< / span > < / div >
< div class = "line" > < a id = "l01166" name = "l01166" > < / a > < span class = "lineno" > 1166< / span > < span class = "comment" > // Sets the scaling mode.< / span > < / div >
< div class = "line" > < a id = "l01167" name = "l01167" > < / a > < span class = "lineno" > 1167< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetScalingMode(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01168" name = "l01168" > < / a > < span class = "lineno" > 1168< / span > MPSolverParameters::ScalingValues < span class = "keyword" > const< / span > scaling =< / div >
< div class = "line" > < a id = "l01169" name = "l01169" > < / a > < span class = "lineno" > 1169< / span > < span class = "keyword" > static_cast< < / span > MPSolverParameters::ScalingValues< span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l01170" name = "l01170" > < / a > < span class = "lineno" > 1170< / span > < / div >
< div class = "line" > < a id = "l01171" name = "l01171" > < / a > < span class = "lineno" > 1171< / span > < span class = "keywordflow" > switch< / span > (scaling) {< / div >
< div class = "line" > < a id = "l01172" name = "l01172" > < / a > < span class = "lineno" > 1172< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::SCALING_OFF:< / div >
< div class = "line" > < a id = "l01173" name = "l01173" > < / a > < span class = "lineno" > 1173< / span > CHECK_STATUS(XPRSsetintcontrol(mLp, XPRS_SCALING, 0));< / div >
< div class = "line" > < a id = "l01174" name = "l01174" > < / a > < span class = "lineno" > 1174< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01175" name = "l01175" > < / a > < span class = "lineno" > 1175< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::SCALING_ON:< / div >
< div class = "line" > < a id = "l01176" name = "l01176" > < / a > < span class = "lineno" > 1176< / span > CHECK_STATUS(XPRSsetdefaultcontrol(mLp, XPRS_SCALING));< / div >
< div class = "line" > < a id = "l01177" name = "l01177" > < / a > < span class = "lineno" > 1177< / span > < span class = "comment" > // In Xpress, scaling is not a binary on/off control, but a bit vector< / span > < / div >
< div class = "line" > < a id = "l01178" name = "l01178" > < / a > < span class = "lineno" > 1178< / span > < span class = "comment" > // control setting it to 1 would only enable bit 1. Instead we reset it to< / span > < / div >
< div class = "line" > < a id = "l01179" name = "l01179" > < / a > < span class = "lineno" > 1179< / span > < span class = "comment" > // its default (163 for the current version 8.6) Alternatively, we could< / span > < / div >
< div class = "line" > < a id = "l01180" name = "l01180" > < / a > < span class = "lineno" > 1180< / span > < span class = "comment" > // call CHECK_STATUS(XPRSsetintcontrol(mLp, XPRS_SCALING, 163));< / span > < / div >
< div class = "line" > < a id = "l01181" name = "l01181" > < / a > < span class = "lineno" > 1181< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01182" name = "l01182" > < / a > < span class = "lineno" > 1182< / span > }< / div >
< div class = "line" > < a id = "l01183" name = "l01183" > < / a > < span class = "lineno" > 1183< / span > }< / div >
< div class = "line" > < a id = "l01184" name = "l01184" > < / a > < span class = "lineno" > 1184< / span > < / div >
< div class = "line" > < a id = "l01185" name = "l01185" > < / a > < span class = "lineno" > 1185< / span > < span class = "comment" > // Sets the LP algorithm : primal, dual or barrier. Note that XPRESS offers< / span > < / div >
< div class = "line" > < a id = "l01186" name = "l01186" > < / a > < span class = "lineno" > 1186< / span > < span class = "comment" > // other LP algorithm (e.g. network) and automatic selection< / span > < / div >
< div class = "line" > < a id = "l01187" name = "l01187" > < / a > < span class = "lineno" > 1187< / span > < span class = "keywordtype" > void< / span > XpressInterface::SetLpAlgorithm(< span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a id = "l01188" name = "l01188" > < / a > < span class = "lineno" > 1188< / span > MPSolverParameters::LpAlgorithmValues < span class = "keyword" > const< / span > algorithm =< / div >
< div class = "line" > < a id = "l01189" name = "l01189" > < / a > < span class = "lineno" > 1189< / span > < span class = "keyword" > static_cast< < / span > MPSolverParameters::LpAlgorithmValues< span class = "keyword" > > < / span > (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l01190" name = "l01190" > < / a > < span class = "lineno" > 1190< / span > < / div >
< div class = "line" > < a id = "l01191" name = "l01191" > < / a > < span class = "lineno" > 1191< / span > < span class = "keywordtype" > int< / span > alg = 1;< / div >
< div class = "line" > < a id = "l01192" name = "l01192" > < / a > < span class = "lineno" > 1192< / span > < / div >
< div class = "line" > < a id = "l01193" name = "l01193" > < / a > < span class = "lineno" > 1193< / span > < span class = "keywordflow" > switch< / span > (algorithm) {< / div >
< div class = "line" > < a id = "l01194" name = "l01194" > < / a > < span class = "lineno" > 1194< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::DUAL:< / div >
< div class = "line" > < a id = "l01195" name = "l01195" > < / a > < span class = "lineno" > 1195< / span > alg = 2;< / div >
< div class = "line" > < a id = "l01196" name = "l01196" > < / a > < span class = "lineno" > 1196< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01197" name = "l01197" > < / a > < span class = "lineno" > 1197< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::PRIMAL:< / div >
< div class = "line" > < a id = "l01198" name = "l01198" > < / a > < span class = "lineno" > 1198< / span > alg = 3;< / div >
< div class = "line" > < a id = "l01199" name = "l01199" > < / a > < span class = "lineno" > 1199< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01200" name = "l01200" > < / a > < span class = "lineno" > 1200< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::BARRIER:< / div >
< div class = "line" > < a id = "l01201" name = "l01201" > < / a > < span class = "lineno" > 1201< / span > alg = 4;< / div >
< div class = "line" > < a id = "l01202" name = "l01202" > < / a > < span class = "lineno" > 1202< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01203" name = "l01203" > < / a > < span class = "lineno" > 1203< / span > }< / div >
< div class = "line" > < a id = "l01204" name = "l01204" > < / a > < span class = "lineno" > 1204< / span > < / div >
< div class = "line" > < a id = "l01205" name = "l01205" > < / a > < span class = "lineno" > 1205< / span > < span class = "keywordflow" > if< / span > (alg == XPRS_DEFAULTALG) {< / div >
< div class = "line" > < a id = "l01206" name = "l01206" > < / a > < span class = "lineno" > 1206< / span > SetIntegerParamToUnsupportedValue(MPSolverParameters::LP_ALGORITHM, < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a id = "l01207" name = "l01207" > < / a > < span class = "lineno" > 1207< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01208" name = "l01208" > < / a > < span class = "lineno" > 1208< / span > CHECK_STATUS(XPRSsetintcontrol(mLp, XPRS_DEFAULTALG, alg));< / div >
< div class = "line" > < a id = "l01209" name = "l01209" > < / a > < span class = "lineno" > 1209< / span > }< / div >
< div class = "line" > < a id = "l01210" name = "l01210" > < / a > < span class = "lineno" > 1210< / span > }< / div >
