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< a href = "variable__values_8h.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 2010-2021 Google LLC< / 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 = "preprocessor" > #ifndef OR_TOOLS_GLOP_VARIABLE_VALUES_H_< / span > < / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < span class = "preprocessor" > #define OR_TOOLS_GLOP_VARIABLE_VALUES_H_< / span > < / div >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > 16< / span > < / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "preprocessor" > #include " < a class = "code" href = "basis__representation_8h.html" > ortools/glop/basis_representation.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > < span class = "preprocessor" > #include " < a class = "code" href = "dual__edge__norms_8h.html" > ortools/glop/dual_edge_norms.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > < span class = "preprocessor" > #include " < a class = "code" href = "pricing_8h.html" > ortools/glop/pricing.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < span class = "preprocessor" > #include " < a class = "code" href = "variables__info_8h.html" > ortools/glop/variables_info.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "preprocessor" > #include " < a class = "code" href = "lp__types_8h.html" > ortools/lp_data/lp_types.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > 22< / span > < span class = "preprocessor" > #include " < a class = "code" href = "scattered__vector_8h.html" > ortools/lp_data/scattered_vector.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > 23< / span > < span class = "preprocessor" > #include " < a class = "code" href = "stats_8h.html" > ortools/util/stats.h< / a > " < / span > < / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "keyword" > namespace < / span > < a class = "code hl_namespace" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > 26< / span > < span class = "keyword" > namespace < / span > glop {< / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > < span class = "comment" > // Class holding all the variable values and responsible for updating them. The< / span > < / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < span class = "comment" > // variable values ' x' are such that ' A.x = 0' where A is the linear program< / span > < / div >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > 30< / span > < span class = "comment" > // matrix. This is because slack variables with bounds corresponding to the< / span > < / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "comment" > // constraints bounds were added to the linear program matrix A.< / span > < / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < span class = "comment" > // Some remarks:< / span > < / div >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > 34< / span > < span class = "comment" > // - For convenience, the variable values are stored in a DenseRow and indexed< / span > < / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "comment" > // by ColIndex, like the variables and the columns of A.< / span > < / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > < span class = "comment" > // - During the dual-simplex, all non-basic variable values are at their exact< / span > < / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > < span class = "comment" > // bounds or exactly at 0.0 for a free variable.< / span > < / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < span class = "comment" > // - During the primal-simplex, the non-basic variable values may not be exactly< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "comment" > // at their bounds because of bound-shifting during degenerate simplex< / span > < / div >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > 40< / span > < span class = "comment" > // pivoting which is implemented by not setting the variable values exactly at< / span > < / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > 41< / span > < span class = "comment" > // their bounds to have a lower primal residual error.< / span > < / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html" > 42< / a > < / span > < span class = "keyword" > class < / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_variable_values.html" > VariableValues< / a > {< / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "keyword" > public< / span > :< / div >
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< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > 44< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a99f06c2dfc34a574dc20ac1cd8b92abc" > VariableValues< / a > (< span class = "keyword" > const< / span > GlopParameters& < a class = "code hl_variable" href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > ,< / div >
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< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > CompactSparseMatrix< / a > & matrix,< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > RowToColMapping< / a > & basis,< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_variables_info.html" > VariablesInfo< / a > & variables_info,< / div >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > 48< / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_basis_factorization.html" > BasisFactorization< / a > & basis_factorization,< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_dual_edge_norms.html" > DualEdgeNorms< / a > * dual_edge_norms,< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > DynamicMaximum< RowIndex> < / a > * dual_prices);< / 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 = "comment" > // Getters for the variable values.< / span > < / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html#abb890abf1492b21ed7c136143541dd5a" > 53< / a > < / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#abb890abf1492b21ed7c136143541dd5a" > Get< / a > (ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > variable_values_[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ]; }< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html#aee882a95d5be1bcf8d0e422f8e1bb8b9" > 54< / a > < / span > < span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > & < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#aee882a95d5be1bcf8d0e422f8e1bb8b9" > GetDenseRow< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > variable_values_; }< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < / div >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > 56< / span > < span class = "comment" > // Sets the value of a non-basic variable to the exact value implied by its< / span > < / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > < span class = "comment" > // current status. Note that the basic variable values are NOT updated by this< / span > < / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "comment" > // function and it is up to the client to call RecomputeBasicVariableValues().