2020-09-01 16:00:33 +02:00
<!-- HTML header for doxygen 1.8.18 -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
< meta http-equiv = "X-UA-Compatible" content = "IE=9" / >
2021-01-26 11:28:50 +01:00
< meta name = "generator" content = "Doxygen 1.9.1" / >
2020-09-01 16:00:33 +02:00
< meta name = "viewport" content = "width=device-width, initial-scale=1" / >
< title > OR-Tools: cplex_interface.cc Source File< / title >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "jquery.js" > < / script >
< script type = "text/javascript" src = "dynsections.js" > < / script >
< link href = "navtree.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "resize.js" > < / script >
< script type = "text/javascript" src = "navtreedata.js" > < / script >
< script type = "text/javascript" src = "navtree.js" > < / script >
< link href = "search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "search/searchdata.js" > < / script >
< script type = "text/javascript" src = "search/search.js" > < / script >
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< link href = "styleSheet.tmp.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
< td id = "projectlogo" > < img alt = "Logo" src = "orLogo.png" / > < / td >
< td id = "projectalign" style = "padding-left: 0.5em;" >
< div id = "projectname" > OR-Tools
2021-04-27 23:00:03 +02:00
  < span id = "projectnumber" > 9.0< / span >
2020-09-01 16:00:33 +02:00
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
2021-01-26 11:28:50 +01:00
<!-- Generated by Doxygen 1.9.1 -->
2020-09-01 16:00:33 +02:00
< script type = "text/javascript" >
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
2021-01-26 11:28:50 +01:00
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
2020-09-01 16:00:33 +02:00
/* @license-end */
< / script >
< script type = "text/javascript" src = "menudata.js" > < / script >
< script type = "text/javascript" src = "menu.js" > < / script >
< script type = "text/javascript" >
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */< / script >
< div id = "main-nav" > < / div >
< / div > <!-- top -->
< div id = "side-nav" class = "ui-resizable side-nav-resizable" >
< div id = "nav-tree" >
< div id = "nav-tree-contents" >
< div id = "nav-sync" class = "sync" > < / div >
< / div >
< / div >
< div id = "splitbar" style = "-moz-user-select:none;"
class="ui-resizable-handle">
< / div >
< / div >
< script type = "text/javascript" >
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3& dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('cplex__interface_8cc_source.html',''); initResizable(); });
/* @license-end */
< / script >
< div id = "doc-content" >
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< / div >
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > cplex_interface.cc< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< a href = "cplex__interface_8cc.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2014 IBM Corporation< / span > < / div >
< div class = "line" > < a 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 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 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 name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a 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 name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a 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 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 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 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 name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "comment" > // limitations under the License.< / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < span class = "comment" > // Initial version of this code was written by Daniel Junglas (IBM)< / span > < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < span class = "preprocessor" > #include < limits> < / span > < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < span class = "preprocessor" > #include " absl/strings/str_format.h" < / span > < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / 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 name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "base_2logging_8h.html" > ortools/base/logging.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "preprocessor" > #include " < a class = "code" href = "timer_8h.html" > ortools/base/timer.h< / a > " < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / 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 name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "preprocessor" > #if defined(USE_CPLEX)< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "keyword" > extern< / span > < span class = "stringliteral" > " C" < / span > {< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "preprocessor" > #include " ilcplex/cplexx.h" < / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > // This is an undocumented function, setting the objective offset< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > // is not supported everywhere (for example it may not be exported if a< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // model is written to a file), but it works in the cases we need here.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   CPXLIBAPI < span class = "keywordtype" > int< / span > CPXPUBLIC CPXEsetobjoffset(CPXCENVptr, CPXLPptr, < span class = "keywordtype" > double< / span > );< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   }< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   < / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / 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 name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < span class = "comment" > // we just return a NaN.< / span > < / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "preprocessor" > #if !defined(CPX_NAN)< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "preprocessor" > #define CPX_NAN std::numeric_limits< double> ::quiet_NaN()< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < span class = "comment" > // The argument to this macro is the invocation of a CPXX function that< / span > < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "comment" > // returns a status. If the function returns non-zero the macro aborts< / span > < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "comment" > // the program with an appropriate error message.< / span > < / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "preprocessor" > #define CHECK_STATUS(s) \< / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "preprocessor" > do { \< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "preprocessor" > int const status_ = s; \< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "preprocessor" > CHECK_EQ(0, status_); \< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "preprocessor" > } while (0)< / span > < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keyword" > namespace < / span > < a class = "code" href = "namespaceoperations__research.html" > operations_research< / a > {< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "keyword" > using< / span > std::unique_ptr;< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / 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 name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > // 1:1 corresponence between MPVariable instances and CPLEX columns: the< / span > < / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < span class = "comment" > // index of an extracted variable is the column index in the CPLEX model.< / span > < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "comment" > // Similiar for instances of MPConstraint: the index of the constraint in< / span > < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // the model is the row index in the CPLEX model.< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "keyword" > class < / span > CplexInterface : < span class = "keyword" > public< / span > MPSolverInterface {< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "keyword" > public< / span > :< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "comment" > // NOTE: ' mip' specifies the type of the problem (either continuous or< / span > < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > // mixed integer. This type is fixed for the lifetime of the< / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > // instance. There are no dynamic changes to the model type.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   < span class = "keyword" > explicit< / span > CplexInterface(MPSolver* < span class = "keyword" > const< / span > solver, < span class = "keywordtype" > bool< / span > mip);< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   ~CplexInterface();< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // Sets the optimization direction (min/max).< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetOptimizationDirection(< span class = "keywordtype" > bool< / span > maximize);< / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < span class = "comment" > // ----- Solve -----< / span > < / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "comment" > // Solve the problem using the parameter values specified.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keyword" > virtual< / span > < a class = "code" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > MPSolver::ResultStatus< / a > < a class = "code" href = "namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5" > Solve< / a > (MPSolverParameters < span class = "keyword" > const< / span > & param);< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > // ----- Model modifications and extraction -----< / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > // Resets extracted model< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > Reset();< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / 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 name = "l00079" > < / a > < span class = "lineno" > 79< / 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 name = "l00080" > < / a > < span class = "lineno" > 80< / 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 name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > AddRowConstraint(MPConstraint* < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > );< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > AddVariable(MPVariable* < span class = "keyword" > const< / span > < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetCoefficient(MPConstraint* < span class = "keyword" > const< / span > constraint,< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < span class = "keywordtype" > double< / span > new_value, < span class = "keywordtype" > double< / span > old_value);< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < span class = "comment" > // Clear a constraint from all its terms.< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ClearConstraint(MPConstraint* < span class = "keyword" > const< / span > constraint);< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > // Change a coefficient in the linear objective< / span > < / div >
2020-11-18 14:53:30 +01:00
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / 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 >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > 92< / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > );< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // Change the constant term in the linear objective.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetObjectiveOffset(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "comment" > // Clear the objective from all its terms.< / span > < / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ClearObjective();< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < span class = "comment" > // ------ Query statistics on the solution and the solve ------< / span > < / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < span class = "comment" > // Number of simplex iterations< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keyword" > virtual< / span > int64_t iterations() < span class = "keyword" > const< / span > ;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "comment" > // Number of branch-and-bound nodes. Only available for discrete problems.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keyword" > virtual< / span > int64_t < a class = "code" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > nodes< / a > () < span class = "keyword" > const< / span > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "comment" > // Returns the basis status of a row.< / span > < / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < span class = "keyword" > virtual< / span > < a class = "code" 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 name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "comment" > // Returns the basis status of a column.< / span > < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < span class = "keyword" > virtual< / span > < a class = "code" 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 name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < span class = "comment" > // ----- Misc -----< / span > < / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "comment" > // Query problem type.< / span > < / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   < span class = "comment" > // Remember that problem type is a static property that is set< / span > < / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "comment" > // in the constructor and never changed.< / span > < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / 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 name = "l00115" > < / a > < span class = "lineno" > 115< / 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 name = "l00116" > < / a > < span class = "lineno" > 116< / 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 name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractNewVariables();< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractNewConstraints();< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > ExtractObjective();< / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   < / div >
< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keyword" > virtual< / span > std::string SolverVersion() < span class = "keyword" > const< / span > ;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / 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 >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > double< / span > ComputeExactConditionNumber()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > if< / span > (!IsContinuous()) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " ComputeExactConditionNumber not implemented for" < / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < < < span class = "stringliteral" > " CPLEX_MIXED_INTEGER_PROGRAMMING" < / span > ;< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keywordflow" > return< / span > CPX_NAN;< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   }< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   < / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keywordflow" > if< / span > (CheckSolutionIsSynchronized()) {< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   < span class = "keywordtype" > double< / span > kappa = CPX_NAN;< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   CHECK_STATUS(CPXXgetdblquality(mEnv, mLp, & kappa, CPX_EXACT_KAPPA));< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   < span class = "keywordflow" > return< / span > kappa;< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   }< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " Cannot get exact condition number without solution" < / span > ;< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > return< / span > CPX_NAN;< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   }< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   < / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < span class = "keyword" > protected< / span > :< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   < span class = "comment" > // Set all parameters in the underlying solver.< / span > < / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetParameters(MPSolverParameters < span class = "keyword" > const< / span > & param);< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < span class = "comment" > // Set each parameter in the underlying solver.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetRelativeMipGap(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetPrimalTolerance(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetDualTolerance(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetPresolveMode(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetScalingMode(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keyword" > virtual< / span > < span class = "keywordtype" > void< / span > SetLpAlgorithm(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   < / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / 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 name = "l00154" > < / a > < span class = "lineno" > 154< / span >   < span class = "keyword" > virtual< / span > std::string ValidFileExtensionForParameterFile() < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "comment" > // Mark modeling object " out of sync" . This implicitly invalidates< / span > < / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   < span class = "comment" > // solution information as well. It is the counterpart of< / span > < / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < span class = "comment" > // MPSolverInterface::InvalidateSolutionSynchronization< / span > < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   < span class = "keywordtype" > void< / span > InvalidateModelSynchronization() {< / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   mCstat = 0;< / div >
< div class = "line" > < a name = "l00162" > < / a > < span class = "lineno" > 162< / span >   mRstat = 0;< / div >
< div class = "line" > < a name = "l00163" > < / a > < span class = "lineno" > 163< / span >   sync_status_ = MUST_RELOAD;< / div >
< div class = "line" > < a name = "l00164" > < / a > < span class = "lineno" > 164< / span >   }< / div >
< div class = "line" > < a name = "l00165" > < / a > < span class = "lineno" > 165< / span >   < / div >
< div class = "line" > < a name = "l00166" > < / a > < span class = "lineno" > 166< / span >   < span class = "comment" > // Transform CPLEX basis status to MPSolver basis status.< / span > < / div >
< div class = "line" > < a name = "l00167" > < / a > < span class = "lineno" > 167< / span >   < span class = "keyword" > static< / span > < a class = "code" href = "classoperations__research_1_1_m_p_solver.html#afd922eb2bef96597c426557a8056f76d" > MPSolver::BasisStatus< / a > xformBasisStatus(< span class = "keywordtype" > int< / span > cplex_basis_status);< / div >
< div class = "line" > < a name = "l00168" > < / a > < span class = "lineno" > 168< / span >   < / div >
< div class = "line" > < a name = "l00169" > < / a > < span class = "lineno" > 169< / span >   < span class = "keyword" > private< / span > :< / div >
< div class = "line" > < a name = "l00170" > < / a > < span class = "lineno" > 170< / span >   CPXLPptr mLp;< / div >
< div class = "line" > < a name = "l00171" > < / a > < span class = "lineno" > 171< / span >   CPXENVptr mEnv;< / div >
< div class = "line" > < a name = "l00172" > < / a > < span class = "lineno" > 172< / span >   < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > mMip;< / div >
< div class = "line" > < a name = "l00173" > < / a > < span class = "lineno" > 173< / span >   < span class = "comment" > // Incremental extraction.< / span > < / div >
< div class = "line" > < a name = "l00174" > < / a > < span class = "lineno" > 174< / span >   < span class = "comment" > // Without incremental extraction we have to re-extract the model every< / span > < / div >
< div class = "line" > < a name = "l00175" > < / a > < span class = "lineno" > 175< / span >   < span class = "comment" > // time we perform a solve. Due to the way the Reset() function is< / span > < / div >
< div class = "line" > < a name = "l00176" > < / a > < span class = "lineno" > 176< / span >   < span class = "comment" > // implemented, this will lose MIP start or basis information from a< / span > < / div >
< div class = "line" > < a name = "l00177" > < / a > < span class = "lineno" > 177< / span >   < span class = "comment" > // previous solve. On the other hand, if there is a significant changes< / span > < / div >
< div class = "line" > < a name = "l00178" > < / a > < span class = "lineno" > 178< / span >   < span class = "comment" > // to the model then just re-extracting everything is usually faster than< / span > < / div >
< div class = "line" > < a name = "l00179" > < / a > < span class = "lineno" > 179< / span >   < span class = "comment" > // keeping the low-level modeling object in sync with the high-level< / span > < / div >
< div class = "line" > < a name = "l00180" > < / a > < span class = "lineno" > 180< / span >   < span class = "comment" > // variables/constraints.< / span > < / div >
< div class = "line" > < a name = "l00181" > < / a > < span class = "lineno" > 181< / span >   < span class = "comment" > // Note that incremental extraction is particularly expensive in function< / span > < / div >
< div class = "line" > < a name = "l00182" > < / a > < span class = "lineno" > 182< / span >   < span class = "comment" > // ExtractNewVariables() since there we must scan _all_ old constraints< / span > < / div >
< div class = "line" > < a name = "l00183" > < / a > < span class = "lineno" > 183< / span >   < span class = "comment" > // and update them with respect to the new variables.< / span > < / div >
< div class = "line" > < a name = "l00184" > < / a > < span class = "lineno" > 184< / span >   < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > supportIncrementalExtraction;< / div >
< div class = "line" > < a name = "l00185" > < / a > < span class = "lineno" > 185< / span >   < / div >
< div class = "line" > < a name = "l00186" > < / a > < span class = "lineno" > 186< / span >   < span class = "comment" > // Use slow and immediate updates or try to do bulk updates.< / span > < / div >
< div class = "line" > < a name = "l00187" > < / a > < span class = "lineno" > 187< / span >   < span class = "comment" > // For many updates to the model we have the option to either perform< / span > < / div >
< div class = "line" > < a name = "l00188" > < / a > < span class = "lineno" > 188< / span >   < span class = "comment" > // the update immediately with a potentially slow operation or to< / span > < / div >
< div class = "line" > < a name = "l00189" > < / a > < span class = "lineno" > 189< / span >   < span class = "comment" > // just mark the low-level modeling object out of sync and re-extract< / span > < / div >
< div class = "line" > < a name = "l00190" > < / a > < span class = "lineno" > 190< / span >   < span class = "comment" > // the model later.< / span > < / div >
< div class = "line" > < a name = "l00191" > < / a > < span class = "lineno" > 191< / span >   < span class = "keyword" > enum< / span > SlowUpdates {< / div >
< div class = "line" > < a name = "l00192" > < / a > < span class = "lineno" > 192< / span >   SlowSetCoefficient = 0x0001,< / div >
< div class = "line" > < a name = "l00193" > < / a > < span class = "lineno" > 193< / span >   SlowClearConstraint = 0x0002,< / div >
< div class = "line" > < a name = "l00194" > < / a > < span class = "lineno" > 194< / span >   SlowSetObjectiveCoefficient = 0x0004,< / div >
< div class = "line" > < a name = "l00195" > < / a > < span class = "lineno" > 195< / span >   SlowClearObjective = 0x0008,< / div >
< div class = "line" > < a name = "l00196" > < / a > < span class = "lineno" > 196< / span >   SlowSetConstraintBounds = 0x0010,< / div >
< div class = "line" > < a name = "l00197" > < / a > < span class = "lineno" > 197< / span >   SlowSetVariableInteger = 0x0020,< / div >
< div class = "line" > < a name = "l00198" > < / a > < span class = "lineno" > 198< / span >   SlowSetVariableBounds = 0x0040,< / div >
< div class = "line" > < a name = "l00199" > < / a > < span class = "lineno" > 199< / span >   SlowUpdatesAll = 0xffff< / div >
< div class = "line" > < a name = "l00200" > < / a > < span class = "lineno" > 200< / span >   } < span class = "keyword" > const< / span > slowUpdates;< / div >
< div class = "line" > < a name = "l00201" > < / a > < span class = "lineno" > 201< / span >   < span class = "comment" > // CPLEX has no method to query the basis status of a single variable.< / span > < / div >
< div class = "line" > < a name = "l00202" > < / a > < span class = "lineno" > 202< / span >   < span class = "comment" > // Hence we query the status only once and cache the array. This is< / span > < / div >
< div class = "line" > < a name = "l00203" > < / a > < span class = "lineno" > 203< / span >   < span class = "comment" > // much faster in case the basis status of more than one row/column< / span > < / div >
