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< h1 style = "color: #145A32;" > C++ Reference: Linear solver< / h1 >
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< a href = "#nested-classes" > Classes< / a > |
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< div class = "headertitle" > < div class = "title" > operations_research Namespace Reference< / div > < / div >
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Classes< / h2 > < / td > < / tr >
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< tr class = "memitem:" > < td class = "memItemLeft" align = "right" valign = "top" > class   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > < / td > < / tr >
< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" title = "LinearExpr models a quantity that is linear in the decision variables (MPVariable) of an optimization..." > LinearExpr< / a > models a quantity that is linear in the decision variables (< a class = "el" href = "classoperations__research_1_1_m_p_variable.html" title = "The class for variables of a Mathematical Programming (MP) model." > MPVariable< / a > ) of an optimization problem, i.e. < a href = "classoperations__research_1_1_linear_expr.html#details" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > An expression of the form: < a href = "classoperations__research_1_1_linear_range.html#details" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > The class for constraints of a Mathematical Programming (MP) model. < a href = "classoperations__research_1_1_m_p_constraint.html#details" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > A class to express a linear objective. < a href = "classoperations__research_1_1_m_p_objective.html#details" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > This mathematical programming (MP) solver class is the main class though which users build and solve problems. < a href = "classoperations__research_1_1_m_p_solver.html#details" > More...< / a > < br / > < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > This class stores parameter settings for LP and MIP solvers. < a href = "classoperations__research_1_1_m_p_solver_parameters.html#details" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memdesc:" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > The class for variables of a Mathematical Programming (MP) model. < a href = "classoperations__research_1_1_m_p_variable.html#details" > More...< / a > < br / > < / td > < / tr >
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Functions< / h2 > < / td > < / tr >
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< tr class = "memitem:a6dcd119b77400c438a8a316093d553f2" > < td class = "memItemLeft" align = "right" valign = "top" > std::ostream &   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a6dcd119b77400c438a8a316093d553f2" > operator< < < / a > (std::ostream & stream, const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > & linear_expr)< / td > < / tr >
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< tr class = "memitem:a515cdaf4f9c4000bb3482a0c450e23c3" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a515cdaf4f9c4000bb3482a0c450e23c3" > operator-< / a > (< a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > lhs, const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > & rhs)< / td > < / tr >
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< tr class = "memitem:a138bb0f103cd9d68e4d13fa773901186" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a138bb0f103cd9d68e4d13fa773901186" > operator*< / a > (< a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > lhs, double rhs)< / td > < / tr >
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< tr class = "memitem:a62b131d2829f1cdacd2414d2d7bc6c7c" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a62b131d2829f1cdacd2414d2d7bc6c7c" > operator*< / a > (double lhs, < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > rhs)< / td > < / tr >
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< tr class = "memitem:a08146f196bd9c3f492ee108732449ced" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "el" href = "classoperations__research_1_1_linear_range.html" > LinearRange< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a08146f196bd9c3f492ee108732449ced" > operator==< / a > (const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > & lhs, const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > & rhs)< / td > < / tr >
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< tr class = "memitem:a653e11eef608bfb88f21325e7fa12f2b" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a653e11eef608bfb88f21325e7fa12f2b" > SolverTypeIsMip< / a > (MPModelRequest::SolverType solver_type)< / td > < / tr >
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< tr class = "memitem:af6e53662a1f604ececc66ebeef3902f3" > < td class = "memItemLeft" align = "right" valign = "top" > std::ostream &   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#af6e53662a1f604ececc66ebeef3902f3" > operator< < < / a > (std::ostream & os, < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a > optimization_problem_type)< / td > < / tr >
