| 1 | /* -*- C++ -*- |
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| 2 | * lemon/lp_cplex.h - Part of LEMON, a generic C++ optimization library |
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| 3 | * |
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| 4 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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| 5 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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| 6 | * |
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| 7 | * Permission to use, modify and distribute this software is granted |
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| 8 | * provided that this copyright notice appears in all copies. For |
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| 9 | * precise terms see the accompanying LICENSE file. |
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| 10 | * |
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| 11 | * This software is provided "AS IS" with no warranty of any kind, |
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| 12 | * express or implied, and with no claim as to its suitability for any |
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| 13 | * purpose. |
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| 14 | * |
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| 15 | */ |
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| 16 | |
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| 17 | #ifndef LEMON_LP_CPLEX_H |
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| 18 | #define LEMON_LP_CPLEX_H |
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| 19 | |
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| 20 | ///\file |
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| 21 | ///\brief Header of the LEMON-CPLEX lp solver interface. |
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| 22 | |
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| 23 | #include <lemon/lp_base.h> |
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| 24 | |
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| 25 | extern "C" { |
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| 26 | #include <ilcplex/cplex.h> |
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| 27 | } |
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| 28 | |
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| 29 | namespace lemon { |
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| 30 | |
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| 31 | |
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| 32 | /// \brief Interface for the CPLEX solver |
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| 33 | /// |
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| 34 | /// This class implements an interface for the CPLEX LP solver. |
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| 35 | class LpCplex : public LpSolverBase { |
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| 36 | |
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| 37 | public: |
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| 38 | |
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| 39 | typedef LpSolverBase Parent; |
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| 40 | |
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| 41 | /// \e |
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| 42 | int status; |
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| 43 | CPXENVptr env; |
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| 44 | CPXLPptr lp; |
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| 45 | |
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| 46 | |
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| 47 | /// \e |
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| 48 | LpCplex(); |
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| 49 | /// \e |
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| 50 | ~LpCplex(); |
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| 51 | |
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| 52 | protected: |
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| 53 | virtual LpSolverBase &_newLp(); |
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| 54 | virtual LpSolverBase &_copyLp(); |
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| 55 | |
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| 56 | virtual int _addCol(); |
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| 57 | virtual int _addRow(); |
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| 58 | virtual void _eraseCol(int i); |
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| 59 | virtual void _eraseRow(int i); |
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| 60 | virtual void _setRowCoeffs(int i, |
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| 61 | int length, |
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| 62 | const int * indices, |
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| 63 | const Value * values ); |
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| 64 | virtual void _setColCoeffs(int i, |
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| 65 | int length, |
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| 66 | const int * indices, |
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| 67 | const Value * values); |
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| 68 | virtual void _setCoeff(int row, int col, Value value); |
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| 69 | virtual void _setColLowerBound(int i, Value value); |
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| 70 | virtual void _setColUpperBound(int i, Value value); |
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| 71 | // virtual void _setRowLowerBound(int i, Value value); |
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| 72 | // virtual void _setRowUpperBound(int i, Value value); |
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| 73 | virtual void _setRowBounds(int i, Value lower, Value upper); |
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| 74 | virtual void _setObjCoeff(int i, Value obj_coef); |
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| 75 | virtual void _clearObj(); |
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| 76 | ///\e |
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| 77 | |
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| 78 | virtual SolveExitStatus _solve(); |
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| 79 | |
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| 80 | virtual Value _getPrimal(int i); |
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| 81 | |
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| 82 | |
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| 83 | virtual Value _getPrimalValue(); |
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| 84 | |
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| 85 | virtual SolutionStatus _getPrimalStatus(); |
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| 86 | virtual SolutionStatus _getDualStatus(); |
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| 87 | virtual ProblemTypes _getProblemType(); |
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| 88 | |
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| 89 | |
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| 90 | virtual void _setMax(); |
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| 91 | virtual void _setMin(); |
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| 92 | |
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| 93 | }; |
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| 94 | } //END OF NAMESPACE LEMON |
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| 95 | |
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| 96 | #endif //LEMON_LP_CPLEX_H |
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| 97 | |
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