< div class = "line" > < a name = "l00204" > < / a > < span class = "lineno" > 204< / span >   < span class = "comment" > // is required.< / span > < / div >
< div class = "line" > < a name = "l00205" > < / a > < span class = "lineno" > 205< / span >   unique_ptr< int[]> < span class = "keyword" > mutable< / span > mCstat;< / div >
< div class = "line" > < a name = "l00206" > < / a > < span class = "lineno" > 206< / span >   unique_ptr< int[]> < span class = "keyword" > mutable< / span > mRstat;< / div >
< div class = "line" > < a name = "l00207" > < / a > < span class = "lineno" > 207< / span >   < / div >
< div class = "line" > < a name = "l00208" > < / a > < span class = "lineno" > 208< / span >   < span class = "comment" > // Setup the right-hand side of a constraint from its lower and upper bound.< / span > < / div >
< div class = "line" > < a name = "l00209" > < / a > < span class = "lineno" > 209< / 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 name = "l00210" > < / a > < span class = "lineno" > 210< / span >   < span class = "keywordtype" > double< / span > & range);< / div >
< div class = "line" > < a name = "l00211" > < / a > < span class = "lineno" > 211< / span >   };< / div >
< div class = "line" > < a name = "l00212" > < / a > < span class = "lineno" > 212< / span >   < / div >
< div class = "line" > < a name = "l00213" > < / a > < span class = "lineno" > 213< / span >   < span class = "comment" > // Creates a LP/MIP instance.< / span > < / div >
< div class = "line" > < a name = "l00214" > < / a > < span class = "lineno" > 214< / span >   CplexInterface::CplexInterface(MPSolver* < span class = "keyword" > const< / span > solver, < span class = "keywordtype" > bool< / span > mip)< / div >
< div class = "line" > < a name = "l00215" > < / a > < span class = "lineno" > 215< / span >   : MPSolverInterface(solver),< / div >
< div class = "line" > < a name = "l00216" > < / a > < span class = "lineno" > 216< / span >   mEnv(0),< / div >
< div class = "line" > < a name = "l00217" > < / a > < span class = "lineno" > 217< / span >   mLp(0),< / div >
< div class = "line" > < a name = "l00218" > < / a > < span class = "lineno" > 218< / span >   mMip(mip),< / div >
< div class = "line" > < a name = "l00219" > < / a > < span class = "lineno" > 219< / span >   slowUpdates(static_cast< SlowUpdates> (SlowSetObjectiveCoefficient |< / div >
< div class = "line" > < a name = "l00220" > < / a > < span class = "lineno" > 220< / span >   SlowClearObjective)),< / div >
< div class = "line" > < a name = "l00221" > < / a > < span class = "lineno" > 221< / span >   supportIncrementalExtraction(false),< / div >
< div class = "line" > < a name = "l00222" > < / a > < span class = "lineno" > 222< / span >   mCstat(),< / div >
< div class = "line" > < a name = "l00223" > < / a > < span class = "lineno" > 223< / span >   mRstat() {< / div >
< div class = "line" > < a name = "l00224" > < / a > < span class = "lineno" > 224< / span >   < span class = "keywordtype" > int< / span > status;< / div >
< div class = "line" > < a name = "l00225" > < / a > < span class = "lineno" > 225< / span >   < / div >
< div class = "line" > < a name = "l00226" > < / a > < span class = "lineno" > 226< / span >   mEnv = CPXXopenCPLEX(& status);< / div >
< div class = "line" > < a name = "l00227" > < / a > < span class = "lineno" > 227< / span >   CHECK_STATUS(status);< / div >
< div class = "line" > < a name = "l00228" > < / a > < span class = "lineno" > 228< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (mEnv != < span class = "keyword" > nullptr< / span > ); < span class = "comment" > // should not be NULL if status=0< / span > < / div >
< div class = "line" > < a name = "l00229" > < / a > < span class = "lineno" > 229< / span >   < / div >
< div class = "line" > < a name = "l00230" > < / a > < span class = "lineno" > 230< / span >   < span class = "keywordtype" > char< / span > < span class = "keyword" > const< / span > * < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > = solver_-> name_.c_str();< / div >
< div class = "line" > < a name = "l00231" > < / a > < span class = "lineno" > 231< / span >   mLp = CPXXcreateprob(mEnv, & status, < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > );< / div >
< div class = "line" > < a name = "l00232" > < / a > < span class = "lineno" > 232< / span >   CHECK_STATUS(status);< / div >
< div class = "line" > < a name = "l00233" > < / a > < span class = "lineno" > 233< / span >   < a class = "code" 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 name = "l00234" > < / a > < span class = "lineno" > 234< / span >   < / div >
< div class = "line" > < a name = "l00235" > < / a > < span class = "lineno" > 235< / span >   CHECK_STATUS(CPXXchgobjsen(mEnv, mLp, < a class = "code" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > ? CPX_MAX : CPX_MIN));< / div >
< div class = "line" > < a name = "l00236" > < / a > < span class = "lineno" > 236< / span >   < span class = "keywordflow" > if< / span > (mMip) CHECK_STATUS(CPXXchgprobtype(mEnv, mLp, CPXPROB_MILP));< / div >
< div class = "line" > < a name = "l00237" > < / a > < span class = "lineno" > 237< / span >   }< / div >
< div class = "line" > < a name = "l00238" > < / a > < span class = "lineno" > 238< / span >   < / div >
< div class = "line" > < a name = "l00239" > < / a > < span class = "lineno" > 239< / span >   CplexInterface::~CplexInterface() {< / div >
< div class = "line" > < a name = "l00240" > < / a > < span class = "lineno" > 240< / span >   CHECK_STATUS(CPXXfreeprob(mEnv, & mLp));< / div >
< div class = "line" > < a name = "l00241" > < / a > < span class = "lineno" > 241< / span >   CHECK_STATUS(CPXXcloseCPLEX(& mEnv));< / div >
< div class = "line" > < a name = "l00242" > < / a > < span class = "lineno" > 242< / span >   }< / div >
< div class = "line" > < a name = "l00243" > < / a > < span class = "lineno" > 243< / span >   < / div >
< div class = "line" > < a name = "l00244" > < / a > < span class = "lineno" > 244< / span >   std::string CplexInterface::SolverVersion()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00245" > < / a > < span class = "lineno" > 245< / span >   < span class = "comment" > // We prefer CPXXversionnumber() over CPXXversion() since the< / span > < / div >
< div class = "line" > < a name = "l00246" > < / a > < span class = "lineno" > 246< / span >   < span class = "comment" > // former will never pose any encoding issues.< / span > < / div >
< div class = "line" > < a name = "l00247" > < / a > < span class = "lineno" > 247< / span >   < span class = "keywordtype" > int< / span > version = 0;< / div >
< div class = "line" > < a name = "l00248" > < / a > < span class = "lineno" > 248< / span >   CHECK_STATUS(CPXXversionnumber(mEnv, & version));< / div >
< div class = "line" > < a name = "l00249" > < / a > < span class = "lineno" > 249< / span >   < / div >
< div class = "line" > < a name = "l00250" > < / a > < span class = "lineno" > 250< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > major = version / 1000000;< / div >
< div class = "line" > < a name = "l00251" > < / a > < span class = "lineno" > 251< / span >   version -= major * 1000000;< / div >
< div class = "line" > < a name = "l00252" > < / a > < span class = "lineno" > 252< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > release = version / 10000;< / div >
< div class = "line" > < a name = "l00253" > < / a > < span class = "lineno" > 253< / span >   version -= release * 10000;< / div >
< div class = "line" > < a name = "l00254" > < / a > < span class = "lineno" > 254< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > mod = version / 100;< / div >
< div class = "line" > < a name = "l00255" > < / a > < span class = "lineno" > 255< / span >   version -= mod * 100;< / div >
< div class = "line" > < a name = "l00256" > < / a > < span class = "lineno" > 256< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > fix = version;< / div >
< div class = "line" > < a name = "l00257" > < / a > < span class = "lineno" > 257< / span >   < / div >
< div class = "line" > < a name = "l00258" > < / a > < span class = "lineno" > 258< / span >   < span class = "keywordflow" > return< / span > absl::StrFormat(< span class = "stringliteral" > " CPLEX library version %d.%02d.%02d.%02d" < / span > , major,< / div >
< div class = "line" > < a name = "l00259" > < / a > < span class = "lineno" > 259< / span >   release, mod, fix);< / div >
< div class = "line" > < a name = "l00260" > < / a > < span class = "lineno" > 260< / span >   }< / div >
< div class = "line" > < a name = "l00261" > < / a > < span class = "lineno" > 261< / span >   < / div >
< div class = "line" > < a name = "l00262" > < / a > < span class = "lineno" > 262< / span >   < span class = "comment" > // ------ Model modifications and extraction -----< / span > < / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00263" > < / a > < span class = "lineno" > 263< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00264" > < / a > < span class = "lineno" > 264< / span >   < span class = "keywordtype" > void< / span > CplexInterface::Reset() {< / div >
< div class = "line" > < a name = "l00265" > < / a > < span class = "lineno" > 265< / span >   < span class = "comment" > // Instead of explicitly clearing all modeling objects we< / span > < / div >
< div class = "line" > < a name = "l00266" > < / a > < span class = "lineno" > 266< / span >   < span class = "comment" > // just delete the problem object and allocate a new one.< / span > < / div >
< div class = "line" > < a name = "l00267" > < / a > < span class = "lineno" > 267< / span >   CHECK_STATUS(CPXXfreeprob(mEnv, & mLp));< / div >
< div class = "line" > < a name = "l00268" > < / a > < span class = "lineno" > 268< / span >   < / div >
< div class = "line" > < a name = "l00269" > < / a > < span class = "lineno" > 269< / span >   < span class = "keywordtype" > int< / span > status;< / div >
< div class = "line" > < a name = "l00270" > < / a > < span class = "lineno" > 270< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > * < span class = "keyword" > const< / span > < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > = solver_-> name_.c_str();< / div >
< div class = "line" > < a name = "l00271" > < / a > < span class = "lineno" > 271< / span >   mLp = CPXXcreateprob(mEnv, & status, < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > );< / div >
< div class = "line" > < a name = "l00272" > < / a > < span class = "lineno" > 272< / span >   CHECK_STATUS(status);< / div >
< div class = "line" > < a name = "l00273" > < / a > < span class = "lineno" > 273< / span >   < a class = "code" 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 name = "l00274" > < / a > < span class = "lineno" > 274< / span >   < / div >
< div class = "line" > < a name = "l00275" > < / a > < span class = "lineno" > 275< / span >   CHECK_STATUS(CPXXchgobjsen(mEnv, mLp, < a class = "code" href = "search_8cc.html#a9648c36eafdd6183052aeec5bef2d8b2" > maximize_< / a > ? CPX_MAX : CPX_MIN));< / div >
< div class = "line" > < a name = "l00276" > < / a > < span class = "lineno" > 276< / span >   < span class = "keywordflow" > if< / span > (mMip) CHECK_STATUS(CPXXchgprobtype(mEnv, mLp, CPXPROB_MILP));< / div >
< div class = "line" > < a name = "l00277" > < / a > < span class = "lineno" > 277< / span >   < / div >
< div class = "line" > < a name = "l00278" > < / a > < span class = "lineno" > 278< / span >   ResetExtractionInformation();< / div >
< div class = "line" > < a name = "l00279" > < / a > < span class = "lineno" > 279< / span >   mCstat = 0;< / div >
< div class = "line" > < a name = "l00280" > < / a > < span class = "lineno" > 280< / span >   mRstat = 0;< / div >
< div class = "line" > < a name = "l00281" > < / a > < span class = "lineno" > 281< / span >   }< / div >
< div class = "line" > < a name = "l00282" > < / a > < span class = "lineno" > 282< / span >   < / div >
< div class = "line" > < a name = "l00283" > < / a > < span class = "lineno" > 283< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetOptimizationDirection(< span class = "keywordtype" > bool< / span > maximize) {< / div >
< div class = "line" > < a name = "l00284" > < / a > < span class = "lineno" > 284< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00285" > < / a > < span class = "lineno" > 285< / span >   CPXXchgobjsen(mEnv, mLp, maximize ? CPX_MAX : CPX_MIN);< / div >
< div class = "line" > < a name = "l00286" > < / a > < span class = "lineno" > 286< / span >   }< / div >
< div class = "line" > < a name = "l00287" > < / a > < span class = "lineno" > 287< / span >   < / div >
< div class = "line" > < a name = "l00288" > < / a > < span class = "lineno" > 288< / span >   < span class = "keywordtype" > void< / span > CplexInterface::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 name = "l00289" > < / a > < span class = "lineno" > 289< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00290" > < / a > < span class = "lineno" > 290< / span >   < / div >
< div class = "line" > < a name = "l00291" > < / a > < span class = "lineno" > 291< / span >   < span class = "comment" > // Changing the bounds of a variable is fast. However, doing this for< / span > < / div >
< div class = "line" > < a name = "l00292" > < / a > < span class = "lineno" > 292< / span >   < span class = "comment" > // many variables may still be slow. So we don' t perform the update by< / span > < / div >
< div class = "line" > < a name = "l00293" > < / a > < span class = "lineno" > 293< / span >   < span class = "comment" > // default. However, if we support incremental extraction< / span > < / div >
< div class = "line" > < a name = "l00294" > < / a > < span class = "lineno" > 294< / span >   < span class = "comment" > // (supportIncrementalExtraction is true) then we MUST perform the< / span > < / div >
< div class = "line" > < a name = "l00295" > < / a > < span class = "lineno" > 295< / span >   < span class = "comment" > // update here or we will lose it.< / span > < / div >
< div class = "line" > < a name = "l00296" > < / a > < span class = "lineno" > 296< / span >   < / div >
< div class = "line" > < a name = "l00297" > < / a > < span class = "lineno" > 297< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & !(slowUpdates & SlowSetVariableBounds)) {< / div >
< div class = "line" > < a name = "l00298" > < / a > < span class = "lineno" > 298< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00299" > < / a > < span class = "lineno" > 299< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00300" > < / a > < span class = "lineno" > 300< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(var_index)) {< / div >
< div class = "line" > < a name = "l00301" > < / a > < span class = "lineno" > 301< / span >   < span class = "comment" > // Variable has already been extracted, so we must modify the< / span > < / div >
< div class = "line" > < a name = "l00302" > < / a > < span class = "lineno" > 302< / span >   < span class = "comment" > // modeling object.< / span > < / div >
< div class = "line" > < a name = "l00303" > < / a > < span class = "lineno" > 303< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (var_index, last_variable_index_);< / div >
< div class = "line" > < a name = "l00304" > < / a > < span class = "lineno" > 304< / 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 name = "l00305" > < / a > < span class = "lineno" > 305< / span >   < span class = "keywordtype" > double< / span > < span class = "keyword" > const< / span > bd[2] = {lb, ub};< / div >
< div class = "line" > < a name = "l00306" > < / a > < span class = "lineno" > 306< / span >   CPXDIM < span class = "keyword" > const< / span > idx[2] = {var_index, var_index};< / div >
< div class = "line" > < a name = "l00307" > < / a > < span class = "lineno" > 307< / span >   CHECK_STATUS(CPXXchgbds(mEnv, mLp, 2, idx, lu, bd));< / div >
< div class = "line" > < a name = "l00308" > < / a > < span class = "lineno" > 308< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00309" > < / a > < span class = "lineno" > 309< / span >   < span class = "comment" > // Variable is not yet extracted. It is sufficient to just mark< / span > < / div >
< div class = "line" > < a name = "l00310" > < / a > < span class = "lineno" > 310< / span >   < span class = "comment" > // the modeling object " out of sync" < / span > < / div >
< div class = "line" > < a name = "l00311" > < / a > < span class = "lineno" > 311< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00312" > < / a > < span class = "lineno" > 312< / span >   }< / div >
< div class = "line" > < a name = "l00313" > < / a > < span class = "lineno" > 313< / span >   }< / div >
< div class = "line" > < a name = "l00314" > < / a > < span class = "lineno" > 314< / span >   }< / div >
< div class = "line" > < a name = "l00315" > < / a > < span class = "lineno" > 315< / span >   < / div >
< div class = "line" > < a name = "l00316" > < / a > < span class = "lineno" > 316< / span >   < span class = "comment" > // Modifies integrality of an extracted variable.< / span > < / div >
< div class = "line" > < a name = "l00317" > < / a > < span class = "lineno" > 317< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetVariableInteger(< span class = "keywordtype" > int< / span > var_index, < span class = "keywordtype" > bool< / span > integer) {< / div >
< div class = "line" > < a name = "l00318" > < / a > < span class = "lineno" > 318< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00319" > < / a > < span class = "lineno" > 319< / span >   < / div >
< div class = "line" > < a name = "l00320" > < / a > < span class = "lineno" > 320< / span >   < span class = "comment" > // NOTE: The type of the model (continuous or mixed integer) is< / span > < / div >
< div class = "line" > < a name = "l00321" > < / a > < span class = "lineno" > 321< / span >   < span class = "comment" > // defined once and for all in the constructor. There are no< / span > < / div >
< div class = "line" > < a name = "l00322" > < / a > < span class = "lineno" > 322< / span >   < span class = "comment" > // dynamic changes to the model type.< / span > < / div >
< div class = "line" > < a name = "l00323" > < / a > < span class = "lineno" > 323< / span >   < / div >
< div class = "line" > < a name = "l00324" > < / a > < span class = "lineno" > 324< / span >   < span class = "comment" > // Changing the type of a variable should be fast. Still, doing all< / span > < / div >
< div class = "line" > < a name = "l00325" > < / a > < span class = "lineno" > 325< / span >   < span class = "comment" > // updates in one big chunk right before solve() is usually faster.< / span > < / div >
< div class = "line" > < a name = "l00326" > < / a > < span class = "lineno" > 326< / span >   < span class = "comment" > // However, if we support incremental extraction< / span > < / div >
< div class = "line" > < a name = "l00327" > < / a > < span class = "lineno" > 327< / span >   < span class = "comment" > // (supportIncrementalExtraction is true) then we MUST change the< / span > < / div >
< div class = "line" > < a name = "l00328" > < / a > < span class = "lineno" > 328< / span >   < span class = "comment" > // type of extracted variables here.< / span > < / div >
< div class = "line" > < a name = "l00329" > < / a > < span class = "lineno" > 329< / span >   < / div >
< div class = "line" > < a name = "l00330" > < / a > < span class = "lineno" > 330< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & < / div >
< div class = "line" > < a name = "l00331" > < / a > < span class = "lineno" > 331< / span >   !(slowUpdates & & SlowSetVariableInteger)) {< / div >
< div class = "line" > < a name = "l00332" > < / a > < span class = "lineno" > 332< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00333" > < / a > < span class = "lineno" > 333< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00334" > < / a > < span class = "lineno" > 334< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l00335" > < / a > < span class = "lineno" > 335< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(var_index)) {< / div >
< div class = "line" > < a name = "l00336" > < / a > < span class = "lineno" > 336< / span >   < span class = "comment" > // Variable is extracted. Change the type immediately.< / span > < / div >
< div class = "line" > < a name = "l00337" > < / a > < span class = "lineno" > 337< / span >   < span class = "comment" > // TODO: Should we check the current type and don' t do anything< / span > < / div >
< div class = "line" > < a name = "l00338" > < / a > < span class = "lineno" > 338< / span >   < span class = "comment" > // in case the type does not change?< / span > < / div >
< div class = "line" > < a name = "l00339" > < / a > < span class = "lineno" > 339< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (var_index, CPXXgetnumcols(mEnv, mLp));< / div >
< div class = "line" > < a name = "l00340" > < / a > < span class = "lineno" > 340< / span >   < span class = "keywordtype" > char< / span > < span class = "keyword" > const< / span > type = integer ? CPX_INTEGER : CPX_CONTINUOUS;< / div >
< div class = "line" > < a name = "l00341" > < / a > < span class = "lineno" > 341< / span >   CHECK_STATUS(CPXXchgctype(mEnv, mLp, 1, & var_index, & type));< / div >
< div class = "line" > < a name = "l00342" > < / a > < span class = "lineno" > 342< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00343" > < / a > < span class = "lineno" > 343< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00344" > < / a > < span class = "lineno" > 344< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00345" > < / a > < span class = "lineno" > 345< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL)< / div >
< div class = "line" > < a name = "l00346" > < / a > < span class = "lineno" > 346< / span >   < < < span class = "stringliteral" > " Attempt to change variable to integer in non-MIP problem!" < / span > ;< / div >
< div class = "line" > < a name = "l00347" > < / a > < span class = "lineno" > 347< / span >   }< / div >
< div class = "line" > < a name = "l00348" > < / a > < span class = "lineno" > 348< / span >   }< / div >
< div class = "line" > < a name = "l00349" > < / a > < span class = "lineno" > 349< / span >   }< / div >
< div class = "line" > < a name = "l00350" > < / a > < span class = "lineno" > 350< / span >   < / div >
< div class = "line" > < a name = "l00351" > < / a > < span class = "lineno" > 351< / span >   < span class = "comment" > // Setup the right-hand side of a constraint.< / span > < / div >
< div class = "line" > < a name = "l00352" > < / a > < span class = "lineno" > 352< / span >   < span class = "keywordtype" > void< / span > CplexInterface::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 name = "l00353" > < / a > < span class = "lineno" > 353< / span >   < span class = "keywordtype" > double< / span > & range) {< / div >
< div class = "line" > < a name = "l00354" > < / a > < span class = "lineno" > 354< / span >   < span class = "keywordflow" > if< / span > (lb == ub) {< / div >
< div class = "line" > < a name = "l00355" > < / a > < span class = "lineno" > 355< / span >   < span class = "comment" > // Both bounds are equal -> this is an equality constraint< / span > < / div >
< div class = "line" > < a name = "l00356" > < / a > < span class = "lineno" > 356< / span >   rhs = lb;< / div >
< div class = "line" > < a name = "l00357" > < / a > < span class = "lineno" > 357< / span >   range = 0.0;< / div >
< div class = "line" > < a name = "l00358" > < / a > < span class = "lineno" > 358< / span >   sense = < span class = "charliteral" > ' E' < / span > ;< / div >
< div class = "line" > < a name = "l00359" > < / a > < span class = "lineno" > 359< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (lb > -CPX_INFBOUND & & ub < CPX_INFBOUND) {< / div >
< div class = "line" > < a name = "l00360" > < / a > < span class = "lineno" > 360< / span >   < span class = "comment" > // Both bounds are finite -> this is a ranged constraint< / span > < / div >
< div class = "line" > < a name = "l00361" > < / a > < span class = "lineno" > 361< / span >   < span class = "comment" > // The value of a ranged constraint is allowed to be in< / span > < / div >
< div class = "line" > < a name = "l00362" > < / a > < span class = "lineno" > 362< / span >   < span class = "comment" > // [ rhs[i], rhs[i]+rngval[i] ]< / span > < / div >
< div class = "line" > < a name = "l00363" > < / a > < span class = "lineno" > 363< / span >   < span class = "comment" > // see also the reference documentation for CPXXnewrows()< / span > < / div >
< div class = "line" > < a name = "l00364" > < / a > < span class = "lineno" > 364< / span >   < span class = "keywordflow" > if< / span > (ub < lb) {< / div >
< div class = "line" > < a name = "l00365" > < / a > < span class = "lineno" > 365< / span >   < span class = "comment" > // The bounds for the constraint are contradictory. CPLEX models< / span > < / div >
< div class = "line" > < a name = "l00366" > < / a > < span class = "lineno" > 366< / span >   < span class = "comment" > // a range constraint l < = ax < = u as< / span > < / div >