< tr class = "separator:af6e53662a1f604ececc66ebeef3902f3" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a45a908ea6b50a2a7d3f6bd59de6db37c" > < td class = "memItemLeft" align = "right" valign = "top" > std::ostream &   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a45a908ea6b50a2a7d3f6bd59de6db37c" > operator< < < / a > (std::ostream & os, < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > MPSolver::ResultStatus< / a > status)< / td > < / tr >
< tr class = "separator:a45a908ea6b50a2a7d3f6bd59de6db37c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a61dc18a85425d0a7cf6aa3e7ce3199f6" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a61dc18a85425d0a7cf6aa3e7ce3199f6" > AbslParseFlag< / a > (absl::string_view text, < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a > *solver_type, std::string *error)< / td > < / tr >
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< tr class = "separator:a61dc18a85425d0a7cf6aa3e7ce3199f6" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:af04d1dfc591c35038a974202e50e541f" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#af04d1dfc591c35038a974202e50e541f" > AbslUnparseFlag< / a > (< a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a > solver_type)< / td > < / tr >
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< tr class = "separator:af04d1dfc591c35038a974202e50e541f" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a52d451963bca16889b3f1e23450a8f2d" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a52d451963bca16889b3f1e23450a8f2d" > MPSolverResponseStatusIsRpcError< / a > (MPSolverResponseStatus status)< / td > < / tr >
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< tr class = "separator:a52d451963bca16889b3f1e23450a8f2d" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a2e14c987281f826f0737c14f5abc00b7" > < td class = "memItemLeft" align = "right" valign = "top" > absl::StatusOr< std::string >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a2e14c987281f826f0737c14f5abc00b7" > ExportModelAsLpFormat< / a > (const MPModelProto & model, const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > & options=< a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ())< / td > < / tr >
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< tr class = "memdesc:a2e14c987281f826f0737c14f5abc00b7" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Outputs the current model (variables, constraints, objective) as a string encoded in the so-called "CPLEX LP file format" as generated by SCIP. < a href = "namespaceoperations__research.html#a2e14c987281f826f0737c14f5abc00b7" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a2e14c987281f826f0737c14f5abc00b7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a2c2e3f703497d288ee03330752d3a4c3" > < td class = "memItemLeft" align = "right" valign = "top" > absl::StatusOr< std::string >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a2c2e3f703497d288ee03330752d3a4c3" > ExportModelAsMpsFormat< / a > (const MPModelProto & model, const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > & options=< a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ())< / td > < / tr >
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< tr class = "memdesc:a2c2e3f703497d288ee03330752d3a4c3" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Outputs the current model (variables, constraints, objective) as a string encoded in MPS file format, using the "free" MPS format. < a href = "namespaceoperations__research.html#a2c2e3f703497d288ee03330752d3a4c3" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a2c2e3f703497d288ee03330752d3a4c3" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a4d319c19b685fe608fe013b573081351" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a4d319c19b685fe608fe013b573081351" > ExportModelAsLpFormatReturnString< / a > (const MPModelProto & input_model, const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > & options=< a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ())< / td > < / tr >
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< tr class = "separator:a4d319c19b685fe608fe013b573081351" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a37abd61c0d982af79257814b6d3a733e" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a37abd61c0d982af79257814b6d3a733e" > ExportModelAsMpsFormatReturnString< / a > (const MPModelProto & input_model, const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > & options=< a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ())< / td > < / tr >
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< tr class = "separator:a37abd61c0d982af79257814b6d3a733e" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:aa7ee6518d30b6929f4bd0229da743f18" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#aa7ee6518d30b6929f4bd0229da743f18" > FindErrorInMPModelProto< / a > (const MPModelProto & model, double abs_value_threshold=0.0, bool accept_trivially_infeasible_bounds=false)< / td > < / tr >
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< tr class = "memdesc:aa7ee6518d30b6929f4bd0229da743f18" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Returns an empty string iff the model is valid and not trivially infeasible. < a href = "namespaceoperations__research.html#aa7ee6518d30b6929f4bd0229da743f18" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:aa7ee6518d30b6929f4bd0229da743f18" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a2506c50d4eb5505613003f685fd1af9f" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a2506c50d4eb5505613003f685fd1af9f" > FindErrorInMPModelDeltaProto< / a > (const MPModelDeltaProto & delta, const MPModelProto & model)< / td > < / tr >
