[567] | 1 | /* -*- mode: C++; indent-tabs-mode: nil; -*- |
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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) 2003-2009 |
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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 | // -*- C++ -*- |
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| 20 | #ifndef LEMON_CBC_H |
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| 21 | #define LEMON_CBC_H |
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| 22 | |
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| 23 | ///\file |
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| 24 | ///\brief Header of the LEMON-CBC mip solver interface. |
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| 25 | ///\ingroup lp_group |
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| 26 | |
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| 27 | #include <lemon/lp_base.h> |
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| 28 | |
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| 29 | class CoinModel; |
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| 30 | class OsiSolverInterface; |
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| 31 | class CbcModel; |
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| 32 | |
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| 33 | namespace lemon { |
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| 34 | |
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| 35 | /// \brief Interface for the CBC MIP solver |
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| 36 | /// |
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| 37 | /// This class implements an interface for the CBC MIP solver. |
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| 38 | ///\ingroup lp_group |
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| 39 | class CbcMip : public MipSolver { |
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| 40 | protected: |
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| 41 | |
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| 42 | CoinModel *_prob; |
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| 43 | OsiSolverInterface *_osi_solver; |
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| 44 | CbcModel *_cbc_model; |
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| 45 | |
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| 46 | public: |
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| 47 | |
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| 48 | /// \e |
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| 49 | CbcMip(); |
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| 50 | /// \e |
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| 51 | CbcMip(const CbcMip&); |
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| 52 | /// \e |
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| 53 | ~CbcMip(); |
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| 54 | /// \e |
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| 55 | virtual CbcMip* newSolver() const; |
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| 56 | /// \e |
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| 57 | virtual CbcMip* cloneSolver() const; |
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| 58 | |
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| 59 | protected: |
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| 60 | |
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| 61 | virtual const char* _solverName() const; |
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| 62 | |
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| 63 | virtual int _addCol(); |
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| 64 | virtual int _addRow(); |
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[746] | 65 | virtual int _addRow(Value l, ExprIterator b, ExprIterator e, Value u); |
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[567] | 66 | |
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| 67 | virtual void _eraseCol(int i); |
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| 68 | virtual void _eraseRow(int i); |
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| 69 | |
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| 70 | virtual void _eraseColId(int i); |
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| 71 | virtual void _eraseRowId(int i); |
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| 72 | |
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| 73 | virtual void _getColName(int col, std::string& name) const; |
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| 74 | virtual void _setColName(int col, const std::string& name); |
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| 75 | virtual int _colByName(const std::string& name) const; |
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| 76 | |
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| 77 | virtual void _getRowName(int row, std::string& name) const; |
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| 78 | virtual void _setRowName(int row, const std::string& name); |
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| 79 | virtual int _rowByName(const std::string& name) const; |
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| 80 | |
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| 81 | virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e); |
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| 82 | virtual void _getRowCoeffs(int i, InsertIterator b) const; |
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| 83 | |
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| 84 | virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e); |
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| 85 | virtual void _getColCoeffs(int i, InsertIterator b) const; |
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| 86 | |
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| 87 | virtual void _setCoeff(int row, int col, Value value); |
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| 88 | virtual Value _getCoeff(int row, int col) const; |
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| 89 | |
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| 90 | virtual void _setColLowerBound(int i, Value value); |
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| 91 | virtual Value _getColLowerBound(int i) const; |
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| 92 | virtual void _setColUpperBound(int i, Value value); |
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| 93 | virtual Value _getColUpperBound(int i) const; |
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| 94 | |
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| 95 | virtual void _setRowLowerBound(int i, Value value); |
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| 96 | virtual Value _getRowLowerBound(int i) const; |
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| 97 | virtual void _setRowUpperBound(int i, Value value); |
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| 98 | virtual Value _getRowUpperBound(int i) const; |
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| 99 | |
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| 100 | virtual void _setObjCoeffs(ExprIterator b, ExprIterator e); |
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| 101 | virtual void _getObjCoeffs(InsertIterator b) const; |
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| 102 | |
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| 103 | virtual void _setObjCoeff(int i, Value obj_coef); |
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| 104 | virtual Value _getObjCoeff(int i) const; |
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| 105 | |
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| 106 | virtual void _setSense(Sense sense); |
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| 107 | virtual Sense _getSense() const; |
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| 108 | |
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| 109 | virtual ColTypes _getColType(int col) const; |
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| 110 | virtual void _setColType(int col, ColTypes col_type); |
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| 111 | |
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| 112 | virtual SolveExitStatus _solve(); |
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| 113 | virtual ProblemType _getType() const; |
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| 114 | virtual Value _getSol(int i) const; |
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| 115 | virtual Value _getSolValue() const; |
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| 116 | |
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| 117 | virtual void _clear(); |
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| 118 | |
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[576] | 119 | virtual void _messageLevel(MessageLevel level); |
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| 120 | void _applyMessageLevel(); |
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[567] | 121 | |
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[576] | 122 | int _message_level; |
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[567] | 123 | |
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[576] | 124 | |
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[567] | 125 | |
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| 126 | }; |
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| 127 | |
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| 128 | } |
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| 129 | |
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| 130 | #endif |
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