< div class = "line" > < a name = "l00367" > < / a > < span class = "lineno" > 367< / span >   < span class = "comment" > // ax = l + v< / span > < / div >
< div class = "line" > < a name = "l00368" > < / a > < span class = "lineno" > 368< / span >   < span class = "comment" > // where v is an auxiliary variable the range of which is controlled< / span > < / div >
< div class = "line" > < a name = "l00369" > < / a > < span class = "lineno" > 369< / span >   < span class = "comment" > // by l and u: if l < u then v in [0, u-l]< / span > < / div >
< div class = "line" > < a name = "l00370" > < / a > < span class = "lineno" > 370< / span >   < span class = "comment" > // else v in [u-l, 0]< / span > < / div >
< div class = "line" > < a name = "l00371" > < / a > < span class = "lineno" > 371< / span >   < span class = "comment" > // (the range is specified as the rngval[] argument to CPXXnewrows).< / span > < / div >
< div class = "line" > < a name = "l00372" > < / a > < span class = "lineno" > 372< / span >   < span class = "comment" > // Thus CPLEX cannot represent range constraints with contradictory< / span > < / div >
< div class = "line" > < a name = "l00373" > < / a > < span class = "lineno" > 373< / span >   < span class = "comment" > // bounds and we must error out here.< / span > < / div >
< div class = "line" > < a name = "l00374" > < / a > < span class = "lineno" > 374< / span >   CHECK_STATUS(CPXERR_BAD_ARGUMENT);< / div >
< div class = "line" > < a name = "l00375" > < / a > < span class = "lineno" > 375< / span >   }< / div >
< div class = "line" > < a name = "l00376" > < / a > < span class = "lineno" > 376< / span >   rhs = lb;< / div >
< div class = "line" > < a name = "l00377" > < / a > < span class = "lineno" > 377< / span >   range = ub - lb;< / div >
< div class = "line" > < a name = "l00378" > < / a > < span class = "lineno" > 378< / span >   sense = < span class = "charliteral" > ' R' < / span > ;< / div >
< div class = "line" > < a name = "l00379" > < / a > < span class = "lineno" > 379< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (ub < CPX_INFBOUND ||< / div >
< div class = "line" > < a name = "l00380" > < / a > < span class = "lineno" > 380< / span >   (std::abs(ub) == CPX_INFBOUND & & std::abs(lb) > CPX_INFBOUND)) {< / div >
< div class = "line" > < a name = "l00381" > < / a > < span class = "lineno" > 381< / span >   < span class = "comment" > // Finite upper, infinite lower bound -> this is a < = constraint< / span > < / div >
< div class = "line" > < a name = "l00382" > < / a > < span class = "lineno" > 382< / span >   rhs = ub;< / div >
< div class = "line" > < a name = "l00383" > < / a > < span class = "lineno" > 383< / span >   range = 0.0;< / div >
< div class = "line" > < a name = "l00384" > < / a > < span class = "lineno" > 384< / span >   sense = < span class = "charliteral" > ' L' < / span > ;< / div >
< div class = "line" > < a name = "l00385" > < / a > < span class = "lineno" > 385< / span >   } < span class = "keywordflow" > else< / span > < span class = "keywordflow" > if< / span > (lb > -CPX_INFBOUND ||< / div >
< div class = "line" > < a name = "l00386" > < / a > < span class = "lineno" > 386< / span >   (std::abs(lb) == CPX_INFBOUND & & std::abs(ub) > CPX_INFBOUND)) {< / div >
< div class = "line" > < a name = "l00387" > < / a > < span class = "lineno" > 387< / span >   < span class = "comment" > // Finite lower, infinite upper bound -> this is a > = constraint< / span > < / div >
< div class = "line" > < a name = "l00388" > < / a > < span class = "lineno" > 388< / span >   rhs = lb;< / div >
< div class = "line" > < a name = "l00389" > < / a > < span class = "lineno" > 389< / span >   range = 0.0;< / div >
< div class = "line" > < a name = "l00390" > < / a > < span class = "lineno" > 390< / span >   sense = < span class = "charliteral" > ' G' < / span > ;< / div >
< div class = "line" > < a name = "l00391" > < / a > < span class = "lineno" > 391< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00392" > < / a > < span class = "lineno" > 392< / span >   < span class = "comment" > // Lower and upper bound are both infinite.< / span > < / div >
< div class = "line" > < a name = "l00393" > < / a > < span class = "lineno" > 393< / span >   < span class = "comment" > // This is used for example in .mps files to specify alternate< / span > < / div >
< div class = "line" > < a name = "l00394" > < / a > < span class = "lineno" > 394< / span >   < span class = "comment" > // objective functions.< / span > < / div >
< div class = "line" > < a name = "l00395" > < / a > < span class = "lineno" > 395< / span >   < span class = "comment" > // Note that the case lb==ub was already handled above, so we just< / span > < / div >
< div class = "line" > < a name = "l00396" > < / a > < span class = "lineno" > 396< / span >   < span class = "comment" > // pick the bound with larger magnitude and create a constraint for it.< / span > < / div >
< div class = "line" > < a name = "l00397" > < / a > < span class = "lineno" > 397< / span >   < span class = "comment" > // Note that we replace the infinite bound by CPX_INFBOUND since< / span > < / div >
< div class = "line" > < a name = "l00398" > < / a > < span class = "lineno" > 398< / span >   < span class = "comment" > // bounds with larger magnitude may cause other CPLEX functions to< / span > < / div >
< div class = "line" > < a name = "l00399" > < / a > < span class = "lineno" > 399< / span >   < span class = "comment" > // fail (for example the export to LP files).< / span > < / div >
< div class = "line" > < a name = "l00400" > < / a > < span class = "lineno" > 400< / span >   < a class = "code" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (std::abs(lb), CPX_INFBOUND);< / div >
< div class = "line" > < a name = "l00401" > < / a > < span class = "lineno" > 401< / span >   < a class = "code" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (std::abs(ub), CPX_INFBOUND);< / div >
< div class = "line" > < a name = "l00402" > < / a > < span class = "lineno" > 402< / span >   < span class = "keywordflow" > if< / span > (std::abs(lb) > std::abs(ub)) {< / div >
< div class = "line" > < a name = "l00403" > < / a > < span class = "lineno" > 403< / span >   rhs = (lb < 0) ? -CPX_INFBOUND : CPX_INFBOUND;< / div >
< div class = "line" > < a name = "l00404" > < / a > < span class = "lineno" > 404< / span >   sense = < span class = "charliteral" > ' G' < / span > ;< / div >
< div class = "line" > < a name = "l00405" > < / a > < span class = "lineno" > 405< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00406" > < / a > < span class = "lineno" > 406< / span >   rhs = (ub < 0) ? -CPX_INFBOUND : CPX_INFBOUND;< / div >
< div class = "line" > < a name = "l00407" > < / a > < span class = "lineno" > 407< / span >   sense = < span class = "charliteral" > ' L' < / span > ;< / div >
< div class = "line" > < a name = "l00408" > < / a > < span class = "lineno" > 408< / span >   }< / div >
< div class = "line" > < a name = "l00409" > < / a > < span class = "lineno" > 409< / span >   range = 0.0;< / div >
< div class = "line" > < a name = "l00410" > < / a > < span class = "lineno" > 410< / span >   }< / div >
< div class = "line" > < a name = "l00411" > < / a > < span class = "lineno" > 411< / span >   }< / div >
< div class = "line" > < a name = "l00412" > < / a > < span class = "lineno" > 412< / span >   < / div >
< div class = "line" > < a name = "l00413" > < / a > < span class = "lineno" > 413< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetConstraintBounds(< span class = "keywordtype" > int< / span > < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , < span class = "keywordtype" > double< / span > lb, < span class = "keywordtype" > double< / span > ub) {< / div >
< div class = "line" > < a name = "l00414" > < / a > < span class = "lineno" > 414< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00415" > < / a > < span class = "lineno" > 415< / span >   < / div >
< div class = "line" > < a name = "l00416" > < / a > < span class = "lineno" > 416< / span >   < span class = "comment" > // Changing rhs, sense, or range of a constraint is not too slow.< / span > < / div >
< div class = "line" > < a name = "l00417" > < / a > < span class = "lineno" > 417< / span >   < span class = "comment" > // Still, doing all the updates in one large operation is faster.< / span > < / div >
< div class = "line" > < a name = "l00418" > < / a > < span class = "lineno" > 418< / span >   < span class = "comment" > // Note however that if we do not want to re-extract the full model< / span > < / div >
< div class = "line" > < a name = "l00419" > < / a > < span class = "lineno" > 419< / span >   < span class = "comment" > // for each solve (supportIncrementalExtraction is true) then we MUST< / span > < / div >
< div class = "line" > < a name = "l00420" > < / a > < span class = "lineno" > 420< / span >   < span class = "comment" > // update the constraint here, otherwise we lose this update information.< / span > < / div >
< div class = "line" > < a name = "l00421" > < / a > < span class = "lineno" > 421< / span >   < / div >
< div class = "line" > < a name = "l00422" > < / a > < span class = "lineno" > 422< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & < / div >
< div class = "line" > < a name = "l00423" > < / a > < span class = "lineno" > 423< / span >   !(slowUpdates & SlowSetConstraintBounds)) {< / div >
< div class = "line" > < a name = "l00424" > < / a > < span class = "lineno" > 424< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00425" > < / a > < span class = "lineno" > 425< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00426" > < / a > < span class = "lineno" > 426< / span >   < span class = "keywordflow" > if< / span > (constraint_is_extracted(< a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > )) {< / div >
< div class = "line" > < a name = "l00427" > < / a > < span class = "lineno" > 427< / span >   < span class = "comment" > // Constraint is already extracted, so we must update its bounds< / span > < / div >
< div class = "line" > < a name = "l00428" > < / a > < span class = "lineno" > 428< / span >   < span class = "comment" > // and its type.< / span > < / div >
< div class = "line" > < a name = "l00429" > < / a > < span class = "lineno" > 429< / span >   < a class = "code" href = "base_2logging_8h.html#ae17f8119c108cf3070bad3449c7e0006" > DCHECK< / a > (mLp != NULL);< / div >
< div class = "line" > < a name = "l00430" > < / a > < span class = "lineno" > 430< / span >   < span class = "keywordtype" > char< / span > sense;< / div >
< div class = "line" > < a name = "l00431" > < / a > < span class = "lineno" > 431< / span >   < span class = "keywordtype" > double< / span > range, rhs;< / div >
< div class = "line" > < a name = "l00432" > < / a > < span class = "lineno" > 432< / span >   MakeRhs(lb, ub, rhs, sense, range);< / div >
< div class = "line" > < a name = "l00433" > < / a > < span class = "lineno" > 433< / span >   CHECK_STATUS(CPXXchgrhs(mEnv, mLp, 1, & < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & lb));< / div >
< div class = "line" > < a name = "l00434" > < / a > < span class = "lineno" > 434< / span >   CHECK_STATUS(CPXXchgsense(mEnv, mLp, 1, & < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & sense));< / div >
< div class = "line" > < a name = "l00435" > < / a > < span class = "lineno" > 435< / span >   CHECK_STATUS(CPXXchgrngval(mEnv, mLp, 1, & < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > , & range));< / div >
< div class = "line" > < a name = "l00436" > < / a > < span class = "lineno" > 436< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00437" > < / a > < span class = "lineno" > 437< / span >   < span class = "comment" > // Constraint is not yet extracted. It is sufficient to mark the< / span > < / div >
< div class = "line" > < a name = "l00438" > < / a > < span class = "lineno" > 438< / span >   < span class = "comment" > // modeling object as " out of sync" < / span > < / div >
< div class = "line" > < a name = "l00439" > < / a > < span class = "lineno" > 439< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00440" > < / a > < span class = "lineno" > 440< / span >   }< / div >
< div class = "line" > < a name = "l00441" > < / a > < span class = "lineno" > 441< / span >   }< / div >
< div class = "line" > < a name = "l00442" > < / a > < span class = "lineno" > 442< / span >   }< / div >
< div class = "line" > < a name = "l00443" > < / a > < span class = "lineno" > 443< / span >   < / div >
< div class = "line" > < a name = "l00444" > < / a > < span class = "lineno" > 444< / span >   < span class = "keywordtype" > void< / span > CplexInterface::AddRowConstraint(MPConstraint* < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > ) {< / div >
< div class = "line" > < a name = "l00445" > < / a > < span class = "lineno" > 445< / span >   < span class = "comment" > // This is currently only invoked when a new constraint is created,< / span > < / div >
< div class = "line" > < a name = "l00446" > < / a > < span class = "lineno" > 446< / span >   < span class = "comment" > // see MPSolver::MakeRowConstraint().< / span > < / div >
< div class = "line" > < a name = "l00447" > < / a > < span class = "lineno" > 447< / span >   < span class = "comment" > // At this point we only have the lower and upper bounds of the< / span > < / div >
< div class = "line" > < a name = "l00448" > < / a > < span class = "lineno" > 448< / span >   < span class = "comment" > // constraint. We could immediately call CPXXaddrows() here but it is< / span > < / div >
< div class = "line" > < a name = "l00449" > < / a > < span class = "lineno" > 449< / span >   < span class = "comment" > // usually much faster to handle the fully populated constraint in< / span > < / div >
< div class = "line" > < a name = "l00450" > < / a > < span class = "lineno" > 450< / span >   < span class = "comment" > // ExtractNewConstraints() right before the solve.< / span > < / div >
< div class = "line" > < a name = "l00451" > < / a > < span class = "lineno" > 451< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00452" > < / a > < span class = "lineno" > 452< / span >   }< / div >
< div class = "line" > < a name = "l00453" > < / a > < span class = "lineno" > 453< / span >   < / div >
< div class = "line" > < a name = "l00454" > < / a > < span class = "lineno" > 454< / span >   < span class = "keywordtype" > void< / span > CplexInterface::AddVariable(MPVariable* < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > ) {< / div >
< div class = "line" > < a name = "l00455" > < / a > < span class = "lineno" > 455< / span >   < span class = "comment" > // This is currently only invoked when a new variable is created,< / span > < / div >
< div class = "line" > < a name = "l00456" > < / a > < span class = "lineno" > 456< / span >   < span class = "comment" > // see MPSolver::MakeVar().< / span > < / div >
< div class = "line" > < a name = "l00457" > < / a > < span class = "lineno" > 457< / span >   < span class = "comment" > // At this point the variable does not appear in any constraints or< / span > < / div >
< div class = "line" > < a name = "l00458" > < / a > < span class = "lineno" > 458< / span >   < span class = "comment" > // the objective function. We could invoke CPXXaddcols() to immediately< / span > < / div >
< div class = "line" > < a name = "l00459" > < / a > < span class = "lineno" > 459< / span >   < span class = "comment" > // create the variable here but it is usually much faster to handle the< / span > < / div >
< div class = "line" > < a name = "l00460" > < / a > < span class = "lineno" > 460< / span >   < span class = "comment" > // fully setup variable in ExtractNewVariables() right before the solve.< / span > < / div >
< div class = "line" > < a name = "l00461" > < / a > < span class = "lineno" > 461< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00462" > < / a > < span class = "lineno" > 462< / span >   }< / div >
< div class = "line" > < a name = "l00463" > < / a > < span class = "lineno" > 463< / span >   < / div >
< div class = "line" > < a name = "l00464" > < / a > < span class = "lineno" > 464< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetCoefficient(MPConstraint* < span class = "keyword" > const< / span > constraint,< / div >
< div class = "line" > < a name = "l00465" > < / a > < span class = "lineno" > 465< / span >   MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
< div class = "line" > < a name = "l00466" > < / a > < span class = "lineno" > 466< / span >   < span class = "keywordtype" > double< / span > new_value, < span class = "keywordtype" > double< / span > ) {< / div >
< div class = "line" > < a name = "l00467" > < / a > < span class = "lineno" > 467< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00468" > < / a > < span class = "lineno" > 468< / span >   < / div >
< div class = "line" > < a name = "l00469" > < / a > < span class = "lineno" > 469< / span >   < span class = "comment" > // Changing a single coefficient in the matrix is potentially pretty< / span > < / div >
< div class = "line" > < a name = "l00470" > < / a > < span class = "lineno" > 470< / span >   < span class = "comment" > // slow since that coefficient has to be found in the sparse matrix< / span > < / div >
< div class = "line" > < a name = "l00471" > < / a > < span class = "lineno" > 471< / span >   < span class = "comment" > // representation. So by default we don' t perform this update immediately< / span > < / div >
< div class = "line" > < a name = "l00472" > < / a > < span class = "lineno" > 472< / span >   < span class = "comment" > // but instead mark the low-level modeling object " out of sync" .< / span > < / div >
< div class = "line" > < a name = "l00473" > < / a > < span class = "lineno" > 473< / span >   < span class = "comment" > // If we want to support incremental extraction then we MUST perform< / span > < / div >
< div class = "line" > < a name = "l00474" > < / a > < span class = "lineno" > 474< / span >   < span class = "comment" > // the modification immediately or we will lose it.< / span > < / div >
< div class = "line" > < a name = "l00475" > < / a > < span class = "lineno" > 475< / span >   < / div >
< div class = "line" > < a name = "l00476" > < / a > < span class = "lineno" > 476< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & !(slowUpdates & SlowSetCoefficient)) {< / div >
< div class = "line" > < a name = "l00477" > < / a > < span class = "lineno" > 477< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00478" > < / a > < span class = "lineno" > 478< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00479" > < / a > < span class = "lineno" > 479< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = constraint-> index();< / div >
< div class = "line" > < a name = "l00480" > < / a > < span class = "lineno" > 480< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = variable-> index();< / div >
< div class = "line" > < a name = "l00481" > < / a > < span class = "lineno" > 481< / span >   < span class = "keywordflow" > if< / span > (constraint_is_extracted(< a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ) & & variable_is_extracted(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a name = "l00482" > < / a > < span class = "lineno" > 482< / span >   < span class = "comment" > // If row and column are both extracted then we can directly< / span > < / div >
< div class = "line" > < a name = "l00483" > < / a > < span class = "lineno" > 483< / span >   < span class = "comment" > // update the modeling object< / span > < / div >
< div class = "line" > < a name = "l00484" > < / a > < span class = "lineno" > 484< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (< a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > , last_constraint_index_);< / div >
< div class = "line" > < a name = "l00485" > < / a > < span class = "lineno" > 485< / span >   < a class = "code" href = "base_2logging_8h.html#a4395e95bab44e222cb2e77251017a0e2" > DCHECK_LE< / a > (< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , last_variable_index_);< / div >
< div class = "line" > < a name = "l00486" > < / a > < span class = "lineno" > 486< / span >   CHECK_STATUS(CPXXchgcoef(mEnv, mLp, < a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > , < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , new_value));< / div >
< div class = "line" > < a name = "l00487" > < / a > < span class = "lineno" > 487< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00488" > < / a > < span class = "lineno" > 488< / span >   < span class = "comment" > // If either row or column is not yet extracted then we can< / span > < / div >
< div class = "line" > < a name = "l00489" > < / a > < span class = "lineno" > 489< / span >   < span class = "comment" > // defer the update to ExtractModel()< / span > < / div >
< div class = "line" > < a name = "l00490" > < / a > < span class = "lineno" > 490< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00491" > < / a > < span class = "lineno" > 491< / span >   }< / div >
< div class = "line" > < a name = "l00492" > < / a > < span class = "lineno" > 492< / span >   }< / div >
< div class = "line" > < a name = "l00493" > < / a > < span class = "lineno" > 493< / span >   }< / div >
< div class = "line" > < a name = "l00494" > < / a > < span class = "lineno" > 494< / span >   < / div >
< div class = "line" > < a name = "l00495" > < / a > < span class = "lineno" > 495< / span >   < span class = "keywordtype" > void< / span > CplexInterface::ClearConstraint(MPConstraint* < span class = "keyword" > const< / span > constraint) {< / div >
< div class = "line" > < a name = "l00496" > < / a > < span class = "lineno" > 496< / span >   CPXDIM < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = constraint-> index();< / div >
< div class = "line" > < a name = "l00497" > < / a > < span class = "lineno" > 497< / span >   < span class = "keywordflow" > if< / span > (!constraint_is_extracted(< a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ))< / div >
< div class = "line" > < a name = "l00498" > < / a > < span class = "lineno" > 498< / span >   < span class = "comment" > // There is nothing to do if the constraint was not even extracted.< / span > < / div >
< div class = "line" > < a name = "l00499" > < / a > < span class = "lineno" > 499< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00500" > < / a > < span class = "lineno" > 500< / span >   < / div >
< div class = "line" > < a name = "l00501" > < / a > < span class = "lineno" > 501< / span >   < span class = "comment" > // Clearing a constraint means setting all coefficients in the corresponding< / span > < / div >
< div class = "line" > < a name = "l00502" > < / a > < span class = "lineno" > 502< / span >   < span class = "comment" > // row to 0 (we cannot just delete the row since that would renumber all< / span > < / div >
< div class = "line" > < a name = "l00503" > < / a > < span class = "lineno" > 503< / span >   < span class = "comment" > // the constraints/rows after it).< / span > < / div >
< div class = "line" > < a name = "l00504" > < / a > < span class = "lineno" > 504< / span >   < span class = "comment" > // Modifying coefficients in the matrix is potentially pretty expensive< / span > < / div >
< div class = "line" > < a name = "l00505" > < / a > < span class = "lineno" > 505< / span >   < span class = "comment" > // since they must be found in the sparse matrix representation. That is< / span > < / div >
< div class = "line" > < a name = "l00506" > < / a > < span class = "lineno" > 506< / span >   < span class = "comment" > // why by default we do not modify the coefficients here but only mark< / span > < / div >
< div class = "line" > < a name = "l00507" > < / a > < span class = "lineno" > 507< / span >   < span class = "comment" > // the low-level modeling object " out of sync" .< / span > < / div >
< div class = "line" > < a name = "l00508" > < / a > < span class = "lineno" > 508< / span >   < / div >
< div class = "line" > < a name = "l00509" > < / a > < span class = "lineno" > 509< / span >   < span class = "keywordflow" > if< / span > (!(slowUpdates & SlowClearConstraint)) {< / div >
< div class = "line" > < a name = "l00510" > < / a > < span class = "lineno" > 510< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00511" > < / a > < span class = "lineno" > 511< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00512" > < / a > < span class = "lineno" > 512< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00513" > < / a > < span class = "lineno" > 513< / span >   < / div >
< div class = "line" > < a name = "l00514" > < / a > < span class = "lineno" > 514< / span >   CPXDIM < span class = "keyword" > const< / span > len = constraint-> coefficients_.size();< / div >
< div class = "line" > < a name = "l00515" > < / a > < span class = "lineno" > 515< / span >   unique_ptr< CPXDIM[]> rowind(< span class = "keyword" > new< / span > CPXDIM[len]);< / div >
< div class = "line" > < a name = "l00516" > < / a > < span class = "lineno" > 516< / span >   unique_ptr< CPXDIM[]> colind(< span class = "keyword" > new< / span > CPXDIM[len]);< / div >