< div class = "line" > < a id = "l01211" name = "l01211" > < / a > < span class = "lineno" > 1211< / span > < / div >
< div class = "line" > < a id = "l01212" name = "l01212" > < / a > < span class = "lineno" > 1212< / span > < span class = "keywordtype" > bool< / span > XpressInterface::ReadParameterFile(std::string < span class = "keyword" > const< / span > & filename) {< / div >
< div class = "line" > < a id = "l01213" name = "l01213" > < / a > < span class = "lineno" > 1213< / span > < span class = "comment" > // Return true on success and false on error.< / span > < / div >
< div class = "line" > < a id = "l01214" name = "l01214" > < / a > < span class = "lineno" > 1214< / span > < a class = "code hl_define" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " ReadParameterFile not implemented for XPRESS interface" < / span > ;< / div >
< div class = "line" > < a id = "l01215" name = "l01215" > < / a > < span class = "lineno" > 1215< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01216" name = "l01216" > < / a > < span class = "lineno" > 1216< / span > }< / div >
< div class = "line" > < a id = "l01217" name = "l01217" > < / a > < span class = "lineno" > 1217< / span > < / div >
< div class = "line" > < a id = "l01218" name = "l01218" > < / a > < span class = "lineno" > 1218< / span > std::string XpressInterface::ValidFileExtensionForParameterFile()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l01219" name = "l01219" > < / a > < span class = "lineno" > 1219< / span > < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " .prm" < / span > ;< / div >
< div class = "line" > < a id = "l01220" name = "l01220" > < / a > < span class = "lineno" > 1220< / span > }< / div >
< div class = "line" > < a id = "l01221" name = "l01221" > < / a > < span class = "lineno" > 1221< / span > < / div >
< div class = "line" > < a id = "l01222" name = "l01222" > < / a > < span class = "lineno" > 1222< / span > MPSolver::ResultStatus < a class = "code hl_function" href = "namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1" > XpressInterface::Solve< / a > (MPSolverParameters < span class = "keyword" > const< / span > & param) {< / div >
< div class = "line" > < a id = "l01223" name = "l01223" > < / a > < span class = "lineno" > 1223< / span > < span class = "keywordtype" > int< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > ;< / div >
< div class = "line" > < a id = "l01224" name = "l01224" > < / a > < span class = "lineno" > 1224< / span > < / div >
< div class = "line" > < a id = "l01225" name = "l01225" > < / a > < span class = "lineno" > 1225< / span > < span class = "comment" > // Delete chached information< / span > < / div >
< div class = "line" > < a id = "l01226" name = "l01226" > < / a > < span class = "lineno" > 1226< / span > mCstat = 0;< / div >
< div class = "line" > < a id = "l01227" name = "l01227" > < / a > < span class = "lineno" > 1227< / span > mRstat = 0;< / div >
< div class = "line" > < a id = "l01228" name = "l01228" > < / a > < span class = "lineno" > 1228< / span > < / div >
< div class = "line" > < a id = "l01229" name = "l01229" > < / a > < span class = "lineno" > 1229< / span > < a class = "code hl_class" href = "class_wall_timer.html" > WallTimer< / a > timer;< / div >
< div class = "line" > < a id = "l01230" name = "l01230" > < / a > < span class = "lineno" > 1230< / span > timer.< a class = "code hl_function" href = "class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291" > Start< / a > ();< / div >
< div class = "line" > < a id = "l01231" name = "l01231" > < / a > < span class = "lineno" > 1231< / span > < / div >
< div class = "line" > < a id = "l01232" name = "l01232" > < / a > < span class = "lineno" > 1232< / span > < span class = "comment" > // Set incrementality< / span > < / div >
< div class = "line" > < a id = "l01233" name = "l01233" > < / a > < span class = "lineno" > 1233< / span > MPSolverParameters::IncrementalityValues < span class = "keyword" > const< / span > inc =< / div >
< div class = "line" > < a id = "l01234" name = "l01234" > < / a > < span class = "lineno" > 1234< / span > < span class = "keyword" > static_cast< < / span > MPSolverParameters::IncrementalityValues< span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a id = "l01235" name = "l01235" > < / a > < span class = "lineno" > 1235< / span > param.GetIntegerParam(MPSolverParameters::INCREMENTALITY));< / div >
< div class = "line" > < a id = "l01236" name = "l01236" > < / a > < span class = "lineno" > 1236< / span > < span class = "keywordflow" > switch< / span > (inc) {< / div >
< div class = "line" > < a id = "l01237" name = "l01237" > < / a > < span class = "lineno" > 1237< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::INCREMENTALITY_OFF: {< / div >
< div class = "line" > < a id = "l01238" name = "l01238" > < / a > < span class = "lineno" > 1238< / span > Reset(); < span class = "comment" > // This should not be required but re-extracting everything< / span > < / div >
< div class = "line" > < a id = "l01239" name = "l01239" > < / a > < span class = "lineno" > 1239< / span > < span class = "comment" > // may be faster, so we do it.< / span > < / div >
< div class = "line" > < a id = "l01240" name = "l01240" > < / a > < span class = "lineno" > 1240< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01241" name = "l01241" > < / a > < span class = "lineno" > 1241< / span > }< / div >
< div class = "line" > < a id = "l01242" name = "l01242" > < / a > < span class = "lineno" > 1242< / span > < span class = "keywordflow" > case< / span > MPSolverParameters::INCREMENTALITY_ON: {< / div >
< div class = "line" > < a id = "l01243" name = "l01243" > < / a > < span class = "lineno" > 1243< / span > XPRSsetintcontrol(mLp, XPRS_CRASH, 0);< / div >
< div class = "line" > < a id = "l01244" name = "l01244" > < / a > < span class = "lineno" > 1244< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01245" name = "l01245" > < / a > < span class = "lineno" > 1245< / span > }< / div >
< div class = "line" > < a id = "l01246" name = "l01246" > < / a > < span class = "lineno" > 1246< / span > }< / div >
< div class = "line" > < a id = "l01247" name = "l01247" > < / a > < span class = "lineno" > 1247< / span > < / div >
< div class = "line" > < a id = "l01248" name = "l01248" > < / a > < span class = "lineno" > 1248< / span > < span class = "comment" > // Extract the model to be solved.< / span > < / div >
< div class = "line" > < a id = "l01249" name = "l01249" > < / a > < span class = "lineno" > 1249< / span > < span class = "comment" > // If we don' t support incremental extraction and the low-level modeling< / span > < / div >
< div class = "line" > < a id = "l01250" name = "l01250" > < / a > < span class = "lineno" > 1250< / span > < span class = "comment" > // is out of sync then we have to re-extract everything. Note that this< / span > < / div >
< div class = "line" > < a id = "l01251" name = "l01251" > < / a > < span class = "lineno" > 1251< / span > < span class = "comment" > // will lose MIP starts or advanced basis information from a previous< / span > < / div >
< div class = "line" > < a id = "l01252" name = "l01252" > < / a > < span class = "lineno" > 1252< / span > < span class = "comment" > // solve.< / span > < / div >
< div class = "line" > < a id = "l01253" name = "l01253" > < / a > < span class = "lineno" > 1253< / span > < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & sync_status_ == MUST_RELOAD) Reset();< / div >