< tr class = "memdesc:a2506c50d4eb5505613003f685fd1af9f" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Like FindErrorInMPModelProto, but for a MPModelDeltaProto applied to a given baseline model (assumed valid, eg. < a href = "namespaceoperations__research.html#a2506c50d4eb5505613003f685fd1af9f" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:a2506c50d4eb5505613003f685fd1af9f" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a97d22724a2d11191dcf78eb8e5e5064a" > < td class = "memItemLeft" align = "right" valign = "top" > absl::optional< LazyMutableCopy< MPModelProto > >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a97d22724a2d11191dcf78eb8e5e5064a" > ExtractValidMPModelOrPopulateResponseStatus< / a > (const MPModelRequest & request, MPSolutionResponse *response)< / td > < / tr >
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< tr class = "memdesc:a97d22724a2d11191dcf78eb8e5e5064a" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > If the model is valid and non-empty, returns it (possibly after extracting the model_delta). < a href = "namespaceoperations__research.html#a97d22724a2d11191dcf78eb8e5e5064a" > More...< / a > < br / > < / td > < / tr >
< tr class = "separator:a97d22724a2d11191dcf78eb8e5e5064a" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a518848a6b3e172d127121637ab5c608d" > < td class = "memItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a518848a6b3e172d127121637ab5c608d" > ExtractValidMPModelInPlaceOrPopulateResponseStatus< / a > (MPModelRequest *request, MPSolutionResponse *response)< / td > < / tr >
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< tr class = "memdesc:a518848a6b3e172d127121637ab5c608d" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Like < a class = "el" href = "namespaceoperations__research.html#a97d22724a2d11191dcf78eb8e5e5064a" title = "If the model is valid and non-empty, returns it (possibly after extracting the model_delta)." > ExtractValidMPModelOrPopulateResponseStatus()< / a > , but works in-place: if the MPModel needed extraction, it will be populated in the request, and it returns the success boolean. < a href = "namespaceoperations__research.html#a518848a6b3e172d127121637ab5c608d" > More...< / a > < br / > < / td > < / tr >
2019-09-03 15:42:34 +02:00
< tr class = "separator:a518848a6b3e172d127121637ab5c608d" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:ae4ee4d82cf625670cdc1f52197454654" > < td class = "memItemLeft" align = "right" valign = "top" > std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#ae4ee4d82cf625670cdc1f52197454654" > FindFeasibilityErrorInSolutionHint< / a > (const MPModelProto & model, double tolerance)< / td > < / tr >
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< tr class = "memdesc:ae4ee4d82cf625670cdc1f52197454654" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > Returns an empty string if the solution hint given in the model is a feasible solution. < a href = "namespaceoperations__research.html#ae4ee4d82cf625670cdc1f52197454654" > More...< / a > < br / > < / td > < / tr >
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< tr class = "separator:ae4ee4d82cf625670cdc1f52197454654" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:ae6841e1b78c89cf9139fc1b9ba1ae8cb" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#ae6841e1b78c89cf9139fc1b9ba1ae8cb" > MergeMPConstraintProtoExceptTerms< / a > (const MPConstraintProto & from, MPConstraintProto *to)< / td > < / tr >
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< tr class = "separator:ae6841e1b78c89cf9139fc1b9ba1ae8cb" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< tr class = "memitem:a3ed9bad79131000a00e7f01a5f5b824c" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a3ed9bad79131000a00e7f01a5f5b824c" > ApplyVerifiedMPModelDelta< / a > (const MPModelDeltaProto & delta, MPModelProto *model)< / td > < / tr >
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< tr class = "separator:a3ed9bad79131000a00e7f01a5f5b824c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table > < table class = "memberdecls" >
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< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a id = "var-members" name = "var-members" > < / a >
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Variables< / h2 > < / td > < / tr >
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< tr class = "memitem:a221d711fbd5a16db9dc92a3c5095cbf5" > < td class = "memItemLeft" align = "right" valign = "top" > constexpr double  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "namespaceoperations__research.html#a221d711fbd5a16db9dc92a3c5095cbf5" > kDefaultPrimalTolerance< / a > = 1e-07< / td > < / tr >
< tr class = "separator:a221d711fbd5a16db9dc92a3c5095cbf5" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
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< / table >
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< h2 class = "groupheader" > Function Documentation< / h2 >