< div class = "line" > < a name = "l00517" > < / a > < span class = "lineno" > 517< / span >   unique_ptr< double[]> val(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [len]);< / div >
< div class = "line" > < a name = "l00518" > < / a > < span class = "lineno" > 518< / span >   CPXDIM j = 0;< / div >
< div class = "line" > < a name = "l00519" > < / a > < span class = "lineno" > 519< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = constraint-> coefficients_;< / div >
< div class = "line" > < a name = "l00520" > < / a > < span class = "lineno" > 520< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00521" > < / a > < span class = "lineno" > 521< / span >   CPXDIM < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = it-> first-> index();< / div >
< div class = "line" > < a name = "l00522" > < / a > < span class = "lineno" > 522< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > )) {< / div >
< div class = "line" > < a name = "l00523" > < / a > < span class = "lineno" > 523< / span >   rowind[j] = < a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > ;< / div >
< div class = "line" > < a name = "l00524" > < / a > < span class = "lineno" > 524< / span >   colind[j] = < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ;< / div >
< div class = "line" > < a name = "l00525" > < / a > < span class = "lineno" > 525< / span >   val[j] = 0.0;< / div >
< div class = "line" > < a name = "l00526" > < / a > < span class = "lineno" > 526< / span >   ++j;< / div >
< div class = "line" > < a name = "l00527" > < / a > < span class = "lineno" > 527< / span >   }< / div >
< div class = "line" > < a name = "l00528" > < / a > < span class = "lineno" > 528< / span >   }< / div >
< div class = "line" > < a name = "l00529" > < / a > < span class = "lineno" > 529< / span >   < span class = "keywordflow" > if< / span > (j)< / div >
< div class = "line" > < a name = "l00530" > < / a > < span class = "lineno" > 530< / span >   CHECK_STATUS(< / div >
< div class = "line" > < a name = "l00531" > < / a > < span class = "lineno" > 531< / span >   CPXXchgcoeflist(mEnv, mLp, j, rowind.get(), colind.get(), val.get()));< / div >
< div class = "line" > < a name = "l00532" > < / a > < span class = "lineno" > 532< / span >   }< / div >
< div class = "line" > < a name = "l00533" > < / a > < span class = "lineno" > 533< / span >   }< / div >
< div class = "line" > < a name = "l00534" > < / a > < span class = "lineno" > 534< / span >   < / div >
< div class = "line" > < a name = "l00535" > < / a > < span class = "lineno" > 535< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetObjectiveCoefficient(MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > variable,< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00536" > < / a > < span class = "lineno" > 536< / span >   < span class = "keywordtype" > double< / span > < a class = "code" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > ) {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00537" > < / a > < span class = "lineno" > 537< / span >   CPXDIM < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > = variable-> index();< / div >
< div class = "line" > < a name = "l00538" > < / a > < span class = "lineno" > 538< / span >   < span class = "keywordflow" > if< / span > (!variable_is_extracted(< a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > ))< / div >
< div class = "line" > < a name = "l00539" > < / a > < span class = "lineno" > 539< / span >   < span class = "comment" > // Nothing to do if variable was not even extracted< / span > < / div >
< div class = "line" > < a name = "l00540" > < / a > < span class = "lineno" > 540< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l00541" > < / a > < span class = "lineno" > 541< / span >   < / div >
< div class = "line" > < a name = "l00542" > < / a > < span class = "lineno" > 542< / span >   InvalidateSolutionSynchronization();< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00543" > < / a > < span class = "lineno" > 543< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00544" > < / a > < span class = "lineno" > 544< / span >   < span class = "comment" > // The objective function is stored as a dense vector, so updating a< / span > < / div >
< div class = "line" > < a name = "l00545" > < / a > < span class = "lineno" > 545< / span >   < span class = "comment" > // single coefficient is O(1). So by default we update the low-level< / span > < / div >
< div class = "line" > < a name = "l00546" > < / a > < span class = "lineno" > 546< / span >   < span class = "comment" > // modeling object here.< / span > < / div >
< div class = "line" > < a name = "l00547" > < / a > < span class = "lineno" > 547< / span >   < span class = "comment" > // If we support incremental extraction then we have no choice but to< / span > < / div >
< div class = "line" > < a name = "l00548" > < / a > < span class = "lineno" > 548< / span >   < span class = "comment" > // perform the update immediately.< / span > < / div >
< div class = "line" > < a name = "l00549" > < / a > < span class = "lineno" > 549< / span >   < / div >
< div class = "line" > < a name = "l00550" > < / a > < span class = "lineno" > 550< / span >   < span class = "keywordflow" > if< / span > (supportIncrementalExtraction ||< / div >
< div class = "line" > < a name = "l00551" > < / a > < span class = "lineno" > 551< / span >   (slowUpdates & SlowSetObjectiveCoefficient)) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00552" > < / a > < span class = "lineno" > 552< / span >   CHECK_STATUS(CPXXchgobj(mEnv, mLp, 1, & < a class = "code" href = "markowitz_8cc.html#aa9d6c98fdf8d89b0e2321fda02adc82c" > col< / a > , & < a class = "code" href = "routing__filters_8cc.html#a8e4ee19dee0e00541dbe9bbc83d806ba" > coefficient< / a > ));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00553" > < / a > < span class = "lineno" > 553< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00554" > < / a > < span class = "lineno" > 554< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00555" > < / a > < span class = "lineno" > 555< / span >   }< / div >
< div class = "line" > < a name = "l00556" > < / a > < span class = "lineno" > 556< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00557" > < / a > < span class = "lineno" > 557< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetObjectiveOffset(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00558" > < / a > < span class = "lineno" > 558< / span >   < span class = "comment" > // Changing the objective offset is O(1), so we always do it immediately.< / span > < / div >
< div class = "line" > < a name = "l00559" > < / a > < span class = "lineno" > 559< / span >   InvalidateSolutionSynchronization();< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00560" > < / a > < span class = "lineno" > 560< / span >   CHECK_STATUS(CPXEsetobjoffset(mEnv, mLp, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00561" > < / a > < span class = "lineno" > 561< / span >   }< / div >
< div class = "line" > < a name = "l00562" > < / a > < span class = "lineno" > 562< / span >   < / div >
< div class = "line" > < a name = "l00563" > < / a > < span class = "lineno" > 563< / span >   < span class = "keywordtype" > void< / span > CplexInterface::ClearObjective() {< / div >
< div class = "line" > < a name = "l00564" > < / a > < span class = "lineno" > 564< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00565" > < / a > < span class = "lineno" > 565< / span >   < / div >
< div class = "line" > < a name = "l00566" > < / a > < span class = "lineno" > 566< / span >   < span class = "comment" > // Since the objective function is stored as a dense vector updating< / span > < / div >
< div class = "line" > < a name = "l00567" > < / a > < span class = "lineno" > 567< / span >   < span class = "comment" > // it is O(n), so we usually perform the update immediately.< / span > < / div >
< div class = "line" > < a name = "l00568" > < / a > < span class = "lineno" > 568< / span >   < span class = "comment" > // If we want to support incremental extraction then we have no choice< / span > < / div >
< div class = "line" > < a name = "l00569" > < / a > < span class = "lineno" > 569< / span >   < span class = "comment" > // but to perform the update immediately.< / span > < / div >
< div class = "line" > < a name = "l00570" > < / a > < span class = "lineno" > 570< / span >   < / div >
< div class = "line" > < a name = "l00571" > < / a > < span class = "lineno" > 571< / span >   < span class = "keywordflow" > if< / span > (supportIncrementalExtraction || (slowUpdates & SlowClearObjective)) {< / div >
< div class = "line" > < a name = "l00572" > < / a > < span class = "lineno" > 572< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00573" > < / a > < span class = "lineno" > 573< / span >   unique_ptr< CPXDIM[]> ind(< span class = "keyword" > new< / span > CPXDIM[cols]);< / div >
< div class = "line" > < a name = "l00574" > < / a > < span class = "lineno" > 574< / span >   unique_ptr< double[]> zero(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l00575" > < / a > < span class = "lineno" > 575< / span >   CPXDIM j = 0;< / div >
< div class = "line" > < a name = "l00576" > < / a > < span class = "lineno" > 576< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = solver_-> objective_-> coefficients_;< / div >
< div class = "line" > < a name = "l00577" > < / a > < span class = "lineno" > 577< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00578" > < / a > < span class = "lineno" > 578< / span >   CPXDIM < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a name = "l00579" > < / a > < span class = "lineno" > 579< / span >   < span class = "comment" > // We only need to reset variables that have been extracted.< / span > < / div >
< div class = "line" > < a name = "l00580" > < / a > < span class = "lineno" > 580< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a name = "l00581" > < / a > < span class = "lineno" > 581< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a name = "l00582" > < / a > < span class = "lineno" > 582< / span >   ind[j] = idx;< / div >
< div class = "line" > < a name = "l00583" > < / a > < span class = "lineno" > 583< / span >   zero[j] = 0.0;< / div >
< div class = "line" > < a name = "l00584" > < / a > < span class = "lineno" > 584< / span >   ++j;< / div >
< div class = "line" > < a name = "l00585" > < / a > < span class = "lineno" > 585< / span >   }< / div >
< div class = "line" > < a name = "l00586" > < / a > < span class = "lineno" > 586< / span >   }< / div >
< div class = "line" > < a name = "l00587" > < / a > < span class = "lineno" > 587< / span >   < span class = "keywordflow" > if< / span > (j > 0) CHECK_STATUS(CPXXchgobj(mEnv, mLp, j, ind.get(), zero.get()));< / div >
< div class = "line" > < a name = "l00588" > < / a > < span class = "lineno" > 588< / span >   CHECK_STATUS(CPXEsetobjoffset(mEnv, mLp, 0.0));< / div >
< div class = "line" > < a name = "l00589" > < / a > < span class = "lineno" > 589< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00590" > < / a > < span class = "lineno" > 590< / span >   InvalidateModelSynchronization();< / div >
< div class = "line" > < a name = "l00591" > < / a > < span class = "lineno" > 591< / span >   }< / div >
< div class = "line" > < a name = "l00592" > < / a > < span class = "lineno" > 592< / span >   < / div >
< div class = "line" > < a name = "l00593" > < / a > < span class = "lineno" > 593< / span >   < span class = "comment" > // ------ Query statistics on the solution and the solve ------< / span > < / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00594" > < / a > < span class = "lineno" > 594< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00595" > < / a > < span class = "lineno" > 595< / span >   int64_t CplexInterface::iterations()< span class = "keyword" > const < / span > {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00596" > < / a > < span class = "lineno" > 596< / span >   < span class = "keywordtype" > int< / span > iter;< / div >
< div class = "line" > < a name = "l00597" > < / a > < span class = "lineno" > 597< / span >   < span class = "keywordflow" > if< / span > (!CheckSolutionIsSynchronized()) < span class = "keywordflow" > return< / span > kUnknownNumberOfIterations;< / div >
< div class = "line" > < a name = "l00598" > < / a > < span class = "lineno" > 598< / span >   < span class = "keywordflow" > if< / span > (mMip)< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00599" > < / a > < span class = "lineno" > 599< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (CPXXgetmipitcnt(mEnv, mLp));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00600" > < / a > < span class = "lineno" > 600< / span >   < span class = "keywordflow" > else< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00601" > < / a > < span class = "lineno" > 601< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (CPXXgetitcnt(mEnv, mLp));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00602" > < / a > < span class = "lineno" > 602< / span >   }< / div >
< div class = "line" > < a name = "l00603" > < / a > < span class = "lineno" > 603< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00604" > < / a > < span class = "lineno" > 604< / span >   int64_t < a class = "code" href = "routing__search_8cc.html#a6b7983ccd32c86cbbc3d4d9cda4cac17" > CplexInterface::nodes< / a > ()< span class = "keyword" > const < / span > {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00605" > < / a > < span class = "lineno" > 605< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l00606" > < / a > < span class = "lineno" > 606< / span >   < span class = "keywordflow" > if< / span > (!CheckSolutionIsSynchronized()) < span class = "keywordflow" > return< / span > kUnknownNumberOfNodes;< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00607" > < / a > < span class = "lineno" > 607< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > static_cast< < / span > int64_t< span class = "keyword" > > < / span > (CPXXgetnodecnt(mEnv, mLp));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00608" > < / a > < span class = "lineno" > 608< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00609" > < / a > < span class = "lineno" > 609< / span >   < a class = "code" 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 name = "l00610" > < / a > < span class = "lineno" > 610< / span >   < span class = "keywordflow" > return< / span > kUnknownNumberOfNodes;< / div >
< div class = "line" > < a name = "l00611" > < / a > < span class = "lineno" > 611< / span >   }< / div >
< div class = "line" > < a name = "l00612" > < / a > < span class = "lineno" > 612< / span >   }< / div >
< div class = "line" > < a name = "l00613" > < / a > < span class = "lineno" > 613< / span >   < / div >
< div class = "line" > < a name = "l00614" > < / a > < span class = "lineno" > 614< / span >   < span class = "comment" > // Transform a CPLEX basis status to an MPSolver basis status.< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00615" > < / a > < span class = "lineno" > 615< / span >   MPSolver::BasisStatus CplexInterface::xformBasisStatus(< span class = "keywordtype" > int< / span > cplex_basis_status) {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00616" > < / a > < span class = "lineno" > 616< / span >   < span class = "keywordflow" > switch< / span > (cplex_basis_status) {< / div >
< div class = "line" > < a name = "l00617" > < / a > < span class = "lineno" > 617< / span >   < span class = "keywordflow" > case< / span > CPX_AT_LOWER:< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00618" > < / a > < span class = "lineno" > 618< / span >   < span class = "keywordflow" > return< / span > MPSolver::AT_LOWER_BOUND;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00619" > < / a > < span class = "lineno" > 619< / span >   < span class = "keywordflow" > case< / span > CPX_BASIC:< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00620" > < / a > < span class = "lineno" > 620< / span >   < span class = "keywordflow" > return< / span > MPSolver::BASIC;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00621" > < / a > < span class = "lineno" > 621< / span >   < span class = "keywordflow" > case< / span > CPX_AT_UPPER:< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00622" > < / a > < span class = "lineno" > 622< / span >   < span class = "keywordflow" > return< / span > MPSolver::AT_UPPER_BOUND;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00623" > < / a > < span class = "lineno" > 623< / span >   < span class = "keywordflow" > case< / span > CPX_FREE_SUPER:< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00624" > < / a > < span class = "lineno" > 624< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00625" > < / a > < span class = "lineno" > 625< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00626" > < / a > < span class = "lineno" > 626< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (DFATAL) < < < span class = "stringliteral" > " Unknown CPLEX basis status" < / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00627" > < / a > < span class = "lineno" > 627< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00628" > < / a > < span class = "lineno" > 628< / span >   }< / div >
< div class = "line" > < a name = "l00629" > < / a > < span class = "lineno" > 629< / span >   }< / div >
< div class = "line" > < a name = "l00630" > < / a > < span class = "lineno" > 630< / span >   < / div >
< div class = "line" > < a name = "l00631" > < / a > < span class = "lineno" > 631< / span >   < span class = "comment" > // Returns the basis status of a row.< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00632" > < / a > < span class = "lineno" > 632< / span >   MPSolver::BasisStatus CplexInterface::row_status(< span class = "keywordtype" > int< / span > constraint_index)< span class = "keyword" > const < / span > {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00633" > < / a > < span class = "lineno" > 633< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l00634" > < / a > < span class = "lineno" > 634< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Basis status only available for continuous problems" < / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00635" > < / a > < span class = "lineno" > 635< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00636" > < / a > < span class = "lineno" > 636< / span >   }< / div >
< div class = "line" > < a name = "l00637" > < / a > < span class = "lineno" > 637< / span >   < / div >
< div class = "line" > < a name = "l00638" > < / a > < span class = "lineno" > 638< / span >   < span class = "keywordflow" > if< / span > (CheckSolutionIsSynchronized()) {< / div >
< div class = "line" > < a name = "l00639" > < / a > < span class = "lineno" > 639< / span >   < span class = "keywordflow" > if< / span > (!mRstat) {< / div >
< div class = "line" > < a name = "l00640" > < / a > < span class = "lineno" > 640< / span >   CPXDIM < span class = "keyword" > const< / span > rows = CPXXgetnumrows(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00641" > < / a > < span class = "lineno" > 641< / span >   unique_ptr< int[]> data(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [rows]);< / div >
< div class = "line" > < a name = "l00642" > < / a > < span class = "lineno" > 642< / span >   mRstat.swap(data);< / div >
< div class = "line" > < a name = "l00643" > < / a > < span class = "lineno" > 643< / span >   CHECK_STATUS(CPXXgetbase(mEnv, mLp, 0, mRstat.get()));< / div >
< div class = "line" > < a name = "l00644" > < / a > < span class = "lineno" > 644< / span >   }< / div >
< div class = "line" > < a name = "l00645" > < / a > < span class = "lineno" > 645< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00646" > < / a > < span class = "lineno" > 646< / span >   mRstat = 0;< / div >
< div class = "line" > < a name = "l00647" > < / a > < span class = "lineno" > 647< / span >   < / div >
< div class = "line" > < a name = "l00648" > < / a > < span class = "lineno" > 648< / span >   < span class = "keywordflow" > if< / span > (mRstat)< / div >
< div class = "line" > < a name = "l00649" > < / a > < span class = "lineno" > 649< / span >   < span class = "keywordflow" > return< / span > xformBasisStatus(mRstat[constraint_index]);< / div >
< div class = "line" > < a name = "l00650" > < / a > < span class = "lineno" > 650< / span >   < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00651" > < / a > < span class = "lineno" > 651< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Row basis status not available" < / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00652" > < / a > < span class = "lineno" > 652< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00653" > < / a > < span class = "lineno" > 653< / span >   }< / div >
< div class = "line" > < a name = "l00654" > < / a > < span class = "lineno" > 654< / span >   }< / div >
< div class = "line" > < a name = "l00655" > < / a > < span class = "lineno" > 655< / span >   < / div >
< div class = "line" > < a name = "l00656" > < / a > < span class = "lineno" > 656< / span >   < span class = "comment" > // Returns the basis status of a column.< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00657" > < / a > < span class = "lineno" > 657< / span >   MPSolver::BasisStatus CplexInterface::column_status(< span class = "keywordtype" > int< / span > variable_index)< span class = "keyword" > const < / span > {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00658" > < / a > < span class = "lineno" > 658< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l00659" > < / a > < span class = "lineno" > 659< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Basis status only available for continuous problems" < / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00660" > < / a > < span class = "lineno" > 660< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00661" > < / a > < span class = "lineno" > 661< / span >   }< / div >
< div class = "line" > < a name = "l00662" > < / a > < span class = "lineno" > 662< / span >   < / div >
< div class = "line" > < a name = "l00663" > < / a > < span class = "lineno" > 663< / span >   < span class = "keywordflow" > if< / span > (CheckSolutionIsSynchronized()) {< / div >
< div class = "line" > < a name = "l00664" > < / a > < span class = "lineno" > 664< / span >   < span class = "keywordflow" > if< / span > (!mCstat) {< / div >
< div class = "line" > < a name = "l00665" > < / a > < span class = "lineno" > 665< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00666" > < / a > < span class = "lineno" > 666< / span >   unique_ptr< int[]> data(< span class = "keyword" > new< / span > < span class = "keywordtype" > int< / span > [cols]);< / div >
< div class = "line" > < a name = "l00667" > < / a > < span class = "lineno" > 667< / span >   mCstat.swap(data);< / div >
< div class = "line" > < a name = "l00668" > < / a > < span class = "lineno" > 668< / span >   CHECK_STATUS(CPXXgetbase(mEnv, mLp, mCstat.get(), 0));< / div >
< div class = "line" > < a name = "l00669" > < / a > < span class = "lineno" > 669< / span >   }< / div >
< div class = "line" > < a name = "l00670" > < / a > < span class = "lineno" > 670< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l00671" > < / a > < span class = "lineno" > 671< / span >   mCstat = 0;< / div >
< div class = "line" > < a name = "l00672" > < / a > < span class = "lineno" > 672< / span >   < / div >
< div class = "line" > < a name = "l00673" > < / a > < span class = "lineno" > 673< / span >   < span class = "keywordflow" > if< / span > (mCstat)< / div >
< div class = "line" > < a name = "l00674" > < / a > < span class = "lineno" > 674< / span >   < span class = "keywordflow" > return< / span > xformBasisStatus(mCstat[variable_index]);< / div >
< div class = "line" > < a name = "l00675" > < / a > < span class = "lineno" > 675< / span >   < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00676" > < / a > < span class = "lineno" > 676< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#acdd38e3c9f22f127d7776920e3079eda" > FATAL< / a > ) < < < span class = "stringliteral" > " Column basis status not available" < / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00677" > < / a > < span class = "lineno" > 677< / span >   < span class = "keywordflow" > return< / span > MPSolver::FREE;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00678" > < / a > < span class = "lineno" > 678< / span >   }< / div >
< div class = "line" > < a name = "l00679" > < / a > < span class = "lineno" > 679< / span >   }< / div >
< div class = "line" > < a name = "l00680" > < / a > < span class = "lineno" > 680< / span >   < / div >
< div class = "line" > < a name = "l00681" > < / a > < span class = "lineno" > 681< / span >   < span class = "comment" > // Extract all variables that have not yet been extracted.< / span > < / div >
< div class = "line" > < a name = "l00682" > < / a > < span class = "lineno" > 682< / span >   < span class = "keywordtype" > void< / span > CplexInterface::ExtractNewVariables() {< / div >