< div class = "line" > < a id = "l01254" name = "l01254" > < / a > < span class = "lineno" > 1254< / span > ExtractModel();< / div >
< div class = "line" > < a id = "l01255" name = "l01255" > < / a > < span class = "lineno" > 1255< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Model build in %.3f seconds." < / span > , timer.< a class = "code hl_function" href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > Get< / a > ());< / div >
< div class = "line" > < a id = "l01256" name = "l01256" > < / a > < span class = "lineno" > 1256< / span > < / div >
< div class = "line" > < a id = "l01257" name = "l01257" > < / a > < span class = "lineno" > 1257< / span > < span class = "comment" > // Set log level.< / span > < / div >
< div class = "line" > < a id = "l01258" name = "l01258" > < / a > < span class = "lineno" > 1258< / span > XPRSsetintcontrol(mLp, XPRS_OUTPUTLOG, quiet() ? 0 : 1);< / div >
< div class = "line" > < a id = "l01259" name = "l01259" > < / a > < span class = "lineno" > 1259< / span > < span class = "comment" > // Set parameters.< / span > < / div >
< div class = "line" > < a id = "l01260" name = "l01260" > < / a > < span class = "lineno" > 1260< / span > < span class = "comment" > // NOTE: We must invoke SetSolverSpecificParametersAsString() _first_.< / span > < / div >
< div class = "line" > < a id = "l01261" name = "l01261" > < / a > < span class = "lineno" > 1261< / span > < span class = "comment" > // Its current implementation invokes ReadParameterFile() which in< / span > < / div >
< div class = "line" > < a id = "l01262" name = "l01262" > < / a > < span class = "lineno" > 1262< / span > < span class = "comment" > // turn invokes XPRSreadcopyparam(). The latter will _overwrite_< / span > < / div >
< div class = "line" > < a id = "l01263" name = "l01263" > < / a > < span class = "lineno" > 1263< / span > < span class = "comment" > // all current parameter settings in the environment.< / span > < / div >
< div class = "line" > < a id = "l01264" name = "l01264" > < / a > < span class = "lineno" > 1264< / span > solver_-> SetSolverSpecificParametersAsString(< / div >
< div class = "line" > < a id = "l01265" name = "l01265" > < / a > < span class = "lineno" > 1265< / span > solver_-> solver_specific_parameter_string_);< / div >
< div class = "line" > < a id = "l01266" name = "l01266" > < / a > < span class = "lineno" > 1266< / span > SetParameters(param);< / div >
< div class = "line" > < a id = "l01267" name = "l01267" > < / a > < span class = "lineno" > 1267< / span > < span class = "keywordflow" > if< / span > (solver_-> time_limit()) {< / div >
< div class = "line" > < a id = "l01268" name = "l01268" > < / a > < span class = "lineno" > 1268< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " Setting time limit = " < / span > < < solver_-> time_limit() < < < span class = "stringliteral" > " ms." < / span > ;< / div >
< div class = "line" > < a id = "l01269" name = "l01269" > < / a > < span class = "lineno" > 1269< / span > < span class = "comment" > // In Xpress, a time limit should usually have a negative sign. With a< / span > < / div >
< div class = "line" > < a id = "l01270" name = "l01270" > < / a > < span class = "lineno" > 1270< / span > < span class = "comment" > // positive sign, the solver will only stop when a solution has been found.< / span > < / div >
< div class = "line" > < a id = "l01271" name = "l01271" > < / a > < span class = "lineno" > 1271< / span > CHECK_STATUS(XPRSsetdblcontrol(mLp, XPRS_MAXTIME,< / div >
< div class = "line" > < a id = "l01272" name = "l01272" > < / a > < span class = "lineno" > 1272< / span > -1.0 * solver_-> time_limit_in_secs()));< / div >
< div class = "line" > < a id = "l01273" name = "l01273" > < / a > < span class = "lineno" > 1273< / span > }< / div >
< div class = "line" > < a id = "l01274" name = "l01274" > < / a > < span class = "lineno" > 1274< / span > < / div >
< div class = "line" > < a id = "l01275" name = "l01275" > < / a > < span class = "lineno" > 1275< / span > < span class = "comment" > // Solve.< / span > < / div >
< div class = "line" > < a id = "l01276" name = "l01276" > < / a > < span class = "lineno" > 1276< / span > < span class = "comment" > // Do not CHECK_STATUS here since some errors (for example CPXERR_NO_MEMORY)< / span > < / div >
< div class = "line" > < a id = "l01277" name = "l01277" > < / a > < span class = "lineno" > 1277< / span > < span class = "comment" > // still allow us to query useful information.< / span > < / div >
< div class = "line" > < a id = "l01278" name = "l01278" > < / a > < span class = "lineno" > 1278< / span > timer.< a class = "code hl_function" href = "class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5" > Restart< / a > ();< / div >
< div class = "line" > < a id = "l01279" name = "l01279" > < / a > < span class = "lineno" > 1279< / span > < / div >
< div class = "line" > < a id = "l01280" name = "l01280" > < / a > < span class = "lineno" > 1280< / span > < span class = "keywordtype" > int< / span > xpressstat = 0;< / div >
< div class = "line" > < a id = "l01281" name = "l01281" > < / a > < span class = "lineno" > 1281< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l01282" name = "l01282" > < / a > < span class = "lineno" > 1282< / span > < span class = "keywordflow" > if< / span > (this-> < a class = "code hl_variable" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > )< / div >
< div class = "line" > < a id = "l01283" name = "l01283" > < / a > < span class = "lineno" > 1283< / span > status = XPRSmaxim(mLp, < span class = "stringliteral" > " g" < / span > );< / div >
< div class = "line" > < a id = "l01284" name = "l01284" > < / a > < span class = "lineno" > 1284< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l01285" name = "l01285" > < / a > < span class = "lineno" > 1285< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > = XPRSminim(mLp, < span class = "stringliteral" > " g" < / span > );< / div >
< div class = "line" > < a id = "l01286" name = "l01286" > < / a > < span class = "lineno" > 1286< / span > XPRSgetintattrib(mLp, XPRS_MIPSTATUS, & xpressstat);< / div >
< div class = "line" > < a id = "l01287" name = "l01287" > < / a > < span class = "lineno" > 1287< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01288" name = "l01288" > < / a > < span class = "lineno" > 1288< / span > < span class = "keywordflow" > if< / span > (this-> < a class = "code hl_variable" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > )< / div >
< div class = "line" > < a id = "l01289" name = "l01289" > < / a > < span class = "lineno" > 1289< / span > status = XPRSmaxim(mLp, < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a id = "l01290" name = "l01290" > < / a > < span class = "lineno" > 1290< / span > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a id = "l01291" name = "l01291" > < / a > < span class = "lineno" > 1291< / span > < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > = XPRSminim(mLp, < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a id = "l01292" name = "l01292" > < / a > < span class = "lineno" > 1292< / span > XPRSgetintattrib(mLp, XPRS_LPSTATUS, & xpressstat);< / div >
< div class = "line" > < a id = "l01293" name = "l01293" > < / a > < span class = "lineno" > 1293< / span > }< / div >