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< a id = "a61dc18a85425d0a7cf6aa3e7ce3199f6" name = "a61dc18a85425d0a7cf6aa3e7ce3199f6" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a61dc18a85425d0a7cf6aa3e7ce3199f6" > ◆ < / a > < / span > AbslParseFlag()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > bool operations_research::AbslParseFlag < / td >
< td > (< / td >
< td class = "paramtype" > absl::string_view  < / td >
< td class = "paramname" > < em > text< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a > *  < / td >
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< td class = "paramname" > < em > solver_type< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > std::string *  < / td >
< td class = "paramname" > < em > error< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< / div >
< / div >
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< a id = "af04d1dfc591c35038a974202e50e541f" name = "af04d1dfc591c35038a974202e50e541f" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#af04d1dfc591c35038a974202e50e541f" > ◆ < / a > < / span > AbslUnparseFlag()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
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< td class = "memname" > std::string operations_research::AbslUnparseFlag < / td >
< td > (< / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a >   < / td >
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< td class = "paramname" > < em > solver_type< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / td >
< td class = "mlabels-right" >
< span class = "mlabels" > < span class = "mlabel" > inline< / span > < / span > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< p class = "definition" > Definition at line < a class = "el" href = "linear__solver_8h_source.html#l00959" > 959< / a > of file < a class = "el" href = "linear__solver_8h_source.html" > linear_solver.h< / a > .< / p >
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< / div >
< / div >
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< a id = "a3ed9bad79131000a00e7f01a5f5b824c" name = "a3ed9bad79131000a00e7f01a5f5b824c" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a3ed9bad79131000a00e7f01a5f5b824c" > ◆ < / a > < / span > ApplyVerifiedMPModelDelta()< / h2 >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void operations_research::ApplyVerifiedMPModelDelta < / td >
< td > (< / td >
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< td class = "paramtype" > const MPModelDeltaProto &   < / td >
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< td class = "paramname" > < em > delta< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > MPModelProto *  < / td >
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< td class = "paramname" > < em > model< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
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< / div >
< / div >
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< a id = "a2e14c987281f826f0737c14f5abc00b7" name = "a2e14c987281f826f0737c14f5abc00b7" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a2e14c987281f826f0737c14f5abc00b7" > ◆ < / a > < / span > ExportModelAsLpFormat()< / h2 >
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > absl::StatusOr< std::string > operations_research::ExportModelAsLpFormat < / td >
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< td > (< / td >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > model< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > &   < / td >
< td class = "paramname" > < em > options< / em > = < code > < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ()< / code >   < / td >
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< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
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< p > Outputs the current model (variables, constraints, objective) as a string encoded in the so-called "CPLEX LP file format" as generated by SCIP. < / p >
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< p > The LP file format is easily readable by a human.< / p >
< p > Returns false if some error has occurred during execution. The validity of names is automatically checked. If a variable name or a constraint name is invalid or non-existent, a new valid name is automatically generated.< / p >
< p > If 'obfuscated' is true, the variable and constraint names of proto_ are not used. Variable and constraint names of the form "V12345" and "C12345" are used instead.< / p >
< p > For more information about the different LP file formats: < a href = "http://lpsolve.sourceforge.net/5.5/lp-format.htm" > http://lpsolve.sourceforge.net/5.5/lp-format.htm< / a > The following give a reasonable idea of the CPLEX LP file format: < a href = "http://lpsolve.sourceforge.net/5.5/CPLEX-format.htm" > http://lpsolve.sourceforge.net/5.5/CPLEX-format.htm< / a > < a href = "http://tinyurl.com/cplex-lp-format" > http://tinyurl.com/cplex-lp-format< / a > < a href = "http://www.gurobi.com/documentation/5.1/reference-manual/node871" > http://www.gurobi.com/documentation/5.1/reference-manual/node871< / a > < / p >
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< a id = "a4d319c19b685fe608fe013b573081351" name = "a4d319c19b685fe608fe013b573081351" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a4d319c19b685fe608fe013b573081351" > ◆ < / a > < / span > ExportModelAsLpFormatReturnString()< / h2 >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > input_model< / em > , < / td >