< div class = "line" > < a name = "l00683" > < / a > < span class = "lineno" > 683< / span >   < span class = "comment" > // NOTE: The code assumes that a linear expression can never contain< / span > < / div >
< div class = "line" > < a name = "l00684" > < / a > < span class = "lineno" > 684< / span >   < span class = "comment" > // non-zero duplicates.< / span > < / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00685" > < / a > < span class = "lineno" > 685< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00686" > < / a > < span class = "lineno" > 686< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00687" > < / a > < span class = "lineno" > 687< / span >   < / div >
< div class = "line" > < a name = "l00688" > < / a > < span class = "lineno" > 688< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction) {< / div >
< div class = "line" > < a name = "l00689" > < / a > < span class = "lineno" > 689< / span >   < span class = "comment" > // Without incremental extraction ExtractModel() is always called< / span > < / div >
< div class = "line" > < a name = "l00690" > < / a > < span class = "lineno" > 690< / span >   < span class = "comment" > // to extract the full model.< / span > < / div >
< div class = "line" > < a name = "l00691" > < / a > < span class = "lineno" > 691< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_variable_index_ == 0 ||< / div >
< div class = "line" > < a name = "l00692" > < / a > < span class = "lineno" > 692< / span >   last_variable_index_ == solver_-> variables_.size());< / div >
< div class = "line" > < a name = "l00693" > < / a > < span class = "lineno" > 693< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_constraint_index_ == 0 ||< / div >
< div class = "line" > < a name = "l00694" > < / a > < span class = "lineno" > 694< / span >   last_constraint_index_ == solver_-> constraints_.size());< / div >
< div class = "line" > < a name = "l00695" > < / a > < span class = "lineno" > 695< / span >   }< / div >
< div class = "line" > < a name = "l00696" > < / a > < span class = "lineno" > 696< / span >   < / div >
< div class = "line" > < a name = "l00697" > < / a > < span class = "lineno" > 697< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > last_extracted = last_variable_index_;< / div >
< div class = "line" > < a name = "l00698" > < / a > < span class = "lineno" > 698< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > var_count = solver_-> variables_.size();< / div >
< div class = "line" > < a name = "l00699" > < / a > < span class = "lineno" > 699< / span >   CPXDIM newcols = var_count - last_extracted;< / div >
< div class = "line" > < a name = "l00700" > < / a > < span class = "lineno" > 700< / span >   < span class = "keywordflow" > if< / span > (newcols > 0) {< / div >
< div class = "line" > < a name = "l00701" > < / a > < span class = "lineno" > 701< / span >   < span class = "comment" > // There are non-extracted variables. Extract them now.< / span > < / div >
< div class = "line" > < a name = "l00702" > < / a > < span class = "lineno" > 702< / span >   < / div >
< div class = "line" > < a name = "l00703" > < / a > < span class = "lineno" > 703< / span >   unique_ptr< double[]> obj(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a name = "l00704" > < / a > < span class = "lineno" > 704< / span >   unique_ptr< double[]> lb(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a name = "l00705" > < / a > < span class = "lineno" > 705< / span >   unique_ptr< double[]> ub(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [newcols]);< / div >
< div class = "line" > < a name = "l00706" > < / a > < span class = "lineno" > 706< / span >   unique_ptr< char[]> ctype(< span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > [newcols]);< / div >
< div class = "line" > < a name = "l00707" > < / a > < span class = "lineno" > 707< / span >   unique_ptr< const char*[]> colname(< span class = "keyword" > new< / span > < span class = "keyword" > const< / span > < span class = "keywordtype" > char< / span > *[newcols]);< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00708" > < / a > < span class = "lineno" > 708< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00709" > < / a > < span class = "lineno" > 709< / span >   < span class = "keywordtype" > bool< / span > have_names = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00710" > < / a > < span class = "lineno" > 710< / 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 name = "l00711" > < / a > < span class = "lineno" > 711< / span >   MPVariable < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[varidx];< / div >
< div class = "line" > < a name = "l00712" > < / a > < span class = "lineno" > 712< / span >   lb[j] = < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> lb();< / div >
< div class = "line" > < a name = "l00713" > < / a > < span class = "lineno" > 713< / span >   ub[j] = < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> ub();< / div >
< div class = "line" > < a name = "l00714" > < / a > < span class = "lineno" > 714< / span >   ctype[j] = < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> integer() ? CPX_INTEGER : CPX_CONTINUOUS;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00715" > < / a > < span class = "lineno" > 715< / span >   colname[j] = < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().empty() ? 0 : < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().c_str();< / div >
< div class = "line" > < a name = "l00716" > < / a > < span class = "lineno" > 716< / span >   have_names = have_names || < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name().empty();< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00717" > < / a > < span class = "lineno" > 717< / span >   obj[j] = solver_-> objective_-> GetCoefficient(< a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > );< / div >
< div class = "line" > < a name = "l00718" > < / a > < span class = "lineno" > 718< / span >   }< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00719" > < / a > < span class = "lineno" > 719< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00720" > < / a > < span class = "lineno" > 720< / span >   < span class = "comment" > // Arrays for modifying the problem are setup. Update the index< / span > < / div >
< div class = "line" > < a name = "l00721" > < / a > < span class = "lineno" > 721< / span >   < span class = "comment" > // of variables that will get extracted now. Updating indices< / span > < / div >
< div class = "line" > < a name = "l00722" > < / a > < span class = "lineno" > 722< / span >   < span class = "comment" > // _before_ the actual extraction makes things much simpler in< / span > < / div >
< div class = "line" > < a name = "l00723" > < / a > < span class = "lineno" > 723< / span >   < span class = "comment" > // case we support incremental extraction.< / span > < / div >
< div class = "line" > < a name = "l00724" > < / a > < span class = "lineno" > 724< / span >   < span class = "comment" > // In case of error we just reset the indeces.< / span > < / div >
< div class = "line" > < a name = "l00725" > < / a > < span class = "lineno" > 725< / span >   std::vector< MPVariable*> < span class = "keyword" > const< / span > & variables = solver_-> variables();< / div >
< div class = "line" > < a name = "l00726" > < / a > < span class = "lineno" > 726< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < var_count; ++j) {< / div >
< div class = "line" > < a name = "l00727" > < / a > < span class = "lineno" > 727< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (!variable_is_extracted(variables[j]-> < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > ()));< / div >
< div class = "line" > < a name = "l00728" > < / a > < span class = "lineno" > 728< / span >   set_variable_as_extracted(variables[j]-> < a class = "code" href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > (), < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00729" > < / a > < span class = "lineno" > 729< / span >   }< / div >
< div class = "line" > < a name = "l00730" > < / a > < span class = "lineno" > 730< / span >   < / div >
< div class = "line" > < a name = "l00731" > < / a > < span class = "lineno" > 731< / span >   < span class = "keywordflow" > try< / span > {< / div >
< div class = "line" > < a name = "l00732" > < / a > < span class = "lineno" > 732< / span >   < span class = "keywordtype" > bool< / span > use_newcols = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00733" > < / a > < span class = "lineno" > 733< / span >   < / div >
< div class = "line" > < a name = "l00734" > < / a > < span class = "lineno" > 734< / span >   < span class = "keywordflow" > if< / span > (supportIncrementalExtraction) {< / div >
< div class = "line" > < a name = "l00735" > < / a > < span class = "lineno" > 735< / span >   < span class = "comment" > // If we support incremental extraction then we must< / span > < / div >
< div class = "line" > < a name = "l00736" > < / a > < span class = "lineno" > 736< / span >   < span class = "comment" > // update existing constraints with the new variables.< / span > < / div >
< div class = "line" > < a name = "l00737" > < / a > < span class = "lineno" > 737< / span >   < span class = "comment" > // To do that we use CPXXaddcols() to actually create the< / span > < / div >
< div class = "line" > < a name = "l00738" > < / a > < span class = "lineno" > 738< / span >   < span class = "comment" > // variables. This is supposed to be faster than combining< / span > < / div >
< div class = "line" > < a name = "l00739" > < / a > < span class = "lineno" > 739< / span >   < span class = "comment" > // CPXXnewcols() and CPXXchgcoeflist().< / span > < / div >
< div class = "line" > < a name = "l00740" > < / a > < span class = "lineno" > 740< / span >   < / div >
< div class = "line" > < a name = "l00741" > < / a > < span class = "lineno" > 741< / span >   < span class = "comment" > // For each column count the size of the intersection with< / span > < / div >
< div class = "line" > < a name = "l00742" > < / a > < span class = "lineno" > 742< / span >   < span class = "comment" > // existing constraints.< / span > < / div >
< div class = "line" > < a name = "l00743" > < / a > < span class = "lineno" > 743< / span >   unique_ptr< CPXDIM[]> collen(< span class = "keyword" > new< / span > CPXDIM[newcols]);< / div >
< div class = "line" > < a name = "l00744" > < / a > < span class = "lineno" > 744< / span >   < span class = "keywordflow" > for< / span > (CPXDIM j = 0; j < newcols; ++j) collen[j] = 0;< / div >
< div class = "line" > < a name = "l00745" > < / a > < span class = "lineno" > 745< / span >   CPXNNZ nonzeros = 0;< / div >
< div class = "line" > < a name = "l00746" > < / a > < span class = "lineno" > 746< / span >   < span class = "comment" > // TODO: Use a bitarray to flag the constraints that actually< / span > < / div >
< div class = "line" > < a name = "l00747" > < / a > < span class = "lineno" > 747< / span >   < span class = "comment" > // intersect new variables?< / span > < / div >
< div class = "line" > < a name = "l00748" > < / a > < span class = "lineno" > 748< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < last_constraint_index_; ++i) {< / div >
< div class = "line" > < a name = "l00749" > < / a > < span class = "lineno" > 749< / span >   MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a name = "l00750" > < / a > < span class = "lineno" > 750< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (constraint_is_extracted(< a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index()));< / div >
< div class = "line" > < a name = "l00751" > < / a > < span class = "lineno" > 751< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a name = "l00752" > < / a > < span class = "lineno" > 752< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00753" > < / a > < span class = "lineno" > 753< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a name = "l00754" > < / a > < span class = "lineno" > 754< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(idx) & & idx > last_variable_index_) {< / div >
< div class = "line" > < a name = "l00755" > < / a > < span class = "lineno" > 755< / span >   collen[idx - last_variable_index_]++;< / div >
< div class = "line" > < a name = "l00756" > < / a > < span class = "lineno" > 756< / span >   ++nonzeros;< / div >
< div class = "line" > < a name = "l00757" > < / a > < span class = "lineno" > 757< / span >   }< / div >
< div class = "line" > < a name = "l00758" > < / a > < span class = "lineno" > 758< / span >   }< / div >
< div class = "line" > < a name = "l00759" > < / a > < span class = "lineno" > 759< / span >   }< / div >
< div class = "line" > < a name = "l00760" > < / a > < span class = "lineno" > 760< / span >   < / div >
< div class = "line" > < a name = "l00761" > < / a > < span class = "lineno" > 761< / span >   < span class = "keywordflow" > if< / span > (nonzeros > 0) {< / div >
< div class = "line" > < a name = "l00762" > < / a > < span class = "lineno" > 762< / span >   < span class = "comment" > // At least one of the new variables did intersect with an< / span > < / div >
< div class = "line" > < a name = "l00763" > < / a > < span class = "lineno" > 763< / span >   < span class = "comment" > // old constraint. We have to create the new columns via< / span > < / div >
< div class = "line" > < a name = "l00764" > < / a > < span class = "lineno" > 764< / span >   < span class = "comment" > // CPXXaddcols().< / span > < / div >
< div class = "line" > < a name = "l00765" > < / a > < span class = "lineno" > 765< / span >   use_newcols = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l00766" > < / a > < span class = "lineno" > 766< / span >   unique_ptr< CPXNNZ[]> begin(< span class = "keyword" > new< / span > CPXNNZ[newcols + 2]);< / div >
< div class = "line" > < a name = "l00767" > < / a > < span class = "lineno" > 767< / span >   unique_ptr< CPXDIM[]> cmatind(< span class = "keyword" > new< / span > CPXDIM[nonzeros]);< / div >
< div class = "line" > < a name = "l00768" > < / a > < span class = "lineno" > 768< / span >   unique_ptr< double[]> cmatval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [nonzeros]);< / div >
< div class = "line" > < a name = "l00769" > < / a > < span class = "lineno" > 769< / span >   < / div >
< div class = "line" > < a name = "l00770" > < / a > < span class = "lineno" > 770< / span >   < span class = "comment" > // Here is how cmatbeg[] is setup:< / span > < / div >
< div class = "line" > < a name = "l00771" > < / a > < span class = "lineno" > 771< / span >   < span class = "comment" > // - it is initialized as< / span > < / div >
< div class = "line" > < a name = "l00772" > < / a > < span class = "lineno" > 772< / span >   < span class = "comment" > // [ 0, 0, collen[0], collen[0]+collen[1], ... ]< / span > < / div >
< div class = "line" > < a name = "l00773" > < / a > < span class = "lineno" > 773< / span >   < span class = "comment" > // so that cmatbeg[j+1] tells us where in cmatind[] and< / span > < / div >
< div class = "line" > < a name = "l00774" > < / a > < span class = "lineno" > 774< / span >   < span class = "comment" > // cmatval[] we need to put the next nonzero for column< / span > < / div >
< div class = "line" > < a name = "l00775" > < / a > < span class = "lineno" > 775< / span >   < span class = "comment" > // j< / span > < / div >
< div class = "line" > < a name = "l00776" > < / a > < span class = "lineno" > 776< / span >   < span class = "comment" > // - after nonzeros have been setup the array looks like< / span > < / div >
< div class = "line" > < a name = "l00777" > < / a > < span class = "lineno" > 777< / span >   < span class = "comment" > // [ 0, collen[0], collen[0]+collen[1], ... ]< / span > < / div >
< div class = "line" > < a name = "l00778" > < / a > < span class = "lineno" > 778< / span >   < span class = "comment" > // so that it is the correct input argument for CPXXaddcols< / span > < / div >
< div class = "line" > < a name = "l00779" > < / a > < span class = "lineno" > 779< / span >   CPXNNZ* cmatbeg = begin.get();< / div >
< div class = "line" > < a name = "l00780" > < / a > < span class = "lineno" > 780< / span >   cmatbeg[0] = 0;< / div >
< div class = "line" > < a name = "l00781" > < / a > < span class = "lineno" > 781< / span >   cmatbeg[1] = 0;< / div >
< div class = "line" > < a name = "l00782" > < / a > < span class = "lineno" > 782< / span >   ++cmatbeg;< / div >
< div class = "line" > < a name = "l00783" > < / a > < span class = "lineno" > 783< / span >   < span class = "keywordflow" > for< / span > (CPXDIM j = 0; j < newcols; ++j)< / div >
< div class = "line" > < a name = "l00784" > < / a > < span class = "lineno" > 784< / span >   cmatbeg[j + 1] = cmatbeg[j] + collen[j];< / div >
< div class = "line" > < a name = "l00785" > < / a > < span class = "lineno" > 785< / span >   < / div >
< div class = "line" > < a name = "l00786" > < / a > < span class = "lineno" > 786< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < last_constraint_index_; ++i) {< / div >
< div class = "line" > < a name = "l00787" > < / a > < span class = "lineno" > 787< / span >   MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a name = "l00788" > < / a > < span class = "lineno" > 788< / span >   CPXDIM < span class = "keyword" > const< / span > < a class = "code" href = "markowitz_8cc.html#aea35f36ba98d5bbd8d033382f50c9e52" > row< / a > = < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index();< / div >
< div class = "line" > < a name = "l00789" > < / a > < span class = "lineno" > 789< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a name = "l00790" > < / a > < span class = "lineno" > 790< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00791" > < / a > < span class = "lineno" > 791< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a name = "l00792" > < / a > < span class = "lineno" > 792< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(idx) & & idx > last_variable_index_) {< / div >
< div class = "line" > < a name = "l00793" > < / a > < span class = "lineno" > 793< / span >   CPXNNZ < span class = "keyword" > const< / span > nz = cmatbeg[idx]++;< / div >
< div class = "line" > < a name = "l00794" > < / a > < span class = "lineno" > 794< / span >   cmatind[nz] = idx;< / div >
< div class = "line" > < a name = "l00795" > < / a > < span class = "lineno" > 795< / span >   cmatval[nz] = it-> second;< / div >
< div class = "line" > < a name = "l00796" > < / a > < span class = "lineno" > 796< / span >   }< / div >
< div class = "line" > < a name = "l00797" > < / a > < span class = "lineno" > 797< / span >   }< / div >
< div class = "line" > < a name = "l00798" > < / a > < span class = "lineno" > 798< / span >   }< / div >
< div class = "line" > < a name = "l00799" > < / a > < span class = "lineno" > 799< / span >   --cmatbeg;< / div >
< div class = "line" > < a name = "l00800" > < / a > < span class = "lineno" > 800< / span >   CHECK_STATUS(CPXXaddcols(mEnv, mLp, newcols, nonzeros, obj.get(),< / div >
< div class = "line" > < a name = "l00801" > < / a > < span class = "lineno" > 801< / span >   cmatbeg, cmatind.get(), cmatval.get(),< / div >
< div class = "line" > < a name = "l00802" > < / a > < span class = "lineno" > 802< / span >   lb.get(), ub.get(),< / div >
< div class = "line" > < a name = "l00803" > < / a > < span class = "lineno" > 803< / span >   have_names ? colname.get() : 0));< / div >
< div class = "line" > < a name = "l00804" > < / a > < span class = "lineno" > 804< / span >   }< / div >
< div class = "line" > < a name = "l00805" > < / a > < span class = "lineno" > 805< / span >   }< / div >
< div class = "line" > < a name = "l00806" > < / a > < span class = "lineno" > 806< / span >   < span class = "keywordflow" > if< / span > (use_newcols) {< / div >
< div class = "line" > < a name = "l00807" > < / a > < span class = "lineno" > 807< / span >   < span class = "comment" > // Either incremental extraction is not supported or none of< / span > < / div >
< div class = "line" > < a name = "l00808" > < / a > < span class = "lineno" > 808< / span >   < span class = "comment" > // the new variables did intersect an existing constraint.< / span > < / div >
< div class = "line" > < a name = "l00809" > < / a > < span class = "lineno" > 809< / span >   < span class = "comment" > // We can just use CPXXnewcols() to create the new variables.< / span > < / div >
< div class = "line" > < a name = "l00810" > < / a > < span class = "lineno" > 810< / span >   CHECK_STATUS(CPXXnewcols(mEnv, mLp, newcols, obj.get(), lb.get(),< / div >
< div class = "line" > < a name = "l00811" > < / a > < span class = "lineno" > 811< / span >   ub.get(), mMip ? ctype.get() : 0,< / div >
< div class = "line" > < a name = "l00812" > < / a > < span class = "lineno" > 812< / span >   have_names ? colname.get() : 0));< / div >
< div class = "line" > < a name = "l00813" > < / a > < span class = "lineno" > 813< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00814" > < / a > < span class = "lineno" > 814< / span >   < span class = "comment" > // Incremental extraction: we must update the ctype of the< / span > < / div >
< div class = "line" > < a name = "l00815" > < / a > < span class = "lineno" > 815< / span >   < span class = "comment" > // newly created variables (CPXXaddcols() does not allow< / span > < / div >
< div class = "line" > < a name = "l00816" > < / a > < span class = "lineno" > 816< / span >   < span class = "comment" > // specifying the ctype)< / span > < / div >
< div class = "line" > < a name = "l00817" > < / a > < span class = "lineno" > 817< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l00818" > < / a > < span class = "lineno" > 818< / span >   < span class = "comment" > // Query the actual number of columns in case we did not< / span > < / div >
< div class = "line" > < a name = "l00819" > < / a > < span class = "lineno" > 819< / span >   < span class = "comment" > // manage to extract all columns.< / span > < / div >
< div class = "line" > < a name = "l00820" > < / a > < span class = "lineno" > 820< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00821" > < / a > < span class = "lineno" > 821< / span >   unique_ptr< CPXDIM[]> ind(< span class = "keyword" > new< / span > CPXDIM[newcols]);< / div >
< div class = "line" > < a name = "l00822" > < / a > < span class = "lineno" > 822< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < cols; ++j)< / div >
< div class = "line" > < a name = "l00823" > < / a > < span class = "lineno" > 823< / span >   ind[j - last_extracted] = j;< / div >
< div class = "line" > < a name = "l00824" > < / a > < span class = "lineno" > 824< / span >   CHECK_STATUS(CPXXchgctype(mEnv, mLp, cols - last_extracted, ind.get(),< / div >
< div class = "line" > < a name = "l00825" > < / a > < span class = "lineno" > 825< / span >   ctype.get()));< / div >
< div class = "line" > < a name = "l00826" > < / a > < span class = "lineno" > 826< / span >   }< / div >
< div class = "line" > < a name = "l00827" > < / a > < span class = "lineno" > 827< / span >   }< / div >
< div class = "line" > < a name = "l00828" > < / a > < span class = "lineno" > 828< / span >   } < span class = "keywordflow" > catch< / span > (...) {< / div >
< div class = "line" > < a name = "l00829" > < / a > < span class = "lineno" > 829< / span >   < span class = "comment" > // Undo all changes in case of error.< / span > < / div >
< div class = "line" > < a name = "l00830" > < / a > < span class = "lineno" > 830< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00831" > < / a > < span class = "lineno" > 831< / span >   < span class = "keywordflow" > if< / span > (cols > last_extracted)< / div >
< div class = "line" > < a name = "l00832" > < / a > < span class = "lineno" > 832< / span >   (void)CPXXdelcols(mEnv, mLp, last_extracted, cols - 1);< / div >
< div class = "line" > < a name = "l00833" > < / a > < span class = "lineno" > 833< / span >   std::vector< MPVariable*> < span class = "keyword" > const< / span > & variables = solver_-> variables();< / div >
< div class = "line" > < a name = "l00834" > < / a > < span class = "lineno" > 834< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > size = variables.size();< / div >
< div class = "line" > < a name = "l00835" > < / a > < span class = "lineno" > 835< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > j = last_extracted; j < size; ++j)< / div >
< div class = "line" > < a name = "l00836" > < / a > < span class = "lineno" > 836< / span >   set_variable_as_extracted(j, < span class = "keyword" > false< / span > );< / div >
< div class = "line" > < a name = "l00837" > < / a > < span class = "lineno" > 837< / span >   < span class = "keywordflow" > throw< / span > ;< / div >
< div class = "line" > < a name = "l00838" > < / a > < span class = "lineno" > 838< / span >   }< / div >
< div class = "line" > < a name = "l00839" > < / a > < span class = "lineno" > 839< / span >   }< / div >
< div class = "line" > < a name = "l00840" > < / a > < span class = "lineno" > 840< / span >   }< / div >
< div class = "line" > < a name = "l00841" > < / a > < span class = "lineno" > 841< / span >   < / div >