< / span > < / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a102a587506447ec5cba544b93a1877e0" > SetNonBasicVariableValueFromStatus< / a > (ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > );< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > < / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < span class = "comment" > // Calls SetNonBasicVariableValueFromStatus() on all non-basic variables. We< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "comment" > // accept any size for free_initial_values, for columns col that are valid< / span > < / div >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > 63< / span > < span class = "comment" > // indices, free_initial_values[col] will be used instead of 0.0 for a free< / span > < / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > 64< / span > < span class = "comment" > // column. If free_initial_values is empty, then we have the default behavior< / span > < / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < span class = "comment" > // of starting at zero for all FREE variables.< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > 67< / span > < span class = "comment" > // Note(user): It is okay to always use the same value to reset a FREE< / span > < / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "comment" > // variable because as soon as a FREE variable value is modified, this< / span > < / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > < span class = "comment" > // variable shouldn' t be FREE anymore. It will either move to a bound or enter< / span > < / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < span class = "comment" > // the basis, these are the only options.< / span > < / div >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > 71< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a4ba3036005f4c90784c46bf01fa87159" > ResetAllNonBasicVariableValues< / a > (< span class = "keyword" > const< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > & free_initial_values);< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > < span class = "comment" > // Recomputes the value of the basic variables from the non-basic ones knowing< / span > < / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > < span class = "comment" > // that the linear program matrix A times the variable values vector must be< / span > < / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > < span class = "comment" > // zero. It is better to call this when the basis is refactorized. This< / span > < / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "comment" > // is checked in debug mode.< / span > < / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#acb1363c79bda24cb95a41b5550be61f6" > RecomputeBasicVariableValues< / a > ();< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < / div >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > 79< / span > < span class = "comment" > // Computes the infinity norm of A.x where A is the linear_program matrix and< / span > < / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > < span class = "comment" > // x is the variable values column.< / span > < / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#acc064869e181a9ad171a7b5044e9b454" > ComputeMaximumPrimalResidual< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > < / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > < span class = "comment" > // Computes the maximum bound error for all the variables, defined as the< / span > < / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < span class = "comment" > // distance of the current value of the variable to its interval< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "comment" > // [lower bound, upper bound]. The infeasibility is thus equal to 0.0 if the< / span > < / div >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > 86< / span > < span class = "comment" > // current value falls within the bounds, to the distance to lower_bound< / span > < / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > 87< / span > < span class = "comment" > // (resp. upper_bound), if the current value is below (resp. above)< / span > < / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < span class = "comment" > // lower_bound (resp. upper_bound).< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a198b526739f420eb0959c87c54e036b3" > ComputeMaximumPrimalInfeasibility< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > 90< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a2a25774dd025309a32b77d56a4586379" > ComputeSumOfPrimalInfeasibilities< / a > () < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > < span class = "comment" > // Updates the variable during a simplex pivot:< / span > < / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < span class = "comment" > // - step * direction is substracted from the basic variables value.< / span > < / div >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > 94< / span > < span class = "comment" > // - step is added to the entering column value.< / span > < / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a9808cfe964d67616b5775b0ab113b7aa" > UpdateOnPivoting< / a > (< span class = "keyword" > const< / span > < a class = "code hl_struct" href = "structoperations__research_1_1glop_1_1_scattered_column.html" > ScatteredColumn< / a > & direction, ColIndex entering_col,< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > step);< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > < / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > < span class = "comment" > // Batch version of SetNonBasicVariableValueFromStatus(). This function also< / span > < / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "comment" > // updates the basic variable values and infeasibility statuses if< / span > < / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > < span class = "comment" > // update_basic_variables is true. The update is done in an incremental way< / span > < / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < span class = "comment" > // and is thus more efficient than calling afterwards< / span > < / div >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > 102< / span > < span class = "comment" > // RecomputeBasicVariableValues() and RecomputeDualPrices().