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< td class = "paramkey" > < / td >
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< td class = "paramtype" > const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > &   < / td >
< td class = "paramname" > < em > options< / em > = < code > < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ()< / code >   < / td >
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< / tr >
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< td > < / td > < td > < / td >
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< p class = "definition" > Definition at line < a class = "el" href = "model__exporter__swig__helper_8h_source.html#l00024" > 24< / a > of file < a class = "el" href = "model__exporter__swig__helper_8h_source.html" > model_exporter_swig_helper.h< / a > .< / p >
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< a id = "a2c2e3f703497d288ee03330752d3a4c3" name = "a2c2e3f703497d288ee03330752d3a4c3" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a2c2e3f703497d288ee03330752d3a4c3" > ◆ < / a > < / span > ExportModelAsMpsFormat()< / h2 >
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< td class = "memname" > absl::StatusOr< std::string > operations_research::ExportModelAsMpsFormat < / td >
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< td > (< / td >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > model< / em > , < / td >
< / tr >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > &   < / td >
< td class = "paramname" > < em > options< / em > = < code > < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ()< / code >   < / td >
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< / tr >
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< td > < / td > < td > < / td >
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< p > Outputs the current model (variables, constraints, objective) as a string encoded in MPS file format, using the "free" MPS format. < / p >
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< p > Returns false if some error has occurred during execution. Models with maximization objectives trigger an error, because MPS can encode only minimization problems.< / p >
< p > The validity of names is automatically checked. If a variable name or a constraint name is invalid or non-existent, a new valid name is automatically generated.< / p >
< p > Name validity and obfuscation works exactly as in < a class = "el" href = "namespaceoperations__research.html#a2e14c987281f826f0737c14f5abc00b7" title = "Outputs the current model (variables, constraints, objective) as a string encoded in the so-called "C..." > ExportModelAsLpFormat()< / a > .< / p >
< p > For more information about the MPS format: < a href = "http://en.wikipedia.org/wiki/MPS_(format)" > http://en.wikipedia.org/wiki/MPS_(format)< / a > A close-to-original description coming from OSL: < a href = "http://tinyurl.com/mps-format-by-osl" > http://tinyurl.com/mps-format-by-osl< / a > A recent description from CPLEX: < a href = "http://tinyurl.com/mps-format-by-cplex" > http://tinyurl.com/mps-format-by-cplex< / a > CPLEX extensions: < a href = "http://tinyurl.com/mps-extensions-by-cplex" > http://tinyurl.com/mps-extensions-by-cplex< / a > Gurobi's description: < a href = "http://www.gurobi.com/documentation/5.1/reference-manual/node869" > http://www.gurobi.com/documentation/5.1/reference-manual/node869< / a > < / p >
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< a id = "a37abd61c0d982af79257814b6d3a733e" name = "a37abd61c0d982af79257814b6d3a733e" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a37abd61c0d982af79257814b6d3a733e" > ◆ < / a > < / span > ExportModelAsMpsFormatReturnString()< / h2 >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > input_model< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > const < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > &   < / td >
< td class = "paramname" > < em > options< / em > = < code > < a class = "el" href = "structoperations__research_1_1_m_p_model_export_options.html" > MPModelExportOptions< / a > ()< / code >   < / td >
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< / tr >
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< td > < / td >
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< p class = "definition" > Definition at line < a class = "el" href = "model__exporter__swig__helper_8h_source.html#l00031" > 31< / a > of file < a class = "el" href = "model__exporter__swig__helper_8h_source.html" > model_exporter_swig_helper.h< / a > .< / p >
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< a id = "a518848a6b3e172d127121637ab5c608d" name = "a518848a6b3e172d127121637ab5c608d" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a518848a6b3e172d127121637ab5c608d" > ◆ < / a > < / span > ExtractValidMPModelInPlaceOrPopulateResponseStatus()< / h2 >
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< td class = "memname" > bool operations_research::ExtractValidMPModelInPlaceOrPopulateResponseStatus < / td >
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< td class = "paramtype" > MPModelRequest *  < / td >