< div class = "line" > < a name = "l00842" > < / a > < span class = "lineno" > 842< / span >   < span class = "comment" > // Extract constraints that have not yet been extracted.< / span > < / div >
< div class = "line" > < a name = "l00843" > < / a > < span class = "lineno" > 843< / span >   < span class = "keywordtype" > void< / span > CplexInterface::ExtractNewConstraints() {< / div >
< div class = "line" > < a name = "l00844" > < / a > < span class = "lineno" > 844< / span >   < span class = "comment" > // NOTE: The code assumes that a linear expression can never contain< / span > < / div >
< div class = "line" > < a name = "l00845" > < / a > < span class = "lineno" > 845< / span >   < span class = "comment" > // non-zero duplicates.< / span > < / div >
< div class = "line" > < a name = "l00846" > < / a > < span class = "lineno" > 846< / span >   < / div >
< div class = "line" > < a name = "l00847" > < / a > < span class = "lineno" > 847< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction) {< / div >
< div class = "line" > < a name = "l00848" > < / a > < span class = "lineno" > 848< / span >   < span class = "comment" > // Without incremental extraction ExtractModel() is always called< / span > < / div >
< div class = "line" > < a name = "l00849" > < / a > < span class = "lineno" > 849< / span >   < span class = "comment" > // to extract the full model.< / span > < / div >
< div class = "line" > < a name = "l00850" > < / a > < span class = "lineno" > 850< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_variable_index_ == 0 ||< / div >
< div class = "line" > < a name = "l00851" > < / a > < span class = "lineno" > 851< / span >   last_variable_index_ == solver_-> variables_.size());< / div >
< div class = "line" > < a name = "l00852" > < / a > < span class = "lineno" > 852< / span >   < a class = "code" href = "base_2logging_8h.html#a3e1cfef60e774a81f30eaddf26a3a274" > CHECK< / a > (last_constraint_index_ == 0 ||< / div >
< div class = "line" > < a name = "l00853" > < / a > < span class = "lineno" > 853< / span >   last_constraint_index_ == solver_-> constraints_.size());< / div >
< div class = "line" > < a name = "l00854" > < / a > < span class = "lineno" > 854< / span >   }< / div >
< div class = "line" > < a name = "l00855" > < / a > < span class = "lineno" > 855< / span >   < / div >
< div class = "line" > < a name = "l00856" > < / a > < span class = "lineno" > 856< / span >   CPXDIM < span class = "keyword" > const< / span > offset = last_constraint_index_;< / div >
< div class = "line" > < a name = "l00857" > < / a > < span class = "lineno" > 857< / span >   CPXDIM < span class = "keyword" > const< / span > total = solver_-> constraints_.size();< / div >
< div class = "line" > < a name = "l00858" > < / a > < span class = "lineno" > 858< / span >   < / div >
< div class = "line" > < a name = "l00859" > < / a > < span class = "lineno" > 859< / span >   < span class = "keywordflow" > if< / span > (total > offset) {< / div >
< div class = "line" > < a name = "l00860" > < / a > < span class = "lineno" > 860< / span >   < span class = "comment" > // There are constraints that are not yet extracted.< / span > < / div >
< div class = "line" > < a name = "l00861" > < / a > < span class = "lineno" > 861< / span >   < / div >
< div class = "line" > < a name = "l00862" > < / a > < span class = "lineno" > 862< / span >   InvalidateSolutionSynchronization();< / div >
< div class = "line" > < a name = "l00863" > < / a > < span class = "lineno" > 863< / span >   < / div >
< div class = "line" > < a name = "l00864" > < / a > < span class = "lineno" > 864< / span >   CPXDIM newCons = total - offset;< / div >
< div class = "line" > < a name = "l00865" > < / a > < span class = "lineno" > 865< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00866" > < / a > < span class = "lineno" > 866< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (last_variable_index_, cols);< / div >
< div class = "line" > < a name = "l00867" > < / a > < span class = "lineno" > 867< / span >   CPXDIM < span class = "keyword" > const< / span > chunk = 10; < span class = "comment" > // max number of rows to add in one shot< / span > < / div >
< div class = "line" > < a name = "l00868" > < / a > < span class = "lineno" > 868< / span >   < / div >
< div class = "line" > < a name = "l00869" > < / a > < span class = "lineno" > 869< / span >   < span class = "comment" > // Update indices of new constraints _before_ actually extracting< / span > < / div >
< div class = "line" > < a name = "l00870" > < / a > < span class = "lineno" > 870< / span >   < span class = "comment" > // them. In case of error we will just reset the indices.< / span > < / div >
< div class = "line" > < a name = "l00871" > < / a > < span class = "lineno" > 871< / span >   < span class = "keywordflow" > for< / span > (CPXDIM c = offset; c < total; ++c)< / div >
< div class = "line" > < a name = "l00872" > < / a > < span class = "lineno" > 872< / span >   set_constraint_as_extracted(c, < span class = "keyword" > true< / span > );< / div >
< div class = "line" > < a name = "l00873" > < / a > < span class = "lineno" > 873< / span >   < / div >
< div class = "line" > < a name = "l00874" > < / a > < span class = "lineno" > 874< / span >   < span class = "keywordflow" > try< / span > {< / div >
< div class = "line" > < a name = "l00875" > < / a > < span class = "lineno" > 875< / span >   unique_ptr< CPXDIM[]> rmatind(< span class = "keyword" > new< / span > CPXDIM[cols]);< / div >
< div class = "line" > < a name = "l00876" > < / a > < span class = "lineno" > 876< / span >   unique_ptr< double[]> rmatval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l00877" > < / a > < span class = "lineno" > 877< / span >   unique_ptr< CPXNNZ[]> rmatbeg(< span class = "keyword" > new< / span > CPXNNZ[chunk]);< / div >
< div class = "line" > < a name = "l00878" > < / a > < span class = "lineno" > 878< / span >   unique_ptr< char[]> sense(< span class = "keyword" > new< / span > < span class = "keywordtype" > char< / span > [chunk]);< / div >
< div class = "line" > < a name = "l00879" > < / a > < span class = "lineno" > 879< / span >   unique_ptr< double[]> rhs(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [chunk]);< / div >
< div class = "line" > < a name = "l00880" > < / a > < span class = "lineno" > 880< / span >   unique_ptr< char const*[]> < a class = "code" 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 name = "l00881" > < / a > < span class = "lineno" > 881< / span >   unique_ptr< double[]> rngval(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [chunk]);< / div >
< div class = "line" > < a name = "l00882" > < / a > < span class = "lineno" > 882< / span >   unique_ptr< CPXDIM[]> rngind(< span class = "keyword" > new< / span > CPXDIM[chunk]);< / div >
< div class = "line" > < a name = "l00883" > < / a > < span class = "lineno" > 883< / span >   < span class = "keywordtype" > bool< / span > haveRanges = < span class = "keyword" > false< / span > ;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00884" > < / a > < span class = "lineno" > 884< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00885" > < / a > < span class = "lineno" > 885< / span >   < span class = "comment" > // Loop over the new constraints, collecting rows for up to< / span > < / div >
< div class = "line" > < a name = "l00886" > < / a > < span class = "lineno" > 886< / span >   < span class = "comment" > // CHUNK constraints into the arrays so that adding constraints< / span > < / div >
< div class = "line" > < a name = "l00887" > < / a > < span class = "lineno" > 887< / span >   < span class = "comment" > // is faster.< / span > < / div >
< div class = "line" > < a name = "l00888" > < / a > < span class = "lineno" > 888< / span >   < span class = "keywordflow" > for< / span > (CPXDIM c = 0; c < newCons; < span class = "comment" > /* nothing */< / span > ) {< / div >
< div class = "line" > < a name = "l00889" > < / a > < span class = "lineno" > 889< / span >   < span class = "comment" > // Collect up to CHUNK constraints into the arrays.< / span > < / div >
< div class = "line" > < a name = "l00890" > < / a > < span class = "lineno" > 890< / span >   CPXDIM nextRow = 0;< / div >
< div class = "line" > < a name = "l00891" > < / a > < span class = "lineno" > 891< / span >   CPXNNZ nextNz = 0;< / div >
< div class = "line" > < a name = "l00892" > < / a > < span class = "lineno" > 892< / span >   < span class = "keywordflow" > for< / span > (< span class = "comment" > /* nothing */< / span > ; c < newCons & & nextRow < chunk; ++c, ++nextRow) {< / div >
< div class = "line" > < a name = "l00893" > < / a > < span class = "lineno" > 893< / span >   MPConstraint < span class = "keyword" > const< / span > * < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[offset + c];< / div >
< div class = "line" > < a name = "l00894" > < / a > < span class = "lineno" > 894< / span >   < / div >
< div class = "line" > < a name = "l00895" > < / a > < span class = "lineno" > 895< / span >   < span class = "comment" > // Stop if there is not enough room in the arrays< / span > < / div >
< div class = "line" > < a name = "l00896" > < / a > < span class = "lineno" > 896< / span >   < span class = "comment" > // to add the current constraint.< / span > < / div >
< div class = "line" > < a name = "l00897" > < / a > < span class = "lineno" > 897< / span >   < span class = "keywordflow" > if< / span > (nextNz + < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_.size() > cols) {< / div >
< div class = "line" > < a name = "l00898" > < / a > < span class = "lineno" > 898< / span >   < a class = "code" href = "base_2logging_8h.html#ab4f56aa24c4c9cddc47a6abd2d747f9a" > DCHECK_GT< / a > (nextRow, 0);< / div >
< div class = "line" > < a name = "l00899" > < / a > < span class = "lineno" > 899< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00900" > < / a > < span class = "lineno" > 900< / span >   }< / div >
< div class = "line" > < a name = "l00901" > < / a > < span class = "lineno" > 901< / span >   < / div >
< div class = "line" > < a name = "l00902" > < / a > < span class = "lineno" > 902< / span >   < span class = "comment" > // Setup right-hand side of constraint.< / span > < / div >
< div class = "line" > < a name = "l00903" > < / a > < span class = "lineno" > 903< / span >   MakeRhs(< a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> lb(), < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> ub(), rhs[nextRow], sense[nextRow],< / div >
< div class = "line" > < a name = "l00904" > < / a > < span class = "lineno" > 904< / span >   rngval[nextRow]);< / div >
< div class = "line" > < a name = "l00905" > < / a > < span class = "lineno" > 905< / span >   haveRanges = haveRanges || (rngval[nextRow] != 0.0);< / div >
< div class = "line" > < a name = "l00906" > < / a > < span class = "lineno" > 906< / span >   rngind[nextRow] = offset + c;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00907" > < / a > < span class = "lineno" > 907< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00908" > < / a > < span class = "lineno" > 908< / span >   < span class = "comment" > // Setup left-hand side of constraint.< / span > < / div >
< div class = "line" > < a name = "l00909" > < / a > < span class = "lineno" > 909< / span >   rmatbeg[nextRow] = nextNz;< / div >
< div class = "line" > < a name = "l00910" > < / a > < span class = "lineno" > 910< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> coefficients_;< / div >
< div class = "line" > < a name = "l00911" > < / a > < span class = "lineno" > 911< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it(coeffs.begin()); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00912" > < / a > < span class = "lineno" > 912< / span >   CPXDIM < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a name = "l00913" > < / a > < span class = "lineno" > 913< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a name = "l00914" > < / a > < span class = "lineno" > 914< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (nextNz, cols);< / div >
< div class = "line" > < a name = "l00915" > < / a > < span class = "lineno" > 915< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a name = "l00916" > < / a > < span class = "lineno" > 916< / span >   rmatind[nextNz] = idx;< / div >
< div class = "line" > < a name = "l00917" > < / a > < span class = "lineno" > 917< / span >   rmatval[nextNz] = it-> second;< / div >
< div class = "line" > < a name = "l00918" > < / a > < span class = "lineno" > 918< / span >   ++nextNz;< / div >
< div class = "line" > < a name = "l00919" > < / a > < span class = "lineno" > 919< / span >   }< / div >
< div class = "line" > < a name = "l00920" > < / a > < span class = "lineno" > 920< / span >   }< / div >
< div class = "line" > < a name = "l00921" > < / a > < span class = "lineno" > 921< / span >   < / div >
< div class = "line" > < a name = "l00922" > < / a > < span class = "lineno" > 922< / span >   < span class = "comment" > // Finally the name of the constraint.< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00923" > < / a > < span class = "lineno" > 923< / span >   < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > [nextRow] = < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> name().empty() ? 0 : < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> name().c_str();< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00924" > < / a > < span class = "lineno" > 924< / span >   }< / div >
< div class = "line" > < a name = "l00925" > < / a > < span class = "lineno" > 925< / span >   < span class = "keywordflow" > if< / span > (nextRow > 0) {< / div >
< div class = "line" > < a name = "l00926" > < / a > < span class = "lineno" > 926< / span >   CHECK_STATUS(CPXXaddrows(mEnv, mLp, 0, nextRow, nextNz, rhs.get(),< / div >
< div class = "line" > < a name = "l00927" > < / a > < span class = "lineno" > 927< / span >   sense.get(), rmatbeg.get(), rmatind.get(),< / div >
< div class = "line" > < a name = "l00928" > < / a > < span class = "lineno" > 928< / span >   rmatval.get(), 0, < a class = "code" href = "default__search_8cc.html#ac673bc430bdc3fdaa09f7becf98ef267" > name< / a > .get()));< / div >
< div class = "line" > < a name = "l00929" > < / a > < span class = "lineno" > 929< / span >   < span class = "keywordflow" > if< / span > (haveRanges) {< / div >
< div class = "line" > < a name = "l00930" > < / a > < span class = "lineno" > 930< / span >   CHECK_STATUS(< / div >
< div class = "line" > < a name = "l00931" > < / a > < span class = "lineno" > 931< / span >   CPXXchgrngval(mEnv, mLp, nextRow, rngind.get(), rngval.get()));< / div >
< div class = "line" > < a name = "l00932" > < / a > < span class = "lineno" > 932< / span >   }< / div >
< div class = "line" > < a name = "l00933" > < / a > < span class = "lineno" > 933< / span >   }< / div >
< div class = "line" > < a name = "l00934" > < / a > < span class = "lineno" > 934< / span >   }< / div >
< div class = "line" > < a name = "l00935" > < / a > < span class = "lineno" > 935< / span >   } < span class = "keywordflow" > catch< / span > (...) {< / div >
< div class = "line" > < a name = "l00936" > < / a > < span class = "lineno" > 936< / span >   < span class = "comment" > // Undo all changes in case of error.< / span > < / div >
< div class = "line" > < a name = "l00937" > < / a > < span class = "lineno" > 937< / span >   CPXDIM < span class = "keyword" > const< / span > rows = CPXXgetnumrows(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00938" > < / a > < span class = "lineno" > 938< / span >   < span class = "keywordflow" > if< / span > (rows > offset) (void)CPXXdelrows(mEnv, mLp, offset, rows - 1);< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l00939" > < / a > < span class = "lineno" > 939< / span >   std::vector< MPConstraint*> < span class = "keyword" > const< / span > & constraints = solver_-> constraints();< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00940" > < / a > < span class = "lineno" > 940< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > size = constraints.size();< / div >
< div class = "line" > < a name = "l00941" > < / a > < span class = "lineno" > 941< / 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 name = "l00942" > < / a > < span class = "lineno" > 942< / span >   < span class = "keywordflow" > throw< / span > ;< / div >
< div class = "line" > < a name = "l00943" > < / a > < span class = "lineno" > 943< / span >   }< / div >
< div class = "line" > < a name = "l00944" > < / a > < span class = "lineno" > 944< / span >   }< / div >
< div class = "line" > < a name = "l00945" > < / a > < span class = "lineno" > 945< / span >   }< / div >
< div class = "line" > < a name = "l00946" > < / a > < span class = "lineno" > 946< / span >   < / div >
< div class = "line" > < a name = "l00947" > < / a > < span class = "lineno" > 947< / span >   < span class = "comment" > // Extract the objective function.< / span > < / div >
< div class = "line" > < a name = "l00948" > < / a > < span class = "lineno" > 948< / span >   < span class = "keywordtype" > void< / span > CplexInterface::ExtractObjective() {< / div >
< div class = "line" > < a name = "l00949" > < / a > < span class = "lineno" > 949< / span >   < span class = "comment" > // NOTE: The code assumes that the objective expression does not contain< / span > < / div >
< div class = "line" > < a name = "l00950" > < / a > < span class = "lineno" > 950< / span >   < span class = "comment" > // any non-zero duplicates.< / span > < / div >
< div class = "line" > < a name = "l00951" > < / a > < span class = "lineno" > 951< / span >   < / div >
< div class = "line" > < a name = "l00952" > < / a > < span class = "lineno" > 952< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l00953" > < / a > < span class = "lineno" > 953< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (last_variable_index_, cols);< / div >
< div class = "line" > < a name = "l00954" > < / a > < span class = "lineno" > 954< / span >   < / div >
< div class = "line" > < a name = "l00955" > < / a > < span class = "lineno" > 955< / span >   unique_ptr< CPXDIM[]> ind(< span class = "keyword" > new< / span > CPXDIM[cols]);< / div >
< div class = "line" > < a name = "l00956" > < / a > < span class = "lineno" > 956< / span >   unique_ptr< double[]> val(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l00957" > < / a > < span class = "lineno" > 957< / span >   < span class = "keywordflow" > for< / span > (CPXDIM j = 0; j < cols; ++j) {< / div >
< div class = "line" > < a name = "l00958" > < / a > < span class = "lineno" > 958< / span >   ind[j] = j;< / div >
< div class = "line" > < a name = "l00959" > < / a > < span class = "lineno" > 959< / span >   val[j] = 0.0;< / div >
< div class = "line" > < a name = "l00960" > < / a > < span class = "lineno" > 960< / span >   }< / div >
< div class = "line" > < a name = "l00961" > < / a > < span class = "lineno" > 961< / span >   < / div >
< div class = "line" > < a name = "l00962" > < / a > < span class = "lineno" > 962< / span >   < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > & coeffs = solver_-> objective_-> coefficients_;< / div >
< div class = "line" > < a name = "l00963" > < / a > < span class = "lineno" > 963< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > it = coeffs.begin(); it != coeffs.end(); ++it) {< / div >
< div class = "line" > < a name = "l00964" > < / a > < span class = "lineno" > 964< / span >   CPXDIM < span class = "keyword" > const< / span > idx = it-> first-> index();< / div >
< div class = "line" > < a name = "l00965" > < / a > < span class = "lineno" > 965< / span >   < span class = "keywordflow" > if< / span > (variable_is_extracted(idx)) {< / div >
< div class = "line" > < a name = "l00966" > < / a > < span class = "lineno" > 966< / span >   < a class = "code" href = "base_2logging_8h.html#ab62f5ed8f2d48e29802be0cbbcd1359a" > DCHECK_LT< / a > (idx, cols);< / div >
< div class = "line" > < a name = "l00967" > < / a > < span class = "lineno" > 967< / span >   val[idx] = it-> second;< / div >
< div class = "line" > < a name = "l00968" > < / a > < span class = "lineno" > 968< / span >   }< / div >
< div class = "line" > < a name = "l00969" > < / a > < span class = "lineno" > 969< / span >   }< / div >
< div class = "line" > < a name = "l00970" > < / a > < span class = "lineno" > 970< / span >   < / div >
< div class = "line" > < a name = "l00971" > < / a > < span class = "lineno" > 971< / span >   CHECK_STATUS(CPXXchgobj(mEnv, mLp, cols, ind.get(), val.get()));< / div >
< div class = "line" > < a name = "l00972" > < / a > < span class = "lineno" > 972< / span >   CHECK_STATUS(CPXEsetobjoffset(mEnv, mLp, solver_-> Objective().offset()));< / div >
< div class = "line" > < a name = "l00973" > < / a > < span class = "lineno" > 973< / span >   }< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l00974" > < / a > < span class = "lineno" > 974< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00975" > < / a > < span class = "lineno" > 975< / span >   < span class = "comment" > // ------ Parameters -----< / span > < / div >
< div class = "line" > < a name = "l00976" > < / a > < span class = "lineno" > 976< / span >   < / div >
< div class = "line" > < a name = "l00977" > < / a > < span class = "lineno" > 977< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetParameters(< span class = "keyword" > const< / span > MPSolverParameters& param) {< / div >
< div class = "line" > < a name = "l00978" > < / a > < span class = "lineno" > 978< / span >   SetCommonParameters(param);< / div >
< div class = "line" > < a name = "l00979" > < / a > < span class = "lineno" > 979< / span >   < span class = "keywordflow" > if< / span > (mMip) SetMIPParameters(param);< / div >
< div class = "line" > < a name = "l00980" > < / a > < span class = "lineno" > 980< / span >   }< / div >
< div class = "line" > < a name = "l00981" > < / a > < span class = "lineno" > 981< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00982" > < / a > < span class = "lineno" > 982< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetRelativeMipGap(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00983" > < / a > < span class = "lineno" > 983< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00984" > < / a > < span class = "lineno" > 984< / span >   CHECK_STATUS(CPXXsetdblparam(mEnv, CPX_PARAM_EPGAP, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00985" > < / a > < span class = "lineno" > 985< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l00986" > < / a > < span class = "lineno" > 986< / span >   < a class = "code" href = "base_2logging_8h.html#accad43a85d781d53381cd53a9894b6ae" > LOG< / a > (< a class = "code" href = "log__severity_8h.html#a50e5762f38854b37ee3e2851bc1bb0e7" > WARNING< / a > ) < < < span class = "stringliteral" > " The relative MIP gap is only available " < / span > < / div >
< div class = "line" > < a name = "l00987" > < / a > < span class = "lineno" > 987< / span >   < < < span class = "stringliteral" > " for discrete problems." < / span > ;< / div >
< div class = "line" > < a name = "l00988" > < / a > < span class = "lineno" > 988< / span >   }< / div >
< div class = "line" > < a name = "l00989" > < / a > < span class = "lineno" > 989< / span >   }< / div >
< div class = "line" > < a name = "l00990" > < / a > < span class = "lineno" > 990< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00991" > < / a > < span class = "lineno" > 991< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetPrimalTolerance(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a name = "l00992" > < / a > < span class = "lineno" > 992< / span >   CHECK_STATUS(CPXXsetdblparam(mEnv, CPX_PARAM_EPRHS, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00993" > < / a > < span class = "lineno" > 993< / span >   }< / div >
< div class = "line" > < a name = "l00994" > < / a > < span class = "lineno" > 994< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00995" > < / a > < span class = "lineno" > 995< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetDualTolerance(< span class = "keywordtype" > double< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
< div class = "line" > < a name = "l00996" > < / a > < span class = "lineno" > 996< / span >   CHECK_STATUS(CPXXsetdblparam(mEnv, CPX_PARAM_EPOPT, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l00997" > < / a > < span class = "lineno" > 997< / span >   }< / div >
< div class = "line" > < a name = "l00998" > < / a > < span class = "lineno" > 998< / span >   < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l00999" > < / a > < span class = "lineno" > 999< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetPresolveMode(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01000" > < / a > < span class = "lineno" > 1000< / span >   MPSolverParameters::PresolveValues < span class = "keyword" > const< / span > presolve =< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01001" > < / a > < span class = "lineno" > 1001< / span >   < span class = "keyword" > static_cast< < / span > MPSolverParameters::PresolveValues< span class = "keyword" > > < / span > (< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01002" > < / a > < span class = "lineno" > 1002< / span >   < / div >
