1 | /* -*- C++ -*- |
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2 | * |
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3 | * This file is a part of LEMON, a generic C++ optimization library |
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4 | * |
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5 | * Copyright (C) 2003-2006 |
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6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 | * |
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9 | * Permission to use, modify and distribute this software is granted |
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10 | * provided that this copyright notice appears in all copies. For |
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11 | * precise terms see the accompanying LICENSE file. |
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12 | * |
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13 | * This software is provided "AS IS" with no warranty of any kind, |
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14 | * express or implied, and with no claim as to its suitability for any |
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15 | * purpose. |
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16 | * |
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17 | */ |
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18 | |
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19 | #ifndef LEMON_LP_CPLEX_H |
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20 | #define LEMON_LP_CPLEX_H |
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21 | |
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22 | ///\file |
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23 | ///\brief Header of the LEMON-CPLEX lp solver interface. |
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24 | |
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25 | #include <lemon/lp_base.h> |
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26 | |
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27 | extern "C" { |
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28 | #include <ilcplex/cplex.h> |
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29 | } |
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30 | |
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31 | namespace lemon { |
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32 | |
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33 | |
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34 | /// \brief Interface for the CPLEX solver |
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35 | /// |
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36 | /// This class implements an interface for the CPLEX LP solver. |
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37 | class LpCplex : public LpSolverBase { |
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38 | |
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39 | public: |
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40 | |
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41 | typedef LpSolverBase Parent; |
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42 | |
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43 | /// \e |
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44 | int status; |
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45 | CPXENVptr env; |
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46 | CPXLPptr lp; |
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47 | |
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48 | |
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49 | /// \e |
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50 | LpCplex(); |
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51 | /// \e |
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52 | ~LpCplex(); |
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53 | |
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54 | protected: |
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55 | virtual LpSolverBase &_newLp(); |
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56 | virtual LpSolverBase &_copyLp(); |
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57 | |
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58 | virtual int _addCol(); |
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59 | virtual int _addRow(); |
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60 | virtual void _eraseCol(int i); |
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61 | virtual void _eraseRow(int i); |
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62 | virtual void _getColName(int col, std::string & name); |
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63 | virtual void _setColName(int col, const std::string & name); |
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64 | virtual void _setRowCoeffs(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 _setColCoeffs(int i, |
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69 | int length, |
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70 | const int * indices, |
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71 | const Value * values); |
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72 | virtual void _setCoeff(int row, int col, Value value); |
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73 | virtual void _setColLowerBound(int i, Value value); |
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74 | virtual void _setColUpperBound(int i, Value value); |
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75 | // virtual void _setRowLowerBound(int i, Value value); |
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76 | // virtual void _setRowUpperBound(int i, Value value); |
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77 | virtual void _setRowBounds(int i, Value lower, Value upper); |
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78 | virtual void _setObjCoeff(int i, Value obj_coef); |
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79 | virtual void _clearObj(); |
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80 | ///\e |
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81 | |
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82 | virtual SolveExitStatus _solve(); |
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83 | virtual Value _getPrimal(int i); |
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84 | virtual Value _getDual(int i); |
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85 | virtual Value _getPrimalValue(); |
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86 | virtual bool _isBasicCol(int i); |
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87 | |
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88 | virtual SolutionStatus _getPrimalStatus(); |
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89 | virtual SolutionStatus _getDualStatus(); |
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90 | virtual ProblemTypes _getProblemType(); |
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91 | |
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92 | |
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93 | virtual void _setMax(); |
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94 | virtual void _setMin(); |
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95 | |
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96 | }; |
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97 | } //END OF NAMESPACE LEMON |
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98 | |
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99 | #endif //LEMON_LP_CPLEX_H |
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100 | |
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