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< td class = "paramname" > < em > request< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > MPSolutionResponse *  < / td >
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< td class = "paramname" > < em > response< / em >   < / td >
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< p > Like < a class = "el" href = "namespaceoperations__research.html#a97d22724a2d11191dcf78eb8e5e5064a" title = "If the model is valid and non-empty, returns it (possibly after extracting the model_delta)." > ExtractValidMPModelOrPopulateResponseStatus()< / a > , but works in-place: if the MPModel needed extraction, it will be populated in the request, and it returns the success boolean. < / p >
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< / div >
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< a id = "a97d22724a2d11191dcf78eb8e5e5064a" name = "a97d22724a2d11191dcf78eb8e5e5064a" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a97d22724a2d11191dcf78eb8e5e5064a" > ◆ < / a > < / span > ExtractValidMPModelOrPopulateResponseStatus()< / h2 >
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< td class = "memname" > absl::optional< LazyMutableCopy< MPModelProto > > operations_research::ExtractValidMPModelOrPopulateResponseStatus < / td >
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< td > (< / td >
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< td class = "paramtype" > const MPModelRequest &   < / td >
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< td class = "paramname" > < em > request< / em > , < / td >
< / tr >
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< td class = "paramkey" > < / td >
< td > < / td >
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< td class = "paramtype" > MPSolutionResponse *  < / td >
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< td class = "paramname" > < em > response< / em >   < / td >
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< p > If the model is valid and non-empty, returns it (possibly after extracting the model_delta). < / p >
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< p > If invalid or empty, updates < code > response< / code > and returns null. < / p >
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< a id = "a2506c50d4eb5505613003f685fd1af9f" name = "a2506c50d4eb5505613003f685fd1af9f" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a2506c50d4eb5505613003f685fd1af9f" > ◆ < / a > < / span > FindErrorInMPModelDeltaProto()< / h2 >
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< td class = "memname" > std::string operations_research::FindErrorInMPModelDeltaProto < / td >
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< td class = "paramtype" > const MPModelDeltaProto &   < / td >
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< td class = "paramname" > < em > delta< / em > , < / td >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > model< / em >   < / td >
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< p > Like FindErrorInMPModelProto, but for a MPModelDeltaProto applied to a given baseline model (assumed valid, eg. < / p >
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< p > FindErrorInMPModelProto(model)=""). Works in O(|model_delta|) + O(num_vars in model), but the latter term has a very small constant factor. < / p >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#aa7ee6518d30b6929f4bd0229da743f18" > ◆ < / a > < / span > FindErrorInMPModelProto()< / h2 >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > model< / em > , < / td >
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< td > < / td >
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< td class = "paramtype" > double  < / td >
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< td class = "paramname" > < em > abs_value_threshold< / em > = < code > 0.0< / code > , < / td >
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< td class = "paramtype" > bool  < / td >
< td class = "paramname" > < em > accept_trivially_infeasible_bounds< / em > = < code > false< / code >   < / td >
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< p > Returns an empty string iff the model is valid and not trivially infeasible. < / p >
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< p > Otherwise, returns a description of the first error or trivial infeasibility variable or constraint bound encountered.< / p >
< p > abs_value_threshold is the (exclusive) limit for the abs value of constraint coefficients, objective coefficients, etc. If unspecified, or 0, it defaults to FLAGS_model_validator_infinity.< / p >
< p > NOTE(user): the code of this method (and the client code too!) is considerably simplified by this string-based, simple API. If clients require it, we could add a formal error status enum. < / p >
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< a id = "ae4ee4d82cf625670cdc1f52197454654" name = "ae4ee4d82cf625670cdc1f52197454654" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ae4ee4d82cf625670cdc1f52197454654" > ◆ < / a > < / span > FindFeasibilityErrorInSolutionHint()< / h2 >
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< td class = "paramtype" > const MPModelProto &   < / td >