< div class = "line" > < a name = "l01003" > < / a > < span class = "lineno" > 1003< / span >   < span class = "keywordflow" > switch< / span > (presolve) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01004" > < / a > < span class = "lineno" > 1004< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::PRESOLVE_OFF:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01005" > < / a > < span class = "lineno" > 1005< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_PREIND, CPX_OFF));< / div >
< div class = "line" > < a name = "l01006" > < / a > < span class = "lineno" > 1006< / span >   < span class = "keywordflow" > return< / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01007" > < / a > < span class = "lineno" > 1007< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::PRESOLVE_ON:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01008" > < / a > < span class = "lineno" > 1008< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_PREIND, CPX_ON));< / div >
< div class = "line" > < a name = "l01009" > < / a > < span class = "lineno" > 1009< / span >   < span class = "keywordflow" > return< / span > ;< / div >
< div class = "line" > < a name = "l01010" > < / a > < span class = "lineno" > 1010< / span >   }< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01011" > < / a > < span class = "lineno" > 1011< / span >   SetIntegerParamToUnsupportedValue(MPSolverParameters::PRESOLVE, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01012" > < / a > < span class = "lineno" > 1012< / span >   }< / div >
< div class = "line" > < a name = "l01013" > < / a > < span class = "lineno" > 1013< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01014" > < / a > < span class = "lineno" > 1014< / span >   < span class = "comment" > // Sets the scaling mode.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01015" > < / a > < span class = "lineno" > 1015< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetScalingMode(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01016" > < / a > < span class = "lineno" > 1016< / span >   MPSolverParameters::ScalingValues < span class = "keyword" > const< / span > scaling =< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01017" > < / a > < span class = "lineno" > 1017< / span >   < span class = "keyword" > static_cast< < / span > MPSolverParameters::ScalingValues< span class = "keyword" > > < / span > (< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01018" > < / a > < span class = "lineno" > 1018< / span >   < / div >
< div class = "line" > < a name = "l01019" > < / a > < span class = "lineno" > 1019< / span >   < span class = "keywordflow" > switch< / span > (scaling) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01020" > < / a > < span class = "lineno" > 1020< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::SCALING_OFF:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01021" > < / a > < span class = "lineno" > 1021< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_SCAIND, -1));< / div >
< div class = "line" > < a name = "l01022" > < / a > < span class = "lineno" > 1022< / span >   < span class = "keywordflow" > break< / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01023" > < / a > < span class = "lineno" > 1023< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::SCALING_ON:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01024" > < / a > < span class = "lineno" > 1024< / span >   < span class = "comment" > // TODO: 0 is equilibrium scaling (the default), CPLEX also supports< / span > < / div >
< div class = "line" > < a name = "l01025" > < / a > < span class = "lineno" > 1025< / span >   < span class = "comment" > // 1 aggressive scaling< / span > < / div >
< div class = "line" > < a name = "l01026" > < / a > < span class = "lineno" > 1026< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_SCAIND, 0));< / div >
< div class = "line" > < a name = "l01027" > < / a > < span class = "lineno" > 1027< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01028" > < / a > < span class = "lineno" > 1028< / span >   }< / div >
< div class = "line" > < a name = "l01029" > < / a > < span class = "lineno" > 1029< / span >   }< / div >
< div class = "line" > < a name = "l01030" > < / a > < span class = "lineno" > 1030< / span >   < / div >
< div class = "line" > < a name = "l01031" > < / a > < span class = "lineno" > 1031< / span >   < span class = "comment" > // Sets the LP algorithm : primal, dual or barrier. Note that CPLEX offers other< / span > < / div >
< div class = "line" > < a name = "l01032" > < / a > < span class = "lineno" > 1032< / span >   < span class = "comment" > // LP algorithm (e.g. network) and automatic selection< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01033" > < / a > < span class = "lineno" > 1033< / span >   < span class = "keywordtype" > void< / span > CplexInterface::SetLpAlgorithm(< span class = "keywordtype" > int< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01034" > < / a > < span class = "lineno" > 1034< / span >   MPSolverParameters::LpAlgorithmValues < span class = "keyword" > const< / span > algorithm =< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01035" > < / a > < span class = "lineno" > 1035< / span >   < span class = "keyword" > static_cast< < / span > MPSolverParameters::LpAlgorithmValues< span class = "keyword" > > < / span > (< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01036" > < / a > < span class = "lineno" > 1036< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01037" > < / a > < span class = "lineno" > 1037< / span >   < span class = "keywordtype" > int< / span > alg = CPX_ALG_NONE;< / div >
< div class = "line" > < a name = "l01038" > < / a > < span class = "lineno" > 1038< / span >   < / div >
< div class = "line" > < a name = "l01039" > < / a > < span class = "lineno" > 1039< / span >   < span class = "keywordflow" > switch< / span > (algorithm) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01040" > < / a > < span class = "lineno" > 1040< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::DUAL:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01041" > < / a > < span class = "lineno" > 1041< / span >   alg = CPX_ALG_DUAL;< / div >
< div class = "line" > < a name = "l01042" > < / a > < span class = "lineno" > 1042< / span >   < span class = "keywordflow" > break< / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01043" > < / a > < span class = "lineno" > 1043< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::PRIMAL:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01044" > < / a > < span class = "lineno" > 1044< / span >   alg = CPX_ALG_PRIMAL;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01045" > < / a > < span class = "lineno" > 1045< / span >   < span class = "keywordflow" > break< / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01046" > < / a > < span class = "lineno" > 1046< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::BARRIER:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01047" > < / a > < span class = "lineno" > 1047< / span >   alg = CPX_ALG_BARRIER;< / div >
< div class = "line" > < a name = "l01048" > < / a > < span class = "lineno" > 1048< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01049" > < / a > < span class = "lineno" > 1049< / span >   }< / div >
< div class = "line" > < a name = "l01050" > < / a > < span class = "lineno" > 1050< / span >   < / div >
< div class = "line" > < a name = "l01051" > < / a > < span class = "lineno" > 1051< / span >   < span class = "keywordflow" > if< / span > (alg == CPX_ALG_NONE)< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01052" > < / a > < span class = "lineno" > 1052< / span >   SetIntegerParamToUnsupportedValue(MPSolverParameters::LP_ALGORITHM, < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > );< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01053" > < / a > < span class = "lineno" > 1053< / span >   < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01054" > < / a > < span class = "lineno" > 1054< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_LPMETHOD, alg));< / div >
< div class = "line" > < a name = "l01055" > < / a > < span class = "lineno" > 1055< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l01056" > < / a > < span class = "lineno" > 1056< / span >   < span class = "comment" > // For MIP we have to change two more parameters to specify the< / span > < / div >
< div class = "line" > < a name = "l01057" > < / a > < span class = "lineno" > 1057< / span >   < span class = "comment" > // algorithm that is used to solve LP relaxations.< / span > < / div >
< div class = "line" > < a name = "l01058" > < / a > < span class = "lineno" > 1058< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_STARTALG, alg));< / div >
< div class = "line" > < a name = "l01059" > < / a > < span class = "lineno" > 1059< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_SUBALG, alg));< / div >
< div class = "line" > < a name = "l01060" > < / a > < span class = "lineno" > 1060< / span >   }< / div >
< div class = "line" > < a name = "l01061" > < / a > < span class = "lineno" > 1061< / span >   }< / div >
< div class = "line" > < a name = "l01062" > < / a > < span class = "lineno" > 1062< / span >   }< / div >
< div class = "line" > < a name = "l01063" > < / a > < span class = "lineno" > 1063< / span >   < / div >
< div class = "line" > < a name = "l01064" > < / a > < span class = "lineno" > 1064< / span >   < span class = "keywordtype" > bool< / span > CplexInterface::ReadParameterFile(std::string < span class = "keyword" > const< / span > & filename) {< / div >
< div class = "line" > < a name = "l01065" > < / a > < span class = "lineno" > 1065< / span >   < span class = "comment" > // Return true on success and false on error.< / span > < / div >
< div class = "line" > < a name = "l01066" > < / a > < span class = "lineno" > 1066< / span >   < span class = "keywordflow" > return< / span > CPXXreadcopyparam(mEnv, filename.c_str()) == 0;< / div >
< div class = "line" > < a name = "l01067" > < / a > < span class = "lineno" > 1067< / span >   }< / div >
< div class = "line" > < a name = "l01068" > < / a > < span class = "lineno" > 1068< / span >   < / div >
< div class = "line" > < a name = "l01069" > < / a > < span class = "lineno" > 1069< / span >   std::string CplexInterface::ValidFileExtensionForParameterFile()< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l01070" > < / a > < span class = "lineno" > 1070< / span >   < span class = "keywordflow" > return< / span > < span class = "stringliteral" > " .prm" < / span > ;< / div >
< div class = "line" > < a name = "l01071" > < / a > < span class = "lineno" > 1071< / span >   }< / div >
< div class = "line" > < a name = "l01072" > < / a > < span class = "lineno" > 1072< / span >   < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01073" > < / a > < span class = "lineno" > 1073< / span >   MPSolver::ResultStatus < a class = "code" href = "namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5" > CplexInterface::Solve< / a > (MPSolverParameters < span class = "keyword" > const< / span > & param) {< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01074" > < / a > < span class = "lineno" > 1074< / span >   < span class = "keywordtype" > int< / span > status;< / div >
< div class = "line" > < a name = "l01075" > < / a > < span class = "lineno" > 1075< / span >   < / div >
< div class = "line" > < a name = "l01076" > < / a > < span class = "lineno" > 1076< / span >   < span class = "comment" > // Delete chached information< / span > < / div >
< div class = "line" > < a name = "l01077" > < / a > < span class = "lineno" > 1077< / span >   mCstat = 0;< / div >
< div class = "line" > < a name = "l01078" > < / a > < span class = "lineno" > 1078< / span >   mRstat = 0;< / div >
< div class = "line" > < a name = "l01079" > < / a > < span class = "lineno" > 1079< / span >   < / div >
< div class = "line" > < a name = "l01080" > < / a > < span class = "lineno" > 1080< / span >   < a class = "code" href = "class_wall_timer.html" > WallTimer< / a > timer;< / div >
< div class = "line" > < a name = "l01081" > < / a > < span class = "lineno" > 1081< / span >   timer.< a class = "code" href = "class_wall_timer.html#a07aaf1227e4d645f15e0a964f54ef291" > Start< / a > ();< / div >
< div class = "line" > < a name = "l01082" > < / a > < span class = "lineno" > 1082< / span >   < / div >
< div class = "line" > < a name = "l01083" > < / a > < span class = "lineno" > 1083< / span >   < span class = "comment" > // Set incrementality< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01084" > < / a > < span class = "lineno" > 1084< / span >   MPSolverParameters::IncrementalityValues < span class = "keyword" > const< / span > inc =< / div >
< div class = "line" > < a name = "l01085" > < / a > < span class = "lineno" > 1085< / span >   < span class = "keyword" > static_cast< < / span > MPSolverParameters::IncrementalityValues< span class = "keyword" > > < / span > (< / div >
< div class = "line" > < a name = "l01086" > < / a > < span class = "lineno" > 1086< / span >   param.GetIntegerParam(MPSolverParameters::INCREMENTALITY));< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01087" > < / a > < span class = "lineno" > 1087< / span >   < span class = "keywordflow" > switch< / span > (inc) {< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01088" > < / a > < span class = "lineno" > 1088< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::INCREMENTALITY_OFF:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01089" > < / a > < span class = "lineno" > 1089< / span >   Reset(); < span class = "comment" > /* This should not be required but re-extracting everything< / span > < / div >
< div class = "line" > < a name = "l01090" > < / a > < span class = "lineno" > 1090< / span >   < span class = "comment" > * may be faster, so we do it. */< / span > < / div >
< div class = "line" > < a name = "l01091" > < / a > < span class = "lineno" > 1091< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_ADVIND, 0));< / div >
< div class = "line" > < a name = "l01092" > < / a > < span class = "lineno" > 1092< / span >   < span class = "keywordflow" > break< / span > ;< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01093" > < / a > < span class = "lineno" > 1093< / span >   < span class = "keywordflow" > case< / span > MPSolverParameters::INCREMENTALITY_ON:< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01094" > < / a > < span class = "lineno" > 1094< / span >   CHECK_STATUS(CPXXsetintparam(mEnv, CPX_PARAM_ADVIND, 2));< / div >
< div class = "line" > < a name = "l01095" > < / a > < span class = "lineno" > 1095< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01096" > < / a > < span class = "lineno" > 1096< / span >   }< / div >
< div class = "line" > < a name = "l01097" > < / a > < span class = "lineno" > 1097< / span >   < / div >
< div class = "line" > < a name = "l01098" > < / a > < span class = "lineno" > 1098< / span >   < span class = "comment" > // Extract the model to be solved.< / span > < / div >
< div class = "line" > < a name = "l01099" > < / a > < span class = "lineno" > 1099< / span >   < span class = "comment" > // If we don' t support incremental extraction and the low-level modeling< / span > < / div >
< div class = "line" > < a name = "l01100" > < / a > < span class = "lineno" > 1100< / span >   < span class = "comment" > // is out of sync then we have to re-extract everything. Note that this< / span > < / div >
< div class = "line" > < a name = "l01101" > < / a > < span class = "lineno" > 1101< / span >   < span class = "comment" > // will lose MIP starts or advanced basis information from a previous< / span > < / div >
< div class = "line" > < a name = "l01102" > < / a > < span class = "lineno" > 1102< / span >   < span class = "comment" > // solve.< / span > < / div >
< div class = "line" > < a name = "l01103" > < / a > < span class = "lineno" > 1103< / span >   < span class = "keywordflow" > if< / span > (!supportIncrementalExtraction & & sync_status_ == MUST_RELOAD) Reset();< / div >
< div class = "line" > < a name = "l01104" > < / a > < span class = "lineno" > 1104< / span >   ExtractModel();< / div >
< div class = "line" > < a name = "l01105" > < / a > < span class = "lineno" > 1105< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Model build in %.3f seconds." < / span > , timer.< a class = "code" href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > Get< / a > ());< / div >
< div class = "line" > < a name = "l01106" > < / a > < span class = "lineno" > 1106< / span >   < / div >
< div class = "line" > < a name = "l01107" > < / a > < span class = "lineno" > 1107< / span >   < span class = "comment" > // Set log level.< / span > < / div >
< div class = "line" > < a name = "l01108" > < / a > < span class = "lineno" > 1108< / span >   CHECK_STATUS(< / div >
< div class = "line" > < a name = "l01109" > < / a > < span class = "lineno" > 1109< / span >   CPXXsetintparam(mEnv, CPX_PARAM_SCRIND, quiet() ? CPX_OFF : CPX_ON));< / div >
< div class = "line" > < a name = "l01110" > < / a > < span class = "lineno" > 1110< / span >   < / div >
< div class = "line" > < a name = "l01111" > < / a > < span class = "lineno" > 1111< / span >   < span class = "comment" > // Set parameters.< / span > < / div >
< div class = "line" > < a name = "l01112" > < / a > < span class = "lineno" > 1112< / span >   < span class = "comment" > // NOTE: We must invoke SetSolverSpecificParametersAsString() _first_.< / span > < / div >
< div class = "line" > < a name = "l01113" > < / a > < span class = "lineno" > 1113< / span >   < span class = "comment" > // Its current implementation invokes ReadParameterFile() which in< / span > < / div >
< div class = "line" > < a name = "l01114" > < / a > < span class = "lineno" > 1114< / span >   < span class = "comment" > // turn invokes CPXXreadcopyparam(). The latter will _overwrite_< / span > < / div >
< div class = "line" > < a name = "l01115" > < / a > < span class = "lineno" > 1115< / span >   < span class = "comment" > // all current parameter settings in the environment.< / span > < / div >
< div class = "line" > < a name = "l01116" > < / a > < span class = "lineno" > 1116< / span >   solver_-> SetSolverSpecificParametersAsString(< / div >
< div class = "line" > < a name = "l01117" > < / a > < span class = "lineno" > 1117< / span >   solver_-> solver_specific_parameter_string_);< / div >
< div class = "line" > < a name = "l01118" > < / a > < span class = "lineno" > 1118< / span >   SetParameters(param);< / div >
< div class = "line" > < a name = "l01119" > < / a > < span class = "lineno" > 1119< / span >   < span class = "keywordflow" > if< / span > (solver_-> time_limit()) {< / div >
< div class = "line" > < a name = "l01120" > < / a > < span class = "lineno" > 1120< / span >   < a class = "code" 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 name = "l01121" > < / a > < span class = "lineno" > 1121< / span >   CHECK_STATUS(< / div >
< div class = "line" > < a name = "l01122" > < / a > < span class = "lineno" > 1122< / span >   CPXXsetdblparam(mEnv, CPX_PARAM_TILIM, solver_-> time_limit() * 1e-3));< / div >
< div class = "line" > < a name = "l01123" > < / a > < span class = "lineno" > 1123< / span >   }< / div >
< div class = "line" > < a name = "l01124" > < / a > < span class = "lineno" > 1124< / span >   < / div >
< div class = "line" > < a name = "l01125" > < / a > < span class = "lineno" > 1125< / span >   < span class = "comment" > // Solve.< / span > < / div >
< div class = "line" > < a name = "l01126" > < / a > < span class = "lineno" > 1126< / span >   < span class = "comment" > // Do not CHECK_STATUS here since some errors (for example CPXERR_NO_MEMORY)< / span > < / div >
< div class = "line" > < a name = "l01127" > < / a > < span class = "lineno" > 1127< / span >   < span class = "comment" > // still allow us to query useful information.< / span > < / div >
< div class = "line" > < a name = "l01128" > < / a > < span class = "lineno" > 1128< / span >   timer.< a class = "code" href = "class_wall_timer.html#a6bdbb9a2345c126ae0d72b1e2a9a21d5" > Restart< / a > ();< / div >
< div class = "line" > < a name = "l01129" > < / a > < span class = "lineno" > 1129< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l01130" > < / a > < span class = "lineno" > 1130< / span >   status = CPXXmipopt(mEnv, mLp);< / div >
< div class = "line" > < a name = "l01131" > < / a > < span class = "lineno" > 1131< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01132" > < / a > < span class = "lineno" > 1132< / span >   status = CPXXlpopt(mEnv, mLp);< / div >
< div class = "line" > < a name = "l01133" > < / a > < span class = "lineno" > 1133< / span >   }< / div >
< div class = "line" > < a name = "l01134" > < / a > < span class = "lineno" > 1134< / span >   < / div >
< div class = "line" > < a name = "l01135" > < / a > < span class = "lineno" > 1135< / span >   < span class = "comment" > // Disable screen output right after solve< / span > < / div >
< div class = "line" > < a name = "l01136" > < / a > < span class = "lineno" > 1136< / span >   (void)CPXXsetintparam(mEnv, CPX_PARAM_SCRIND, CPX_OFF);< / div >
< div class = "line" > < a name = "l01137" > < / a > < span class = "lineno" > 1137< / span >   < / div >
< div class = "line" > < a name = "l01138" > < / a > < span class = "lineno" > 1138< / span >   < span class = "keywordflow" > if< / span > (status) {< / div >
< div class = "line" > < a name = "l01139" > < / a > < span class = "lineno" > 1139< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Failed to optimize MIP. Error %d" < / span > , status);< / div >
< div class = "line" > < a name = "l01140" > < / a > < span class = "lineno" > 1140< / span >   < span class = "comment" > // NOTE: We do not return immediately since there may be information< / span > < / div >
< div class = "line" > < a name = "l01141" > < / a > < span class = "lineno" > 1141< / span >   < span class = "comment" > // to grab (for example an incumbent)< / span > < / div >
< div class = "line" > < a name = "l01142" > < / a > < span class = "lineno" > 1142< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01143" > < / a > < span class = "lineno" > 1143< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " Solved in %.3f seconds." < / span > , timer.< a class = "code" href = "class_wall_timer.html#aec56fe080959ecebec3feaed9dafde84" > Get< / a > ());< / div >
< div class = "line" > < a name = "l01144" > < / a > < span class = "lineno" > 1144< / span >   }< / div >
< div class = "line" > < a name = "l01145" > < / a > < span class = "lineno" > 1145< / span >   < / div >
< div class = "line" > < a name = "l01146" > < / a > < span class = "lineno" > 1146< / span >   < span class = "keywordtype" > int< / span > < span class = "keyword" > const< / span > cpxstat = CPXXgetstat(mEnv, mLp);< / div >
< div class = "line" > < a name = "l01147" > < / a > < span class = "lineno" > 1147< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < absl::StrFormat(< span class = "stringliteral" > " CPLEX solution status %d." < / span > , cpxstat);< / div >
< div class = "line" > < a name = "l01148" > < / a > < span class = "lineno" > 1148< / span >   < / div >
< div class = "line" > < a name = "l01149" > < / a > < span class = "lineno" > 1149< / span >   < span class = "comment" > // Figure out what solution we have.< / span > < / div >
< div class = "line" > < a name = "l01150" > < / a > < span class = "lineno" > 1150< / span >   < span class = "keywordtype" > int< / span > solnmethod, solntype, pfeas, dfeas;< / div >
< div class = "line" > < a name = "l01151" > < / a > < span class = "lineno" > 1151< / span >   CHECK_STATUS(CPXXsolninfo(mEnv, mLp, & solnmethod, & solntype, & pfeas, & dfeas));< / div >
< div class = "line" > < a name = "l01152" > < / a > < span class = "lineno" > 1152< / span >   < span class = "keywordtype" > bool< / span > < span class = "keyword" > const< / span > feasible = pfeas != 0;< / div >
< div class = "line" > < a name = "l01153" > < / a > < span class = "lineno" > 1153< / span >   < / div >
< div class = "line" > < a name = "l01154" > < / a > < span class = "lineno" > 1154< / span >   < span class = "comment" > // Get problem dimensions for solution queries below.< / span > < / div >
< div class = "line" > < a name = "l01155" > < / a > < span class = "lineno" > 1155< / span >   CPXDIM < span class = "keyword" > const< / span > rows = CPXXgetnumrows(mEnv, mLp);< / div >
< div class = "line" > < a name = "l01156" > < / a > < span class = "lineno" > 1156< / span >   CPXDIM < span class = "keyword" > const< / span > cols = CPXXgetnumcols(mEnv, mLp);< / div >
< div class = "line" > < a name = "l01157" > < / a > < span class = "lineno" > 1157< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (rows, solver_-> constraints_.size());< / div >
