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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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65 |
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66 virtual void _eraseCol(int i); |
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67 virtual void _eraseRow(int i); |
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68 |
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69 virtual void _eraseColId(int i); |
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70 virtual void _eraseRowId(int i); |
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71 |
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72 virtual void _getColName(int col, std::string& name) const; |
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73 virtual void _setColName(int col, const std::string& name); |
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74 virtual int _colByName(const std::string& name) const; |
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75 |
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76 virtual void _getRowName(int row, std::string& name) const; |
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77 virtual void _setRowName(int row, const std::string& name); |
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78 virtual int _rowByName(const std::string& name) const; |
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79 |
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80 virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e); |
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81 virtual void _getRowCoeffs(int i, InsertIterator b) const; |
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82 |
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83 virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e); |
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84 virtual void _getColCoeffs(int i, InsertIterator b) const; |
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85 |
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86 virtual void _setCoeff(int row, int col, Value value); |
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87 virtual Value _getCoeff(int row, int col) const; |
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88 |
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89 virtual void _setColLowerBound(int i, Value value); |
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90 virtual Value _getColLowerBound(int i) const; |
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91 virtual void _setColUpperBound(int i, Value value); |
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92 virtual Value _getColUpperBound(int i) const; |
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93 |
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94 virtual void _setRowLowerBound(int i, Value value); |
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95 virtual Value _getRowLowerBound(int i) const; |
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96 virtual void _setRowUpperBound(int i, Value value); |
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97 virtual Value _getRowUpperBound(int i) const; |
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98 |
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99 virtual void _setObjCoeffs(ExprIterator b, ExprIterator e); |
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100 virtual void _getObjCoeffs(InsertIterator b) const; |
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101 |
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102 virtual void _setObjCoeff(int i, Value obj_coef); |
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103 virtual Value _getObjCoeff(int i) const; |
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104 |
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105 virtual void _setSense(Sense sense); |
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106 virtual Sense _getSense() const; |
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107 |
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108 virtual ColTypes _getColType(int col) const; |
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109 virtual void _setColType(int col, ColTypes col_type); |
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110 |
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111 virtual SolveExitStatus _solve(); |
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112 virtual ProblemType _getType() const; |
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113 virtual Value _getSol(int i) const; |
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114 virtual Value _getSolValue() const; |
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115 |
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116 virtual void _clear(); |
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117 |
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118 public: |
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119 |
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120 ///Enum for \c messageLevel() parameter |
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121 enum MessageLevel { |
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122 /// no output (default value) |
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123 MESSAGE_NO_OUTPUT = 0, |
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124 /// error messages only |
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125 MESSAGE_ERROR_MESSAGE = 1, |
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126 /// normal output |
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127 MESSAGE_NORMAL_OUTPUT = 2, |
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128 /// full output (includes informational messages) |
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129 MESSAGE_FULL_OUTPUT = 3 |
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130 }; |
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131 |
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132 private: |
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133 |
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134 MessageLevel _message_level; |
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135 |
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136 public: |
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137 |
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138 ///Set the verbosity of the messages |
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139 |
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140 ///Set the verbosity of the messages |
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141 /// |
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142 ///\param m is the level of the messages output by the solver routines. |
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143 void messageLevel(MessageLevel m); |
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144 |
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145 |
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146 }; |
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147 |
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148 } |
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149 |
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150 #endif |