< / span > < / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a37d6b382d73531413bce6b5d63e624e9" > UpdateGivenNonBasicVariables< / a > (< span class = "keyword" > const< / span > std::vector< ColIndex> & cols_to_update,< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keywordtype" > bool< / span > update_basic_variables);< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > < / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > < span class = "comment" > // Functions dealing with the primal-infeasible basic variables. A basic< / span > < / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < span class = "comment" > // variable is primal-infeasible if its infeasibility is stricly greater than< / span > < / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "comment" > // the primal feasibility tolerance. These are exactly the dual " prices" and< / span > < / div >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > 109< / span > < span class = "comment" > // are just used during the dual simplex.< / span > < / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "comment" > // This information is only available after a call to RecomputeDualPrices()< / span > < / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > < span class = "comment" > // and has to be kept in sync by calling UpdateDualPrices() for the rows that< / span > < / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > < span class = "comment" > // changed values.< / span > < / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#acd27b30d01d0b9022796bf91abf40de0" > RecomputeDualPrices< / a > ();< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a624179d887d379119802066cad4c29e8" > UpdateDualPrices< / a > (< span class = "keyword" > const< / span > std::vector< RowIndex> & < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > );< / 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" > // The primal phase I objective is related to the primal infeasible< / span > < / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > < span class = "comment" > // information above. The cost of a basic column will be 1 if the variable is< / span > < / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > < span class = "comment" > // above its upper bound by strictly more than the primal tolerance, and -1 if< / span > < / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < span class = "comment" > // it is lower than its lower bound by strictly less than the same tolerance.< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "comment" > //< / span > < / div >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > 122< / span > < span class = "comment" > // Returns true iff some cost changed.< / span > < / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Rows> < / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#adb3b3b75495ee150a1fcc33e58656d22" > UpdatePrimalPhaseICosts< / a > (< span class = "keyword" > const< / span > Rows& rows, < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > * objective);< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "comment" > // Sets the variable value of a given column.< / span > < / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html#a0dd6aa4dbd67b1f7e715b2d6f64341b7" > 127< / a > < / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a0dd6aa4dbd67b1f7e715b2d6f64341b7" > Set< / a > (ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) { variable_values_[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] = < a class = "code hl_variable" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ; }< / 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 = "comment" > // Parameters and stats functions.< / span > < / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html#af9bc435481ae9e6e60d66a65d5394a7f" > 130< / a > < / span > std::string < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#af9bc435481ae9e6e60d66a65d5394a7f" > StatString< / a > ()< span class = "keyword" > const < / span > { < span class = "keywordflow" > return< / span > stats_.< a class = "code hl_function" href = "classoperations__research_1_1_stats_group.html#af9bc435481ae9e6e60d66a65d5394a7f" > StatString< / a > (); }< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > < / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > < span class = "comment" > // It is important that the infeasibility is always computed in the same< / span > < / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "comment" > // way. So the code should always use these functions that returns a positive< / span > < / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > < span class = "comment" > // value when the variable is out of bounds.< / span > < / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > GetUpperBoundInfeasibility(ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > < span class = "keywordflow" > return< / span > variable_values_[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] -< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > variables_info_.< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variables_info.html#ab93f3d12ceb27e391fb1785db7e56463" > GetVariableUpperBounds< / a > ()[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ];< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > }< / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > GetLowerBoundInfeasibility(ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > 141< / span > < span class = "keywordflow" > return< / span > variables_info_.< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variables_info.html#a3db14ab65240d00133a76abb5f4edf8c" > GetVariableLowerBounds< / a > ()[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] -< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > variable_values_[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ];< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > }< / 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" > // Input problem data.