< div class = "line" > < a name = "l01158" > < / a > < span class = "lineno" > 1158< / span >   < a class = "code" href = "base_2logging_8h.html#ae89df3243bbb8341130c7b3f44145ea0" > DCHECK_EQ< / a > (cols, solver_-> variables_.size());< / div >
< div class = "line" > < a name = "l01159" > < / a > < span class = "lineno" > 1159< / span >   < / div >
< div class = "line" > < a name = "l01160" > < / a > < span class = "lineno" > 1160< / span >   < span class = "comment" > // Capture objective function value.< / span > < / div >
< div class = "line" > < a name = "l01161" > < / a > < span class = "lineno" > 1161< / span >   objective_value_ = CPX_NAN;< / div >
< div class = "line" > < a name = "l01162" > < / a > < span class = "lineno" > 1162< / span >   best_objective_bound_ = CPX_NAN;< / div >
< div class = "line" > < a name = "l01163" > < / a > < span class = "lineno" > 1163< / span >   < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a name = "l01164" > < / a > < span class = "lineno" > 1164< / span >   CHECK_STATUS(CPXXgetobjval(mEnv, mLp, & objective_value_));< / div >
< div class = "line" > < a name = "l01165" > < / a > < span class = "lineno" > 1165< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l01166" > < / a > < span class = "lineno" > 1166< / span >   CHECK_STATUS(CPXXgetbestobjval(mEnv, mLp, & best_objective_bound_));< / div >
< div class = "line" > < a name = "l01167" > < / a > < span class = "lineno" > 1167< / span >   }< / div >
< div class = "line" > < a name = "l01168" > < / a > < span class = "lineno" > 1168< / span >   }< / div >
< div class = "line" > < a name = "l01169" > < / a > < span class = "lineno" > 1169< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (1) < < < span class = "stringliteral" > " objective=" < / span > < < objective_value_< / div >
< div class = "line" > < a name = "l01170" > < / a > < span class = "lineno" > 1170< / span >   < < < span class = "stringliteral" > " , bound=" < / span > < < best_objective_bound_;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01171" > < / a > < span class = "lineno" > 1171< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01172" > < / a > < span class = "lineno" > 1172< / span >   < span class = "comment" > // Capture primal and dual solutions< / span > < / div >
< div class = "line" > < a name = "l01173" > < / a > < span class = "lineno" > 1173< / span >   < span class = "keywordflow" > if< / span > (mMip) {< / div >
< div class = "line" > < a name = "l01174" > < / a > < span class = "lineno" > 1174< / span >   < span class = "comment" > // If there is a primal feasible solution then capture it.< / span > < / div >
< div class = "line" > < a name = "l01175" > < / a > < span class = "lineno" > 1175< / span >   < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a name = "l01176" > < / a > < span class = "lineno" > 1176< / span >   < span class = "keywordflow" > if< / span > (cols > 0) {< / div >
< div class = "line" > < a name = "l01177" > < / a > < span class = "lineno" > 1177< / span >   unique_ptr< double[]> x(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l01178" > < / a > < span class = "lineno" > 1178< / span >   CHECK_STATUS(CPXXgetx(mEnv, mLp, x.get(), 0, cols - 1));< / div >
< div class = "line" > < a name = "l01179" > < / a > < span class = "lineno" > 1179< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i) {< / div >
< div class = "line" > < a name = "l01180" > < / a > < span class = "lineno" > 1180< / span >   MPVariable* < span class = "keyword" > const< / span > < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[i];< / div >
< div class = "line" > < a name = "l01181" > < / a > < span class = "lineno" > 1181< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01182" > < / a > < span class = "lineno" > 1182< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (3) < < < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name() < < < span class = "stringliteral" > " : value =" < / span > < < x[i];< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01183" > < / a > < span class = "lineno" > 1183< / span >   }< / div >
< div class = "line" > < a name = "l01184" > < / a > < span class = "lineno" > 1184< / span >   }< / div >
< div class = "line" > < a name = "l01185" > < / a > < span class = "lineno" > 1185< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01186" > < / a > < span class = "lineno" > 1186< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i)< / div >
< div class = "line" > < a name = "l01187" > < / a > < span class = "lineno" > 1187< / span >   solver_-> variables_[i]-> set_solution_value(CPX_NAN);< / div >
< div class = "line" > < a name = "l01188" > < / a > < span class = "lineno" > 1188< / span >   }< / div >
< div class = "line" > < a name = "l01189" > < / a > < span class = "lineno" > 1189< / span >   < / div >
< div class = "line" > < a name = "l01190" > < / a > < span class = "lineno" > 1190< / span >   < span class = "comment" > // MIP does not have duals< / span > < / div >
< div class = "line" > < a name = "l01191" > < / a > < span class = "lineno" > 1191< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i)< / div >
< div class = "line" > < a name = "l01192" > < / a > < span class = "lineno" > 1192< / span >   solver_-> variables_[i]-> set_reduced_cost(CPX_NAN);< / div >
< div class = "line" > < a name = "l01193" > < / a > < span class = "lineno" > 1193< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> constraints_.size(); ++i)< / div >
< div class = "line" > < a name = "l01194" > < / a > < span class = "lineno" > 1194< / span >   solver_-> constraints_[i]-> set_dual_value(CPX_NAN);< / div >
< div class = "line" > < a name = "l01195" > < / a > < span class = "lineno" > 1195< / span >   } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a name = "l01196" > < / a > < span class = "lineno" > 1196< / span >   < span class = "comment" > // Continuous problem.< / span > < / div >
< div class = "line" > < a name = "l01197" > < / a > < span class = "lineno" > 1197< / span >   < span class = "keywordflow" > if< / span > (cols > 0) {< / div >
< div class = "line" > < a name = "l01198" > < / a > < span class = "lineno" > 1198< / span >   unique_ptr< double[]> x(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l01199" > < / a > < span class = "lineno" > 1199< / span >   unique_ptr< double[]> dj(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [cols]);< / div >
< div class = "line" > < a name = "l01200" > < / a > < span class = "lineno" > 1200< / span >   < span class = "keywordflow" > if< / span > (feasible) CHECK_STATUS(CPXXgetx(mEnv, mLp, x.get(), 0, cols - 1));< / div >
< div class = "line" > < a name = "l01201" > < / a > < span class = "lineno" > 1201< / span >   < span class = "keywordflow" > if< / span > (dfeas) CHECK_STATUS(CPXXgetdj(mEnv, mLp, dj.get(), 0, cols - 1));< / div >
< div class = "line" > < a name = "l01202" > < / a > < span class = "lineno" > 1202< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> variables_.size(); ++i) {< / div >
< div class = "line" > < a name = "l01203" > < / a > < span class = "lineno" > 1203< / span >   MPVariable* < span class = "keyword" > const< / span > < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > = solver_-> variables_[i];< / div >
< div class = "line" > < a name = "l01204" > < / a > < span class = "lineno" > 1204< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01205" > < / a > < span class = "lineno" > 1205< / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = < span class = "keyword" > false< / span > , dual = < span class = "keyword" > false< / span > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01206" > < / a > < span class = "lineno" > 1206< / span >   < / div >
< div class = "line" > < a name = "l01207" > < / a > < span class = "lineno" > 1207< / span >   < span class = "keywordflow" > if< / span > (feasible) {< / div >
< div class = "line" > < a name = "l01208" > < / a > < span class = "lineno" > 1208< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(x[i]);< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01209" > < / a > < span class = "lineno" > 1209< / span >   < a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > = < span class = "keyword" > true< / span > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01210" > < / a > < span class = "lineno" > 1210< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01211" > < / a > < span class = "lineno" > 1211< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_solution_value(CPX_NAN);< / div >
< div class = "line" > < a name = "l01212" > < / a > < span class = "lineno" > 1212< / span >   < span class = "keywordflow" > if< / span > (dfeas) {< / div >
< div class = "line" > < a name = "l01213" > < / a > < span class = "lineno" > 1213< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_reduced_cost(dj[i]);< / div >
< div class = "line" > < a name = "l01214" > < / a > < span class = "lineno" > 1214< / span >   dual = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01215" > < / a > < span class = "lineno" > 1215< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01216" > < / a > < span class = "lineno" > 1216< / span >   < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> set_reduced_cost(CPX_NAN);< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01217" > < / a > < span class = "lineno" > 1217< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (3) < < < a class = "code" href = "expr__array_8cc.html#a472a99923cbe11ae7b5a5d157d9ad465" > var< / a > -> name() < < < span class = "stringliteral" > " :" < / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01218" > < / a > < span class = "lineno" > 1218< / span >   < < (< a class = "code" href = "demon__profiler_8cc.html#ac072af30c4ffbc834bb4c681f6ecb514" > value< / a > ? absl::StrFormat(< span class = "stringliteral" > " value = %f" < / span > , x[i]) : < span class = "stringliteral" > " " < / span > )< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01219" > < / a > < span class = "lineno" > 1219< / span >   < < (dual ? < a class = "code" href = "namespaceabsl.html" > absl< / a > ::StrFormat(< span class = "stringliteral" > " reduced cost = %f" < / span > , dj[i]) : < span class = "stringliteral" > " " < / span > );< / div >
< div class = "line" > < a name = "l01220" > < / a > < span class = "lineno" > 1220< / span >   }< / div >
< div class = "line" > < a name = "l01221" > < / a > < span class = "lineno" > 1221< / span >   }< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01222" > < / a > < span class = "lineno" > 1222< / span >   < / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01223" > < / a > < span class = "lineno" > 1223< / span >   < span class = "keywordflow" > if< / span > (rows > 0) {< / div >
< div class = "line" > < a name = "l01224" > < / a > < span class = "lineno" > 1224< / span >   unique_ptr< double[]> pi(< span class = "keyword" > new< / span > < span class = "keywordtype" > double< / span > [rows]);< / div >
< div class = "line" > < a name = "l01225" > < / a > < span class = "lineno" > 1225< / span >   < span class = "keywordflow" > if< / span > (dfeas) CHECK_STATUS(CPXXgetpi(mEnv, mLp, pi.get(), 0, rows - 1));< / div >
< div class = "line" > < a name = "l01226" > < / a > < span class = "lineno" > 1226< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < solver_-> constraints_.size(); ++i) {< / div >
< div class = "line" > < a name = "l01227" > < / a > < span class = "lineno" > 1227< / span >   MPConstraint* < span class = "keyword" > const< / span > < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > = solver_-> constraints_[i];< / div >
< div class = "line" > < a name = "l01228" > < / a > < span class = "lineno" > 1228< / span >   < span class = "keywordtype" > bool< / span > dual = < span class = "keyword" > false< / span > ;< / div >
< div class = "line" > < a name = "l01229" > < / a > < span class = "lineno" > 1229< / span >   < span class = "keywordflow" > if< / span > (dfeas) {< / div >
< div class = "line" > < a name = "l01230" > < / a > < span class = "lineno" > 1230< / span >   < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> set_dual_value(pi[i]);< / div >
< div class = "line" > < a name = "l01231" > < / a > < span class = "lineno" > 1231< / span >   dual = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l01232" > < / a > < span class = "lineno" > 1232< / span >   } < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > < a name = "l01233" > < / a > < span class = "lineno" > 1233< / span >   < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> set_dual_value(CPX_NAN);< / div >
< div class = "line" > < a name = "l01234" > < / a > < span class = "lineno" > 1234< / span >   < a class = "code" href = "base_2logging_8h.html#afcaa7cadd41741bb855c2ada1d2ef927" > VLOG< / a > (4) < < < span class = "stringliteral" > " row " < / span > < < < a class = "code" href = "demon__profiler_8cc.html#a05da18ca9c7b657a4a6ea24e07c9b695" > ct< / a > -> index() < < < span class = "stringliteral" > " :" < / span > < / div >
< div class = "line" > < a name = "l01235" > < / a > < span class = "lineno" > 1235< / span >   < < (dual ? absl::StrFormat(< span class = "stringliteral" > " dual = %f" < / span > , pi[i]) : < span class = "stringliteral" > " " < / span > );< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01236" > < / a > < span class = "lineno" > 1236< / span >   }< / div >
< div class = "line" > < a name = "l01237" > < / a > < span class = "lineno" > 1237< / span >   }< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01238" > < / a > < span class = "lineno" > 1238< / span >   }< / div >
< div class = "line" > < a name = "l01239" > < / a > < span class = "lineno" > 1239< / span >   < / div >
< div class = "line" > < a name = "l01240" > < / a > < span class = "lineno" > 1240< / span >   < span class = "comment" > // Map CPLEX status to more generic solution status in MPSolver< / span > < / div >
< div class = "line" > < a name = "l01241" > < / a > < span class = "lineno" > 1241< / span >   < span class = "keywordflow" > switch< / span > (cpxstat) {< / div >
< div class = "line" > < a name = "l01242" > < / a > < span class = "lineno" > 1242< / span >   < span class = "keywordflow" > case< / span > CPX_STAT_OPTIMAL:< / div >
< div class = "line" > < a name = "l01243" > < / a > < span class = "lineno" > 1243< / span >   < span class = "keywordflow" > case< / span > CPXMIP_OPTIMAL:< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01244" > < / a > < span class = "lineno" > 1244< / span >   result_status_ = < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > MPSolver::OPTIMAL< / a > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01245" > < / a > < span class = "lineno" > 1245< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01246" > < / a > < span class = "lineno" > 1246< / span >   < span class = "keywordflow" > case< / span > CPXMIP_OPTIMAL_TOL:< / div >
< div class = "line" > < a name = "l01247" > < / a > < span class = "lineno" > 1247< / span >   < span class = "comment" > // To be consistent with the other solvers.< / span > < / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01248" > < / a > < span class = "lineno" > 1248< / span >   result_status_ = < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > MPSolver::OPTIMAL< / a > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01249" > < / a > < span class = "lineno" > 1249< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01250" > < / a > < span class = "lineno" > 1250< / span >   < span class = "keywordflow" > case< / span > CPX_STAT_INFEASIBLE:< / div >
< div class = "line" > < a name = "l01251" > < / a > < span class = "lineno" > 1251< / span >   < span class = "keywordflow" > case< / span > CPXMIP_INFEASIBLE:< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01252" > < / a > < span class = "lineno" > 1252< / span >   result_status_ = < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > MPSolver::INFEASIBLE< / a > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01253" > < / a > < span class = "lineno" > 1253< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01254" > < / a > < span class = "lineno" > 1254< / span >   < span class = "keywordflow" > case< / span > CPX_STAT_UNBOUNDED:< / div >
< div class = "line" > < a name = "l01255" > < / a > < span class = "lineno" > 1255< / span >   < span class = "keywordflow" > case< / span > CPXMIP_UNBOUNDED:< / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01256" > < / a > < span class = "lineno" > 1256< / span >   result_status_ = MPSolver::UNBOUNDED;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01257" > < / a > < span class = "lineno" > 1257< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01258" > < / a > < span class = "lineno" > 1258< / span >   < span class = "keywordflow" > case< / span > CPX_STAT_INForUNBD:< / div >
< div class = "line" > < a name = "l01259" > < / a > < span class = "lineno" > 1259< / span >   < span class = "keywordflow" > case< / span > CPXMIP_INForUNBD:< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01260" > < / a > < span class = "lineno" > 1260< / span >   result_status_ = < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > MPSolver::INFEASIBLE< / a > ;< / div >
2020-09-01 16:00:33 +02:00
< div class = "line" > < a name = "l01261" > < / a > < span class = "lineno" > 1261< / span >   < span class = "keywordflow" > break< / span > ;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01262" > < / a > < span class = "lineno" > 1262< / span >   < span class = "keywordflow" > default< / span > :< / div >
2021-04-27 23:00:03 +02:00
< div class = "line" > < a name = "l01263" > < / a > < span class = "lineno" > 1263< / span >   result_status_ = feasible ? < a class = "code" href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a03f919221217f95d21a593a7120165e1" > MPSolver::FEASIBLE< / a > : MPSolver::ABNORMAL;< / div >
2020-12-29 22:27:47 +01:00
< div class = "line" > < a name = "l01264" > < / a > < span class = "lineno" > 1264< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l01265" > < / a > < span class = "lineno" > 1265< / span >   }< / div >
< div class = "line" > < a name = "l01266" > < / a > < span class = "lineno" > 1266< / span >   < / div >
< div class = "line" > < a name = "l01267" > < / a > < span class = "lineno" > 1267< / span >   sync_status_ = SOLUTION_SYNCHRONIZED;< / div >
< div class = "line" > < a name = "l01268" > < / a > < span class = "lineno" > 1268< / span >   < span class = "keywordflow" > return< / span > result_status_;< / div >
< div class = "line" > < a name = "l01269" > < / a > < span class = "lineno" > 1269< / span >   }< / div >
< div class = "line" > < a name = "l01270" > < / a > < span class = "lineno" > 1270< / span >   < / div >
< div class = "line" > < a name = "l01271" > < / a > < span class = "lineno" > 1271< / span >   MPSolverInterface* BuildCplexInterface(< span class = "keywordtype" > bool< / span > mip, MPSolver* < span class = "keyword" > const< / span > solver) {< / div >
< div class = "line" > < a name = "l01272" > < / a > < span class = "lineno" > 1272< / span >   < span class = "keywordflow" > return< / span > < span class = "keyword" > new< / span > CplexInterface(solver, mip);< / div >
< div class = "line" > < a name = "l01273" > < / a > < span class = "lineno" > 1273< / span >   }< / div >
< div class = "line" > < a name = "l01274" > < / a > < span class = "lineno" > 1274< / span >   < / div >
< div class = "line" > < a name = "l01275" > < / a > < span class = "lineno" > 1275< / span >   } < span class = "comment" > // namespace operations_research< / span > < / div >
2021-01-26 11:28:50 +01:00
< div class = "line" > < a name = "l01276" > < / a > < span class = "lineno" > 1276< / span >   < span class = "preprocessor" > #endif < / span > < span class = "comment" > // #if defined(USE_CPLEX)< / span > < / div >
2020-09-01 16:00:33 +02:00
< div class = "ttc" id = "abase_2logging_8h_html" > < div class = "ttname" > < a href = "base_2logging_8h.html" > logging.h< / a > < / div > < / div >
2021-04-27 23:00:03 +02:00
< 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#l00498" > base/logging.h:498< / a > < / div > < / div >
< 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#l00895" > base/logging.h:895< / 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#l00898" > base/logging.h:898< / 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#l00896" > base/logging.h:896< / a > < / div > < / div >
< 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#l00423" > base/logging.h:423< / a > < / div > < / div >
< 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#l00892" > base/logging.h:892< / 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#l00893" > base/logging.h:893< / 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#l00986" > base/logging.h:986< / a > < / div > < / div >
2021-01-26 11:28:50 +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 >
2020-10-09 12:00:09 +02:00
< 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 >
2021-01-26 11:28:50 +01:00
< 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 >
2021-04-27 23:00:03 +02:00
< 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#l00437" > linear_solver.h:437< / 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#l00654" > linear_solver.h:654< / a > < / div > < / div >
< 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 >
2021-01-26 11:28:50 +01:00
< 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 >
< 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 >
2021-04-27 23:00:03 +02:00
< 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 >
2020-09-01 16:00:33 +02:00
< 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 >
2021-04-27 23:00:03 +02:00
< div class = "ttc" id = "anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a03f919221217f95d21a593a7120165e1" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a03f919221217f95d21a593a7120165e1" > operations_research::data::vbp::FEASIBLE< / a > < / div > < div class = "ttdeci" > @ FEASIBLE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "vector__bin__packing_8pb_8h_source.html#l00089" > vector_bin_packing.pb.h:89< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2579881e7c83261bc21bafb5a5c92cad" > operations_research::data::vbp::OPTIMAL< / a > < / div > < div class = "ttdeci" > @ OPTIMAL< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "vector__bin__packing_8pb_8h_source.html#l00088" > vector_bin_packing.pb.h:88< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1data_1_1vbp_html_a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1data_1_1vbp.html#a4604191fbd84a43686f44c25d7bd0161a2884fa43446c0cbc9c7a9b74d41d7483" > operations_research::data::vbp::INFEASIBLE< / a > < / div > < div class = "ttdeci" > @ INFEASIBLE< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "vector__bin__packing_8pb_8h_source.html#l00090" > vector_bin_packing.pb.h:90< / a > < / div > < / div >
< div class = "ttc" id = "anamespaceoperations__research_1_1sat_html_af904018d9a1c9983624b1ce0331f2bf5" > < div class = "ttname" > < a href = "namespaceoperations__research_1_1sat.html#af904018d9a1c9983624b1ce0331f2bf5" > operations_research::sat::Solve< / a > < / div > < div class = "ttdeci" > CpSolverResponse Solve(const CpModelProto & model_proto)< / div > < div class = "ttdoc" > Solves the given CpModelProto and returns an instance of CpSolverResponse.< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "cp__model__solver_8cc_source.html#l03361" > cp_model_solver.cc:3361< / 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 = "apack_8cc_html_a750b5d744c39a06bfb13e6eb010e35d0" > < div class = "ttname" > < a href = "pack_8cc.html#a750b5d744c39a06bfb13e6eb010e35d0" > index< / a > < / div > < div class = "ttdeci" > int index< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "pack_8cc_source.html#l00509" > pack.cc:509< / a > < / div > < / div >
< 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#l00985" > routing_filters.cc:985< / 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#l03686" > routing_search.cc:3686< / a > < / div > < / div >
< 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#l02508" > search.cc:2508< / a > < / div > < / div >
2021-01-26 11:28:50 +01:00
< div class = "ttc" id = "atimer_8h_html" > < div class = "ttname" > < a href = "timer_8h.html" > timer.h< / a > < / div > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
< / div > <!-- doc - content -->
2020-09-01 16:00:33 +02:00
<!-- HTML footer for doxygen 1.8.18 -->
<!-- start footer part -->
< div id = "nav-path" class = "navpath" > <!-- id is needed for treeview function! -->
< ul >
< li class = "navelem" > < a class = "el" href = "dir_a7cc1eeded8f693d0da6c729bc88c45a.html" > ortools< / a > < / li > < li class = "navelem" > < a class = "el" href = "dir_4d3a5a688e4550f3d7725aaa5ab9c27b.html" > linear_solver< / a > < / li > < li class = "navelem" > < a class = "el" href = "cplex__interface_8cc.html" > cplex_interface.cc< / a > < / li >
< li class = "footer" > Generated by
< a href = "http://www.doxygen.org/index.html" >
2021-01-26 11:28:50 +01:00
< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.9.1 < / li >
2020-09-01 16:00:33 +02:00
< / ul >
< / div >
< / body >
< / html >