< div class = "line" > < a id = "l01294" name = "l01294" > < / a > < span class = "lineno" > 1294< / span > < / div >
< div class = "line" > < a id = "l01295" name = "l01295" > < / a > < span class = "lineno" > 1295< / span > < span class = "comment" > // Disable screen output right after solve< / span > < / div >
< div class = "line" > < a id = "l01296" name = "l01296" > < / a > < span class = "lineno" > 1296< / span > XPRSsetintcontrol(mLp, XPRS_OUTPUTLOG, 0);< / div >
< div class = "line" > < a id = "l01297" name = "l01297" > < / a > < span class = "lineno" > 1297< / span > < / div >
< div class = "line" > < a id = "l01298" name = "l01298" > < / a > < span class = "lineno" > 1298< / span > < span class = "keywordflow" > if< / span > (< a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > ) {< / div >
< div class = "line" > < a id = "l01299" name = "l01299" > < / a > < span class = "lineno" > 1299< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Failed to optimize MIP. Error %d" < / span > , < a class = "code hl_variable" href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > );< / div >
< div class = "line" > < a id = "l01300" name = "l01300" > < / a > < span class = "lineno" > 1300< / span > < span class = "comment" > // NOTE: We do not return immediately since there may be information< / span > < / div >
< div class = "line" > < a id = "l01301" name = "l01301" > < / a > < span class = "lineno" > 1301< / span > < span class = "comment" > // to grab (for example an incumbent)< / span > < / div >
< div class = "line" > < a id = "l01302" name = "l01302" > < / a > < span class = "lineno" > 1302< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01303" name = "l01303" > < / a > < span class = "lineno" > 1303< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Solved in %.3f seconds." < / span > , timer.< a class = "code hl_function" href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > Get< / a > ());< / div >
< div class = "line" > < a id = "l01304" name = "l01304" > < / a > < span class = "lineno" > 1304< / span > }< / div >
< div class = "line" > < a id = "l01305" name = "l01305" > < / a > < span class = "lineno" > 1305< / span > < / div >
< div class = "line" > < a id = "l01306" name = "l01306" > < / a > < span class = "lineno" > 1306< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " XPRESS solution status %d." < / span > , xpressstat);< / div >
< div class = "line" > < a id = "l01307" name = "l01307" > < / a > < span class = "lineno" > 1307< / span > < / div >
< div class = "line" > < a id = "l01308" name = "l01308" > < / a > < span class = "lineno" > 1308< / span > < span class = "comment" > // Figure out what solution we have.< / span > < / div >
< div class = "line" > < a id = "l01309" name = "l01309" > < / a > < span class = "lineno" > 1309< / span > < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > feasible = (mMip & & (xpressstat == XPRS_MIP_OPTIMAL ||< / div >
< div class = "line" > < a id = "l01310" name = "l01310" > < / a > < span class = "lineno" > 1310< / span > xpressstat == XPRS_MIP_SOLUTION)) ||< / div >
< div class = "line" > < a id = "l01311" name = "l01311" > < / a > < span class = "lineno" > 1311< / span > (!mMip & & xpressstat == XPRS_LP_OPTIMAL);< / div >
< div class = "line" > < a id = "l01312" name = "l01312" > < / a > < span class = "lineno" > 1312< / span > < / div >
< div class = "line" > < a id = "l01313" name = "l01313" > < / a > < span class = "lineno" > 1313< / span > < span class = "comment" > // Get problem dimensions for solution queries below.< / span > < / div >
< div class = "line" > < a id = "l01314" name = "l01314" > < / a > < span class = "lineno" > 1314< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > rows = XPRSgetnumrows(mLp);< / div >
< div class = "line" > < a id = "l01315" name = "l01315" > < / a > < span class = "lineno" > 1315< / span > < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = XPRSgetnumcols(mLp);< / div >
< div class = "line" > < a id = "l01316" name = "l01316" > < / a > < span class = "lineno" > 1316< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (rows, solver_-> constraints_.size());< / div >
< div class = "line" > < a id = "l01317" name = "l01317" > < / a > < span class = "lineno" > 1317< / span > < a class = "code hl_define" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (cols, solver_-> variables_.size());< / div >
< div class = "line" > < a id = "l01318" name = "l01318" > < / a > < span class = "lineno" > 1318< / span > < / div >
< div class = "line" > < a id = "l01319" name = "l01319" > < / a > < span class = "lineno" > 1319< / span > < span class = "comment" > // Capture objective function value.< / span > < / div >
< div class = "line" > < a id = "l01320" name = "l01320" > < / a > < span class = "lineno" > 1320< / span > objective_value_ = XPRS_NAN;< / div >
< div class = "line" > < a id = "l01321" name = "l01321" > < / a > < span class = "lineno" > 1321< / span > best_objective_bound_ = XPRS_NAN;< / div >
< div class = "line" > < a id = "l01322" name = "l01322" > < / a > < span class = "lineno" > 1322< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01323" name = "l01323" > < / a > < span class = "lineno" > 1323< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l01324" name = "l01324" > < / a > < span class = "lineno" > 1324< / span > CHECK_STATUS(XPRSgetdblattrib(mLp, XPRS_MIPOBJVAL, & objective_value_));< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l01325" name = "l01325" > < / a > < span class = "lineno" > 1325< / span > CHECK_STATUS(< / div >
< div class = "line" > < a id = "l01326" name = "l01326" > < / a > < span class = "lineno" > 1326< / span > XPRSgetdblattrib(mLp, XPRS_BESTBOUND, & best_objective_bound_));< / div >
< div class = "line" > < a id = "l01327" name = "l01327" > < / a > < span class = "lineno" > 1327< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01328" name = "l01328" > < / a > < span class = "lineno" > 1328< / span > CHECK_STATUS(XPRSgetdblattrib(mLp, XPRS_LPOBJVAL, & objective_value_));< / div >
< div class = "line" > < a id = "l01329" name = "l01329" > < / a > < span class = "lineno" > 1329< / span > }< / div >
< div class = "line" > < a id = "l01330" name = "l01330" > < / a > < span class = "lineno" > 1330< / span > }< / div >
< div class = "line" > < a id = "l01331" name = "l01331" > < / a > < span class = "lineno" > 1331< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " objective=" < / span > < < objective_value_< / div >
< div class = "line" > < a id = "l01332" name = "l01332" > < / a > < span class = "lineno" > 1332< / span > < < < span class = "stringliteral" > " , bound=" < / span > < < best_objective_bound_;< / div >
< div class = "line" > < a id = "l01333" name = "l01333" > < / a > < span class = "lineno" > 1333< / span > < / div >
< div class = "line" > < a id = "l01334" name = "l01334" > < / a > < span class = "lineno" > 1334< / span > < span class = "comment" > // Capture primal and dual solutions< / span > < / div >
< div class = "line" > < a id = "l01335" name = "l01335" > < / a > < span class = "lineno" > 1335< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l01336" name = "l01336" > < / a > < span class = "lineno" > 1336< / span > < span class = "comment" > // If there is a primal feasible solution then capture it.< / span > < / div >