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< td class = "paramname" > < em > model< / em > , < / td >
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< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > double  < / td >
< td class = "paramname" > < em > tolerance< / em >   < / td >
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< p > Returns an empty string if the solution hint given in the model is a feasible solution. < / p >
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< p > Otherwise, returns a description of the first reason for infeasibility.< / p >
< p > This function can be useful for debugging/checking that the given solution hint is feasible when it is expected to be the case. The feasibility is checked up to the given tolerance using the ::operations_research::IsLowerWithinTolerance() function. < / p >
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< a id = "ae6841e1b78c89cf9139fc1b9ba1ae8cb" name = "ae6841e1b78c89cf9139fc1b9ba1ae8cb" > < / a >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ae6841e1b78c89cf9139fc1b9ba1ae8cb" > ◆ < / a > < / span > MergeMPConstraintProtoExceptTerms()< / h2 >
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< td class = "memname" > void operations_research::MergeMPConstraintProtoExceptTerms < / td >
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< td > (< / td >
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< td class = "paramtype" > const MPConstraintProto &   < / td >
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< td class = "paramname" > < em > from< / em > , < / td >
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< td > < / td >
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< td class = "paramtype" > MPConstraintProto *  < / td >
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< td class = "paramname" > < em > to< / em >   < / td >
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< / tr >
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< td > < / td >
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< td > )< / td >
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< a id = "a52d451963bca16889b3f1e23450a8f2d" name = "a52d451963bca16889b3f1e23450a8f2d" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a52d451963bca16889b3f1e23450a8f2d" > ◆ < / a > < / span > MPSolverResponseStatusIsRpcError()< / h2 >
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< td class = "memname" > bool operations_research::MPSolverResponseStatusIsRpcError < / td >
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< td > (< / td >
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< td class = "paramtype" > MPSolverResponseStatus  < / td >
< td class = "paramname" > < em > status< / em > < / td > < td > )< / td >
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< td > < / td >
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< a id = "a62b131d2829f1cdacd2414d2d7bc6c7c" name = "a62b131d2829f1cdacd2414d2d7bc6c7c" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a62b131d2829f1cdacd2414d2d7bc6c7c" > ◆ < / a > < / span > operator*() < span class = "overload" > [1/2]< / span > < / h2 >
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< td class = "memname" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > operations_research::operator* < / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td >
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< a id = "a138bb0f103cd9d68e4d13fa773901186" name = "a138bb0f103cd9d68e4d13fa773901186" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a138bb0f103cd9d68e4d13fa773901186" > ◆ < / a > < / span > operator*() < span class = "overload" > [2/2]< / span > < / h2 >
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< td class = "memname" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > operations_research::operator* < / td >
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< td > (< / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td >
< td class = "paramname" > < em > lhs< / em > , < / td >
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< a id = "a97f9b83239285f5fdfcac1b8e8b4f162" name = "a97f9b83239285f5fdfcac1b8e8b4f162" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a97f9b83239285f5fdfcac1b8e8b4f162" > ◆ < / a > < / span > operator+()< / h2 >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td >
< td class = "paramname" > < em > lhs< / em > , < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
< td class = "paramname" > < em > rhs< / em >   < / td >
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< a id = "a515cdaf4f9c4000bb3482a0c450e23c3" name = "a515cdaf4f9c4000bb3482a0c450e23c3" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a515cdaf4f9c4000bb3482a0c450e23c3" > ◆ < / a > < / span > operator-()< / h2 >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#abebdd7f40e90df8dc7d557b6e26da942" > ◆ < / a > < / span > operator/()< / h2 >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a >   < / td >
< td class = "paramname" > < em > lhs< / em > , < / td >
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< a id = "af6e53662a1f604ececc66ebeef3902f3" name = "af6e53662a1f604ececc66ebeef3902f3" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#af6e53662a1f604ececc66ebeef3902f3" > ◆ < / a > < / span > operator< < () < span class = "overload" > [1/3]< / span > < / h2 >