< / span > < / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > < span class = "keyword" > const< / span > GlopParameters& parameters_;< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "keyword" > const< / span > CompactSparseMatrix& matrix_;< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#ad73165f71f932e8ccc240d4db5097803" > RowToColMapping< / a > & basis_;< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > < span class = "keyword" > const< / span > VariablesInfo& variables_info_;< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > < span class = "keyword" > const< / span > BasisFactorization& basis_factorization_;< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > < / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < span class = "comment" > // The dual prices are a normalized version of the primal infeasibility.< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > DualEdgeNorms* dual_edge_norms_;< / div >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > 154< / span > DynamicMaximum< RowIndex> * dual_prices_;< / 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" > // Values of the variables.< / span > < / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12" > DenseRow< / a > variable_values_;< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > < / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > < span class = "keyword" > mutable< / span > StatsGroup stats_;< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > < span class = "keyword" > mutable< / span > ScatteredColumn scratchpad_;< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > < / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < span class = "comment" > // A temporary scattered column that is always reset to all zero after use.< / span > < / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > ScatteredColumn initially_all_zero_scratchpad_;< / 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 > DISALLOW_COPY_AND_ASSIGN(< a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#a99f06c2dfc34a574dc20ac1cd8b92abc" > VariableValues< / a > );< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > };< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > < / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > Rows> < / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > < a class = "line" href = "classoperations__research_1_1glop_1_1_variable_values.html#adb3b3b75495ee150a1fcc33e58656d22" > 169< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "classoperations__research_1_1glop_1_1_variable_values.html#adb3b3b75495ee150a1fcc33e58656d22" > VariableValues::UpdatePrimalPhaseICosts< / a > (< span class = "keyword" > const< / span > Rows& rows,< / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < a class = "code hl_class" href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > DenseRow< / a > * objective) {< / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < a class = "code hl_define" href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > (& stats_);< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "keywordtype" > bool< / span > changed = < span class = "keyword" > false< / span > ;< / div >
2022-03-04 00:11:33 +01:00
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keyword" > const< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > tolerance = parameters_.primal_feasibility_tolerance();< / div >
2022-01-17 21:42:14 +01:00
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "keywordflow" > for< / span > (< span class = "keyword" > const< / span > RowIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > : rows) {< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keyword" > const< / span > ColIndex < a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = basis_[< a class = "code hl_variable" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ];< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < a class = "code hl_typedef" href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > Fractional< / a > new_cost = 0.0;< / div >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > 177< / span > < span class = "keywordflow" > if< / span > (GetUpperBoundInfeasibility(< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ) > tolerance) {< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > new_cost = 1.0;< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (GetLowerBoundInfeasibility(< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ) > tolerance) {< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > new_cost = -1.0;< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > }< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > < span class = "keywordflow" > if< / span > (new_cost != (*objective)[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ]) {< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > changed = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > (*objective)[< a class = "code hl_variable" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ] = new_cost;< / 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 > }< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > < span class = "keywordflow" > return< / span > changed;< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > }< / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > } < span class = "comment" > // namespace glop< / span > < / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > } < span class = "comment" > // namespace operations_research< / span > < / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "preprocessor" > #endif < / span > < span class = "comment" > // OR_TOOLS_GLOP_VARIABLE_VALUES_H_< / span > < / div >