< div class = "line" > < a id = "l01337" name = "l01337" > < / a > < span class = "lineno" > 1337< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01338" name = "l01338" > < / a > < span class = "lineno" > 1338< / span > < span class = "keywordflow" > if< / span > (cols > 0) {< / div >
< div class = "line" > < a id = "l01339" name = "l01339" > < / a > < span class = "lineno" > 1339< / span > unique_ptr< double[]> x(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l01340" name = "l01340" > < / a > < span class = "lineno" > 1340< / span > CHECK_STATUS(XPRSgetmipsol(mLp, x.get(), 0));< / div >
< div class = "line" > < a id = "l01341" name = "l01341" > < / a > < span class = "lineno" > 1341< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i) {< / div >
< div class = "line" > < a id = "l01342" name = "l01342" > < / a > < span class = "lineno" > 1342< / span > MPVariable* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[i];< / div >
< div class = "line" > < a id = "l01343" name = "l01343" > < / a > < span class = "lineno" > 1343< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
< div class = "line" > < a id = "l01344" name = "l01344" > < / a > < span class = "lineno" > 1344< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (3) < < < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name() < < < span class = "stringliteral" > " : value =" < / span > < < x[i];< / div >
< div class = "line" > < a id = "l01345" name = "l01345" > < / a > < span class = "lineno" > 1345< / span > }< / div >
< div class = "line" > < a id = "l01346" name = "l01346" > < / a > < span class = "lineno" > 1346< / span > }< / div >
< div class = "line" > < a id = "l01347" name = "l01347" > < / a > < span class = "lineno" > 1347< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01348" name = "l01348" > < / a > < span class = "lineno" > 1348< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i)< / div >
< div class = "line" > < a id = "l01349" name = "l01349" > < / a > < span class = "lineno" > 1349< / span > solver_-> variables_[i]-> set_solution_value(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01350" name = "l01350" > < / a > < span class = "lineno" > 1350< / span > }< / div >
< div class = "line" > < a id = "l01351" name = "l01351" > < / a > < span class = "lineno" > 1351< / span > < / div >
< div class = "line" > < a id = "l01352" name = "l01352" > < / a > < span class = "lineno" > 1352< / span > < span class = "comment" > // MIP does not have duals< / span > < / div >
< div class = "line" > < a id = "l01353" name = "l01353" > < / a > < span class = "lineno" > 1353< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i)< / div >
< div class = "line" > < a id = "l01354" name = "l01354" > < / a > < span class = "lineno" > 1354< / span > solver_-> variables_[i]-> set_reduced_cost(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01355" name = "l01355" > < / a > < span class = "lineno" > 1355< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> constraints_.size(); ++i)< / div >
< div class = "line" > < a id = "l01356" name = "l01356" > < / a > < span class = "lineno" > 1356< / span > solver_-> constraints_[i]-> set_dual_value(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01357" name = "l01357" > < / a > < span class = "lineno" > 1357< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01358" name = "l01358" > < / a > < span class = "lineno" > 1358< / span > < span class = "comment" > // Continuous problem.< / span > < / div >
< div class = "line" > < a id = "l01359" name = "l01359" > < / a > < span class = "lineno" > 1359< / span > < span class = "keywordflow" > if< / span > (cols > 0) {< / div >
< div class = "line" > < a id = "l01360" name = "l01360" > < / a > < span class = "lineno" > 1360< / span > unique_ptr< double[]> x(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l01361" name = "l01361" > < / a > < span class = "lineno" > 1361< / span > unique_ptr< double[]> dj(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a id = "l01362" name = "l01362" > < / a > < span class = "lineno" > 1362< / span > < span class = "keywordflow" > if< / span > (feasible) CHECK_STATUS(XPRSgetlpsol(mLp, x.get(), 0, 0, dj.get()));< / div >
< div class = "line" > < a id = "l01363" name = "l01363" > < / a > < span class = "lineno" > 1363< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i) {< / div >
< div class = "line" > < a id = "l01364" name = "l01364" > < / a > < span class = "lineno" > 1364< / span > MPVariable* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[i];< / div >
< div class = "line" > < a id = "l01365" name = "l01365" > < / a > < span class = "lineno" > 1365< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
< div class = "line" > < a id = "l01366" name = "l01366" > < / a > < span class = "lineno" > 1366< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = < span class = "keyword" > false< / span > , dual = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01367" name = "l01367" > < / a > < span class = "lineno" > 1367< / span > < / div >
< div class = "line" > < a id = "l01368" name = "l01368" > < / a > < span class = "lineno" > 1368< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01369" name = "l01369" > < / a > < span class = "lineno" > 1369< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
< div class = "line" > < a id = "l01370" name = "l01370" > < / a > < span class = "lineno" > 1370< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l01371" name = "l01371" > < / a > < span class = "lineno" > 1371< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01372" name = "l01372" > < / a > < span class = "lineno" > 1372< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01373" name = "l01373" > < / a > < span class = "lineno" > 1373< / span > }< / div >
< div class = "line" > < a id = "l01374" name = "l01374" > < / a > < span class = "lineno" > 1374< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01375" name = "l01375" > < / a > < span class = "lineno" > 1375< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_reduced_cost(dj[i]);< / div >
< div class = "line" > < a id = "l01376" name = "l01376" > < / a > < span class = "lineno" > 1376< / span > dual = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l01377" name = "l01377" > < / a > < span class = "lineno" > 1377< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01378" name = "l01378" > < / a > < span class = "lineno" > 1378< / span > < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_reduced_cost(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01379" name = "l01379" > < / a > < span class = "lineno" > 1379< / span > }< / div >
< div class = "line" > < a id = "l01380" name = "l01380" > < / a > < span class = "lineno" > 1380< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (3) < < < a class = "code hl_variable" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name() < < < span class = "stringliteral" > " :" < / span > < / div >
< div class = "line" > < a id = "l01381" name = "l01381" > < / a > < span class = "lineno" > 1381< / span > < < (< a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ? absl::StrFormat(< span class = "stringliteral" > " value = %f" < / span > , x[i]) : < span class = "stringliteral" > " " < / span > )< / div >