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< td class = "memname" > std::ostream & operations_research::operator< < < / td >
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< td > (< / td >
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< td class = "paramtype" > std::ostream &   < / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a >   < / td >
< td class = "paramname" > < em > optimization_problem_type< / em >   < / td >
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< p class = "definition" > Definition at line < a class = "el" href = "linear__solver_8h_source.html#l00943" > 943< / a > of file < a class = "el" href = "linear__solver_8h_source.html" > linear_solver.h< / a > .< / p >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a45a908ea6b50a2a7d3f6bd59de6db37c" > ◆ < / a > < / span > operator< < () < span class = "overload" > [2/3]< / span > < / h2 >
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< td class = "memname" > std::ostream & operations_research::operator< < < / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a573d479910e373f5d771d303e440587d" > MPSolver::ResultStatus< / a >   < / td >
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< p class = "definition" > Definition at line < a class = "el" href = "linear__solver_8h_source.html#l00949" > 949< / a > of file < a class = "el" href = "linear__solver_8h_source.html" > linear_solver.h< / a > .< / p >
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< td class = "memname" > std::ostream & operations_research::operator< < < / td >
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< td class = "paramtype" > std::ostream &   < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
< td class = "paramname" > < em > linear_expr< / em >   < / td >
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< a id = "a6d1fa20f9c9faf7027c0b16f97139e80" name = "a6d1fa20f9c9faf7027c0b16f97139e80" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a6d1fa20f9c9faf7027c0b16f97139e80" > ◆ < / a > < / span > operator< =()< / h2 >
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< td class = "memname" > < a class = "el" href = "classoperations__research_1_1_linear_range.html" > LinearRange< / a > operations_research::operator< = < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
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< a id = "a08146f196bd9c3f492ee108732449ced" name = "a08146f196bd9c3f492ee108732449ced" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a08146f196bd9c3f492ee108732449ced" > ◆ < / a > < / span > operator==()< / h2 >
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< td class = "memname" > < a class = "el" href = "classoperations__research_1_1_linear_range.html" > LinearRange< / a > operations_research::operator== < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
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< a id = "ac4052f92af6a7fbb1d45e17befcb68e0" name = "ac4052f92af6a7fbb1d45e17befcb68e0" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#ac4052f92af6a7fbb1d45e17befcb68e0" > ◆ < / a > < / span > operator> =()< / h2 >
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< td class = "paramtype" > const < a class = "el" href = "classoperations__research_1_1_linear_expr.html" > LinearExpr< / a > &   < / td >
< td class = "paramname" > < em > lhs< / em > , < / td >
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< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a653e11eef608bfb88f21325e7fa12f2b" > ◆ < / a > < / span > SolverTypeIsMip() < span class = "overload" > [1/2]< / span > < / h2 >
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< td class = "memname" > bool operations_research::SolverTypeIsMip < / td >
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< td class = "paramtype" > MPModelRequest::SolverType  < / td >
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< a id = "a417ee4c2129def5589f952ac70233b2e" name = "a417ee4c2129def5589f952ac70233b2e" > < / a >
< h2 class = "memtitle" > < span class = "permalink" > < a href = "#a417ee4c2129def5589f952ac70233b2e" > ◆ < / a > < / span > SolverTypeIsMip() < span class = "overload" > [2/2]< / span > < / h2 >
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< td class = "memname" > bool operations_research::SolverTypeIsMip < / td >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a >   < / td >
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< p class = "definition" > Definition at line < a class = "el" href = "linear__solver_8h_source.html#l00936" > 936< / a > of file < a class = "el" href = "linear__solver_8h_source.html" > linear_solver.h< / a > .< / p >
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< td class = "paramtype" > < a class = "el" href = "classoperations__research_1_1_m_p_solver.html#a76c87990aabadd148304b95332a60ff8" > MPSolver::OptimizationProblemType< / a >   < / td >
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< h2 class = "groupheader" > Variable Documentation< / h2 >
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< td class = "memname" > constexpr double kDefaultPrimalTolerance = 1e-07< / td >
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