< div class = "ttc" id = "abasis__representation_8h_html" > < div class = "ttname" > < a href = "basis__representation_8h.html" > basis_representation.h< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1_stats_group_html_af9bc435481ae9e6e60d66a65d5394a7f" > < div class = "ttname" > < a href = "classoperations__research_1_1_stats_group.html#af9bc435481ae9e6e60d66a65d5394a7f" > operations_research::StatsGroup::StatString< / a > < / div > < div class = "ttdeci" > std::string StatString() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stats_8cc_source.html#l00071" > stats.cc:71< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_basis_factorization_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_basis_factorization.html" > operations_research::glop::BasisFactorization< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "basis__representation_8h_source.html#l00151" > basis_representation.h:151< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_compact_sparse_matrix_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_compact_sparse_matrix.html" > operations_research::glop::CompactSparseMatrix< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "sparse_8h_source.html#l00289" > sparse.h:289< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dual_edge_norms_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dual_edge_norms.html" > operations_research::glop::DualEdgeNorms< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "dual__edge__norms_8h_source.html#l00047" > dual_edge_norms.h:47< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_dynamic_maximum_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_dynamic_maximum.html" > operations_research::glop::DynamicMaximum< RowIndex > < / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_strict_i_t_i_vector_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_strict_i_t_i_vector.html" > operations_research::glop::StrictITIVector< RowIndex, ColIndex > < / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html" > operations_research::glop::VariableValues< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00042" > variable_values.h:42< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a0dd6aa4dbd67b1f7e715b2d6f64341b7" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a0dd6aa4dbd67b1f7e715b2d6f64341b7" > operations_research::glop::VariableValues::Set< / a > < / div > < div class = "ttdeci" > void Set(ColIndex col, Fractional value)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00127" > variable_values.h:127< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a102a587506447ec5cba544b93a1877e0" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a102a587506447ec5cba544b93a1877e0" > operations_research::glop::VariableValues::SetNonBasicVariableValueFromStatus< / a > < / div > < div class = "ttdeci" > void SetNonBasicVariableValueFromStatus(ColIndex col)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00038" > variable_values.cc:38< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a198b526739f420eb0959c87c54e036b3" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a198b526739f420eb0959c87c54e036b3" > operations_research::glop::VariableValues::ComputeMaximumPrimalInfeasibility< / a > < / div > < div class = "ttdeci" > Fractional ComputeMaximumPrimalInfeasibility() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00128" > variable_values.cc:128< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a2a25774dd025309a32b77d56a4586379" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a2a25774dd025309a32b77d56a4586379" > operations_research::glop::VariableValues::ComputeSumOfPrimalInfeasibilities< / a > < / div > < div class = "ttdeci" > Fractional ComputeSumOfPrimalInfeasibilities() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00140" > variable_values.cc:140< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a37d6b382d73531413bce6b5d63e624e9" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a37d6b382d73531413bce6b5d63e624e9" > operations_research::glop::VariableValues::UpdateGivenNonBasicVariables< / a > < / div > < div class = "ttdeci" > void UpdateGivenNonBasicVariables(const std::vector< ColIndex > & cols_to_update, bool update_basic_variables)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00175" > variable_values.cc:175< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a4ba3036005f4c90784c46bf01fa87159" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a4ba3036005f4c90784c46bf01fa87159" > operations_research::glop::VariableValues::ResetAllNonBasicVariableValues< / a > < / div > < div class = "ttdeci" > void ResetAllNonBasicVariableValues(const DenseRow & free_initial_values)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00070" > variable_values.cc:70< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a624179d887d379119802066cad4c29e8" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a624179d887d379119802066cad4c29e8" > operations_research::glop::VariableValues::UpdateDualPrices< / a > < / div > < div class = "ttdeci" > void UpdateDualPrices(const std::vector< RowIndex > & row)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00244" > variable_values.cc:244< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a9808cfe964d67616b5775b0ab113b7aa" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a9808cfe964d67616b5775b0ab113b7aa" > operations_research::glop::VariableValues::UpdateOnPivoting< / a > < / div > < div class = "ttdeci" > void UpdateOnPivoting(const ScatteredColumn & direction, ColIndex entering_col, Fractional step)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00152" > variable_values.cc:152< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_a99f06c2dfc34a574dc20ac1cd8b92abc" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#a99f06c2dfc34a574dc20ac1cd8b92abc" > operations_research::glop::VariableValues::VariableValues< / a > < / div > < div class = "ttdeci" > VariableValues(const GlopParameters & parameters, const CompactSparseMatrix & matrix, const RowToColMapping & basis, const VariablesInfo & variables_info, const BasisFactorization & basis_factorization, DualEdgeNorms *dual_edge_norms, DynamicMaximum< RowIndex > *dual_prices)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00022" > variable_values.cc:22< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_abb890abf1492b21ed7c136143541dd5a" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#abb890abf1492b21ed7c136143541dd5a" > operations_research::glop::VariableValues::Get< / a > < / div > < div class = "ttdeci" > const Fractional Get(ColIndex col) const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00053" > variable_values.h:53< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_acb1363c79bda24cb95a41b5550be61f6" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#acb1363c79bda24cb95a41b5550be61f6" > operations_research::glop::VariableValues::RecomputeBasicVariableValues< / a > < / div > < div class = "ttdeci" > void RecomputeBasicVariableValues()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00097" > variable_values.cc:97< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_acc064869e181a9ad171a7b5044e9b454" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#acc064869e181a9ad171a7b5044e9b454" > operations_research::glop::VariableValues::ComputeMaximumPrimalResidual< / a > < / div > < div class = "ttdeci" > Fractional ComputeMaximumPrimalResidual() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00116" > variable_values.cc:116< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_acd27b30d01d0b9022796bf91abf40de0" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#acd27b30d01d0b9022796bf91abf40de0" > operations_research::glop::VariableValues::RecomputeDualPrices< / a > < / div > < div class = "ttdeci" > void RecomputeDualPrices()< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8cc_source.html#l00225" > variable_values.cc:225< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_adb3b3b75495ee150a1fcc33e58656d22" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#adb3b3b75495ee150a1fcc33e58656d22" > operations_research::glop::VariableValues::UpdatePrimalPhaseICosts< / a > < / div > < div class = "ttdeci" > bool UpdatePrimalPhaseICosts(const Rows & rows, DenseRow *objective)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00169" > variable_values.h:169< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_aee882a95d5be1bcf8d0e422f8e1bb8b9" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#aee882a95d5be1bcf8d0e422f8e1bb8b9" > operations_research::glop::VariableValues::GetDenseRow< / a > < / div > < div class = "ttdeci" > const DenseRow & GetDenseRow() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00054" > variable_values.h:54< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variable_values_html_af9bc435481ae9e6e60d66a65d5394a7f" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variable_values.html#af9bc435481ae9e6e60d66a65d5394a7f" > operations_research::glop::VariableValues::StatString< / a > < / div > < div class = "ttdeci" > std::string StatString() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variable__values_8h_source.html#l00130" > variable_values.h:130< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html" > operations_research::glop::VariablesInfo< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8h_source.html#l00055" > variables_info.h:55< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html_a3db14ab65240d00133a76abb5f4edf8c" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html#a3db14ab65240d00133a76abb5f4edf8c" > operations_research::glop::VariablesInfo::GetVariableLowerBounds< / a > < / div > < div class = "ttdeci" > const DenseRow & GetVariableLowerBounds() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8h_source.html#l00127" > variables_info.h:127< / a > < / div > < / div >
< div class = "ttc" id = "aclassoperations__research_1_1glop_1_1_variables_info_html_ab93f3d12ceb27e391fb1785db7e56463" > < div class = "ttname" > < a href = "classoperations__research_1_1glop_1_1_variables_info.html#ab93f3d12ceb27e391fb1785db7e56463" > operations_research::glop::VariablesInfo::GetVariableUpperBounds< / a > < / div > < div class = "ttdeci" > const DenseRow & GetVariableUpperBounds() const< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "variables__info_8h_source.html#l00128" > variables_info.h:128< / a > < / div > < / div >
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< div class = "ttc" id = "acp__model__fz__solver_8cc_html_a10a1eab179b472c030bdc2a2efef7219" > < div class = "ttname" > < a href = "cp__model__fz__solver_8cc.html#a10a1eab179b472c030bdc2a2efef7219" > parameters< / a > < / div > < div class = "ttdeci" > SatParameters parameters< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__fz__solver_8cc_source.html#l00119" > cp_model_fz_solver.cc:119< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
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< 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 = "anamespaceoperations__research_1_1glop_html_a4dc8ae0f97c4110f3cc770715b2bbd12" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a4dc8ae0f97c4110f3cc770715b2bbd12" > operations_research::glop::DenseRow< / a > < / div > < div class = "ttdeci" > StrictITIVector< ColIndex, Fractional > DenseRow< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00303" > lp_types.h:303< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_a733947145e3e1631165b618b05c9ccb7" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#a733947145e3e1631165b618b05c9ccb7" > operations_research::glop::Fractional< / a > < / div > < div class = "ttdeci" > double Fractional< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00078" > lp_types.h:78< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1glop_html_ad73165f71f932e8ccc240d4db5097803" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1glop.html#ad73165f71f932e8ccc240d4db5097803" > operations_research::glop::RowToColMapping< / a > < / div > < div class = "ttdeci" > StrictITIVector< RowIndex, ColIndex > RowToColMapping< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "lp__types_8h_source.html#l00346" > lp_types.h:346< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "apricing_8h_html" > < div class = "ttname" > < a href = "pricing_8h.html" > pricing.h< / a > < / div > < / div >
< div class = "ttc" id = "ascattered__vector_8h_html" > < div class = "ttname" > < a href = "scattered__vector_8h.html" > scattered_vector.h< / a > < / div > < / div >
< div class = "ttc" id = "astats_8h_html" > < div class = "ttname" > < a href = "stats_8h.html" > stats.h< / a > < / div > < / div >
< div class = "ttc" id = "astats_8h_html_a9995704aaaf45fc21e08c847551a8d04" > < div class = "ttname" > < a href = "stats_8h.html#a9995704aaaf45fc21e08c847551a8d04" > SCOPED_TIME_STAT< / a > < / div > < div class = "ttdeci" > #define SCOPED_TIME_STAT(stats)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "stats_8h_source.html#l00438" > stats.h:438< / a > < / div > < / div >
2022-03-04 00:11:33 +01:00
< div class = "ttc" id = "astructoperations__research_1_1glop_1_1_scattered_column_html" > < div class = "ttname" > < a href = "structoperations__research_1_1glop_1_1_scattered_column.html" > operations_research::glop::ScatteredColumn< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "scattered__vector_8h_source.html#l00195" > scattered_vector.h:196< / a > < / div > < / div >
2022-01-17 21:42:14 +01:00
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2021-01-26 11:28:50 +01:00
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