< div class = "line" > < a id = "l01382" name = "l01382" > < / a > < span class = "lineno" > 1382< / span > < < (dual ? < a class = "code hl_namespace" href = "namespaceabsl.html" > absl< / a > ::StrFormat(< span class = "stringliteral" > " reduced cost = %f" < / span > , dj[i]) : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a id = "l01383" name = "l01383" > < / a > < span class = "lineno" > 1383< / span > }< / div >
< div class = "line" > < a id = "l01384" name = "l01384" > < / a > < span class = "lineno" > 1384< / span > }< / div >
< div class = "line" > < a id = "l01385" name = "l01385" > < / a > < span class = "lineno" > 1385< / span > < / div >
< div class = "line" > < a id = "l01386" name = "l01386" > < / a > < span class = "lineno" > 1386< / span > < span class = "keywordflow" > if< / span > (rows > 0) {< / div >
< div class = "line" > < a id = "l01387" name = "l01387" > < / a > < span class = "lineno" > 1387< / span > unique_ptr< double[]> pi(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [rows]);< / div >
< div class = "line" > < a id = "l01388" name = "l01388" > < / a > < span class = "lineno" > 1388< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01389" name = "l01389" > < / a > < span class = "lineno" > 1389< / span > CHECK_STATUS(XPRSgetlpsol(mLp, 0, 0, pi.get(), 0));< / div >
< div class = "line" > < a id = "l01390" name = "l01390" > < / a > < span class = "lineno" > 1390< / span > }< / div >
< div class = "line" > < a id = "l01391" name = "l01391" > < / a > < span class = "lineno" > 1391< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> constraints_.size(); ++i) {< / div >
< div class = "line" > < a id = "l01392" name = "l01392" > < / a > < span class = "lineno" > 1392< / span > MPConstraint* < span class = "keyword" > const< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a id = "l01393" name = "l01393" > < / a > < span class = "lineno" > 1393< / span > < span class = "keywordtype" > bool< / span > dual = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a id = "l01394" name = "l01394" > < / a > < span class = "lineno" > 1394< / span > < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a id = "l01395" name = "l01395" > < / a > < span class = "lineno" > 1395< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> set_dual_value(pi[i]);< / div >
< div class = "line" > < a id = "l01396" name = "l01396" > < / a > < span class = "lineno" > 1396< / span > dual = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l01397" name = "l01397" > < / a > < span class = "lineno" > 1397< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01398" name = "l01398" > < / a > < span class = "lineno" > 1398< / span > < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> set_dual_value(XPRS_NAN);< / div >
< div class = "line" > < a id = "l01399" name = "l01399" > < / a > < span class = "lineno" > 1399< / span > }< / div >
< div class = "line" > < a id = "l01400" name = "l01400" > < / a > < span class = "lineno" > 1400< / span > < a class = "code hl_define" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (4) < < < span class = "stringliteral" > " row " < / span > < < < a class = "code hl_variable" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index() < < < span class = "stringliteral" > " :" < / span > < / div >
< div class = "line" > < a id = "l01401" name = "l01401" > < / a > < span class = "lineno" > 1401< / span > < < (dual ? absl::StrFormat(< span class = "stringliteral" > " dual = %f" < / span > , pi[i]) : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a id = "l01402" name = "l01402" > < / a > < span class = "lineno" > 1402< / span > }< / div >
< div class = "line" > < a id = "l01403" name = "l01403" > < / a > < span class = "lineno" > 1403< / span > }< / div >
< div class = "line" > < a id = "l01404" name = "l01404" > < / a > < span class = "lineno" > 1404< / span > }< / div >
< div class = "line" > < a id = "l01405" name = "l01405" > < / a > < span class = "lineno" > 1405< / span > < / div >
< div class = "line" > < a id = "l01406" name = "l01406" > < / a > < span class = "lineno" > 1406< / span > < span class = "comment" > // Map XPRESS status to more generic solution status in MPSolver< / span > < / div >
< div class = "line" > < a id = "l01407" name = "l01407" > < / a > < span class = "lineno" > 1407< / span > < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a id = "l01408" name = "l01408" > < / a > < span class = "lineno" > 1408< / span > < span class = "keywordflow" > switch< / span > (xpressstat) {< / div >
< div class = "line" > < a id = "l01409" name = "l01409" > < / a > < span class = "lineno" > 1409< / span > < span class = "keywordflow" > case< / span > XPRS_MIP_OPTIMAL:< / div >
< div class = "line" > < a id = "l01410" name = "l01410" > < / a > < span class = "lineno" > 1410< / span > result_status_ = MPSolver::OPTIMAL;< / div >
< div class = "line" > < a id = "l01411" name = "l01411" > < / a > < span class = "lineno" > 1411< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01412" name = "l01412" > < / a > < span class = "lineno" > 1412< / span > < span class = "keywordflow" > case< / span > XPRS_MIP_INFEAS:< / div >
< div class = "line" > < a id = "l01413" name = "l01413" > < / a > < span class = "lineno" > 1413< / span > result_status_ = MPSolver::INFEASIBLE;< / div >
< div class = "line" > < a id = "l01414" name = "l01414" > < / a > < span class = "lineno" > 1414< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01415" name = "l01415" > < / a > < span class = "lineno" > 1415< / span > < span class = "keywordflow" > case< / span > XPRS_MIP_UNBOUNDED:< / div >
< div class = "line" > < a id = "l01416" name = "l01416" > < / a > < span class = "lineno" > 1416< / span > result_status_ = MPSolver::UNBOUNDED;< / div >
< div class = "line" > < a id = "l01417" name = "l01417" > < / a > < span class = "lineno" > 1417< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01418" name = "l01418" > < / a > < span class = "lineno" > 1418< / span > < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a id = "l01419" name = "l01419" > < / a > < span class = "lineno" > 1419< / span > result_status_ = feasible ? MPSolver::FEASIBLE : MPSolver::ABNORMAL;< / div >
< div class = "line" > < a id = "l01420" name = "l01420" > < / a > < span class = "lineno" > 1420< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01421" name = "l01421" > < / a > < span class = "lineno" > 1421< / span > }< / div >
< div class = "line" > < a id = "l01422" name = "l01422" > < / a > < span class = "lineno" > 1422< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l01423" name = "l01423" > < / a > < span class = "lineno" > 1423< / span > < span class = "keywordflow" > switch< / span > (xpressstat) {< / div >
< div class = "line" > < a id = "l01424" name = "l01424" > < / a > < span class = "lineno" > 1424< / span > < span class = "keywordflow" > case< / span > XPRS_LP_OPTIMAL:< / div >
< div class = "line" > < a id = "l01425" name = "l01425" > < / a > < span class = "lineno" > 1425< / span > result_status_ = MPSolver::OPTIMAL;< / div >
< div class = "line" > < a id = "l01426" name = "l01426" > < / a > < span class = "lineno" > 1426< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01427" name = "l01427" > < / a > < span class = "lineno" > 1427< / span > < span class = "keywordflow" > case< / span > XPRS_LP_INFEAS:< / div >
< div class = "line" > < a id = "l01428" name = "l01428" > < / a > < span class = "lineno" > 1428< / span > result_status_ = MPSolver::INFEASIBLE;< / div >
< div class = "line" > < a id = "l01429" name = "l01429" > < / a > < span class = "lineno" > 1429< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01430" name = "l01430" > < / a > < span class = "lineno" > 1430< / span > < span class = "keywordflow" > case< / span > XPRS_LP_UNBOUNDED:< / div >
< div class = "line" > < a id = "l01431" name = "l01431" > < / a > < span class = "lineno" > 1431< / span > result_status_ = MPSolver::UNBOUNDED;< / div >
< div class = "line" > < a id = "l01432" name = "l01432" > < / a > < span class = "lineno" > 1432< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01433" name = "l01433" > < / a > < span class = "lineno" > 1433< / span > < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a id = "l01434" name = "l01434" > < / a > < span class = "lineno" > 1434< / span > result_status_ = feasible ? MPSolver::FEASIBLE : MPSolver::ABNORMAL;< / div >
< div class = "line" > < a id = "l01435" name = "l01435" > < / a > < span class = "lineno" > 1435< / span > < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a id = "l01436" name = "l01436" > < / a > < span class = "lineno" > 1436< / span > }< / div >
< div class = "line" > < a id = "l01437" name = "l01437" > < / a > < span class = "lineno" > 1437< / span > }< / div >
< div class = "line" > < a id = "l01438" name = "l01438" > < / a > < span class = "lineno" > 1438< / span > < / div >
< div class = "line" > < a id = "l01439" name = "l01439" > < / a > < span class = "lineno" > 1439< / span > sync_status_ = SOLUTION_SYNCHRONIZED;< / div >
< div class = "line" > < a id = "l01440" name = "l01440" > < / a > < span class = "lineno" > 1440< / span > < span class = "keywordflow" > return< / span > result_status_;< / div >
< div class = "line" > < a id = "l01441" name = "l01441" > < / a > < span class = "lineno" > 1441< / span > }< / div >
< div class = "line" > < a id = "l01442" name = "l01442" > < / a > < span class = "lineno" > 1442< / span > < / div >
< div class = "line" > < a id = "l01443" name = "l01443" > < / a > < span class = "lineno" > 1443< / span > MPSolverInterface* BuildXpressInterface(< span class = "keywordtype" > bool< / span > mip, MPSolver* < span class = "keyword" > const< / span > solver) {< / div >
< div class = "line" > < a id = "l01444" name = "l01444" > < / a > < span class = "lineno" > 1444< / span > < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > XpressInterface(solver, mip);< / div >
< div class = "line" > < a id = "l01445" name = "l01445" > < / a > < span class = "lineno" > 1445< / span > }< / div >
< div class = "line" > < a id = "l01446" name = "l01446" > < / a > < span class = "lineno" > 1446< / span > < / div >
< div class = "line" > < a id = "l01447" name = "l01447" > < / a > < span class = "lineno" > 1447< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l01448" name = "l01448" > < / a > < span class = "lineno" > 1448< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // #if defined(USE_XPRESS)< / span > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_a3e1cfef60e774a81f30eaddf26a3a274" > < div class = "ttname" > < a href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > < / div > < div class = "ttdeci" > #define CHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00495" > base/logging.h:495< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_a4395e95bab44e222cb2e77251017a0e2" > < div class = "ttname" > < a href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > < / div > < div class = "ttdeci" > #define DCHECK_LE(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00893" > base/logging.h:893< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab4f56aa24c4c9cddc47a6abd2d747f9a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > < / div > < div class = "ttdeci" > #define DCHECK_GT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00896" > base/logging.h:896< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ab62f5ed8f2d48e29802be0cbbcd1359a" > < div class = "ttname" > < a href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > < / div > < div class = "ttdeci" > #define DCHECK_LT(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00894" > base/logging.h:894< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "abase_2logging_8h_html_accad43a85d781d53381cd53a9894b6ae" > < div class = "ttname" > < a href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > < / div > < div class = "ttdeci" > #define LOG(severity)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00420" > base/logging.h:420< / a > < / div > < / div >
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< div class = "ttc" id = "abase_2logging_8h_html_ae17f8119c108cf3070bad3449c7e0006" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > < / div > < div class = "ttdeci" > #define DCHECK(condition)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00890" > base/logging.h:890< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_ae89df3243bbb8341130c7b3f44145ea0" > < div class = "ttname" > < a href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > < / div > < div class = "ttdeci" > #define DCHECK_EQ(val1, val2)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00891" > base/logging.h:891< / a > < / div > < / div >
< div class = "ttc" id = "abase_2logging_8h_html_afcaa7cadd41741bb855c2ada1d2ef927" > < div class = "ttname" > < a href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > < / div > < div class = "ttdeci" > #define VLOG(verboselevel)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "base_2logging_8h_source.html#l00984" > base/logging.h:984< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "aclass_wall_timer_html" > < div class = "ttname" > < a href = "class_wall_timer.html" > WallTimer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00023" > timer.h:23< / a > < / div > < / div >
< div class = "ttc" id = "aclass_wall_timer_html_a07aaf1227e4d645f15e0a964f54ef291" > < div class = "ttname" > < a href = "class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291" > WallTimer::Start< / a > < / div > < div class = "ttdeci" > void Start()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00031" > timer.h:31< / a > < / div > < / div >
< div class = "ttc" id = "aclass_wall_timer_html_a6bdbb9a2345c126ae0d72b1e2a9a21d5" > < div class = "ttname" > < a href = "class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5" > WallTimer::Restart< / a > < / div > < div class = "ttdeci" > void Restart()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00035" > timer.h:35< / a > < / div > < / div >
< div class = "ttc" id = "aclass_wall_timer_html_aec56fe080959ecebec3feaed9dafde84" > < div class = "ttname" > < a href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > WallTimer::Get< / a > < / div > < div class = "ttdeci" > double Get() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "timer_8h_source.html#l00045" > timer.h:45< / a > < / div > < / div >
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< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_a573d479910e373f5d771d303e440587d" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > operations_research::MPSolver::ResultStatus< / a > < / div > < div class = "ttdeci" > ResultStatus< / div > < div class = "ttdoc" > The status of solving the problem.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00442" > linear_solver.h:442< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_m_p_solver_html_afd922eb2bef96597c426557a8056f76d" > < div class = "ttname" > < a href = "classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d" > operations_research::MPSolver::BasisStatus< / a > < / div > < div class = "ttdeci" > BasisStatus< / div > < div class = "ttdoc" > Advanced usage: possible basis status values for a variable and the slack variable of a linear constr...< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "linear__solver_8h_source.html#l00677" > linear_solver.h:677< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "adefault__search_8cc_html_ac673bc430bdc3fdaa09f7becf98ef267" > < div class = "ttname" > < a href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > < / div > < div class = "ttdeci" > const std::string name< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "default__search_8cc_source.html#l00813" > default_search.cc:813< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_a05da18ca9c7b657a4a6ea24e07c9b695" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > < / div > < div class = "ttdeci" > const Constraint * ct< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00043" > demon_profiler.cc:43< / a > < / div > < / div >
< div class = "ttc" id = "ademon__profiler_8cc_html_ac072af30c4ffbc834bb4c681f6ecb514" > < div class = "ttname" > < a href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > < / div > < div class = "ttdeci" > int64_t value< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "demon__profiler_8cc_source.html#l00044" > demon_profiler.cc:44< / a > < / div > < / div >
< div class = "ttc" id = "aexpr__array_8cc_html_a472a99923cbe11ae7b5a5d157d9ad465" > < div class = "ttname" > < a href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > < / div > < div class = "ttdeci" > IntVar * var< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "expr__array_8cc_source.html#l01874" > expr_array.cc:1874< / a > < / div > < / div >
< div class = "ttc" id = "ag__gurobi_8cc_html_a2237393c7ae7ad7344c9885066d5ab6d" > < div class = "ttname" > < a href = "g__gurobi_8cc.html#a2237393c7ae7ad7344c9885066d5ab6d" > status< / a > < / div > < div class = "ttdeci" > absl::Status status< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "g__gurobi_8cc_source.html#l00035" > g_gurobi.cc:35< / a > < / div > < / div >
< div class = "ttc" id = "aintegral__types_8h_html" > < div class = "ttname" > < a href = "integral__types_8h.html" > integral_types.h< / a > < / div > < / div >
< div class = "ttc" id = "alinear__solver_8h_html" > < div class = "ttname" > < a href = "linear__solver_8h.html" > linear_solver.h< / a > < / div > < div class = "ttdoc" > A C++ wrapper that provides a simple and unified interface to several linear programming and mixed in...< / div > < / div >
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< div class = "ttc" id = "alocal__search_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "local__search_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "local__search_8cc_source.html#l02750" > local_search.cc:2750< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "alog__severity_8h_html_a50e5762f38854b37ee3e2851bc1bb0e7" > < div class = "ttname" > < a href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > < / div > < div class = "ttdeci" > const int WARNING< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "log__severity_8h_source.html#l00031" > log_severity.h:31< / a > < / div > < / div >
< div class = "ttc" id = "alog__severity_8h_html_acdd38e3c9f22f127d7776920e3079eda" > < div class = "ttname" > < a href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > < / div > < div class = "ttdeci" > const int FATAL< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "log__severity_8h_source.html#l00032" > log_severity.h:32< / a > < / div > < / div >
< div class = "ttc" id = "amarkowitz_8cc_html_aa9d6c98fdf8d89b0e2321fda02adc82c" > < div class = "ttname" > < a href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > < / div > < div class = "ttdeci" > ColIndex col< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "markowitz_8cc_source.html#l00183" > markowitz.cc:183< / a > < / div > < / div >
< div class = "ttc" id = "amarkowitz_8cc_html_aea35f36ba98d5bbd8d033382f50c9e52" > < div class = "ttname" > < a href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > < / div > < div class = "ttdeci" > RowIndex row< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "markowitz_8cc_source.html#l00182" > markowitz.cc:182< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceabsl_html" > < div class = "ttname" > < a href = "namespaceabsl.html" > absl< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cleanup_8h_source.html#l00022" > cleanup.h:22< / a > < / div > < / div >
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< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_a5767ee23f380e72488d3c7ebf2d742b1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#a5767ee23f380e72488d3c7ebf2d742b1" > operations_research::math_opt::Solve< / a > < / div > < div class = "ttdeci" > absl::StatusOr< SolveResult > Solve(const Model & model, const SolverType solver_type, const SolveArguments & solve_args, const SolverInitArguments & init_args)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solve_8cc_source.html#l00094" > solve.cc:94< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1math__opt_html_a5c12f31ca91b1412d51fd5fa6f82e684" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1math__opt.html#a5c12f31ca91b1412d51fd5fa6f82e684" > operations_research::math_opt::BasisStatus< / a > < / div > < div class = "ttdeci" > BasisStatus< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "solution_8h_source.html#l00047" > solution.h:47< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "anamespaceoperations__research_html" > < div class = "ttname" > < a href = "namespaceoperations__research.html" > operations_research< / a > < / div > < div class = "ttdoc" > Collection of objects used to extend the Constraint Solver library.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dense__doubly__linked__list_8h_source.html#l00021" > dense_doubly_linked_list.h:21< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "arouting__filters_8cc_html_a8e4ee19dee0e00541dbe9bbc83d806ba" > < div class = "ttname" > < a href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > < / div > < div class = "ttdeci" > int64_t coefficient< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__filters_8cc_source.html#l00969" > routing_filters.cc:969< / a > < / div > < / div >
< div class = "ttc" id = "arouting__search_8cc_html_a6b7983ccd32c86cbbc3d4d9cda4cac17" > < div class = "ttname" > < a href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > < / div > < div class = "ttdeci" > int nodes< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "routing__search_8cc_source.html#l03997" > routing_search.cc:3997< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
< div class = "ttc" id = "asearch_8cc_html_a9648c36eafdd6183052aeec5bef2d8b2" > < div class = "ttname" > < a href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > < / div > < div class = "ttdeci" > const bool maximize_< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "search_8cc_source.html#l02559" > search.cc:2559< / a > < / div > < / div >
< div class = "ttc" id = "atimer_8h_html" > < div class = "ttname" > < a href = "timer_8h.html" > timer.h< / a > < / div > < / div >
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