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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) 2003-2008 |
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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 #include <lemon/lp_skeleton.h> |
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20 |
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21 ///\file |
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22 ///\brief A skeleton file to implement LP solver interfaces |
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23 namespace lemon { |
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24 |
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25 LpSolverBase* LpSkeleton::_newLp() |
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26 { |
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27 LpSolverBase *tmp=0; |
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28 return tmp; |
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29 } |
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30 |
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31 LpSolverBase* LpSkeleton::_copyLp() |
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32 { |
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33 LpSolverBase *tmp=0; |
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34 return tmp; |
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35 } |
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36 |
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37 int LpSkeleton::_addCol() |
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38 { |
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39 return ++col_num; |
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40 } |
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41 |
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42 int LpSkeleton::_addRow() |
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43 { |
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44 return ++row_num; |
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45 } |
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46 |
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47 void LpSkeleton::_eraseCol(int ) { |
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48 } |
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49 |
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50 void LpSkeleton::_eraseRow(int) { |
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51 } |
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52 |
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53 void LpSkeleton::_getColName(int, std::string &) const { |
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54 } |
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55 |
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56 |
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57 void LpSkeleton::_setColName(int, const std::string &) { |
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58 } |
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59 |
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60 int LpSkeleton::_colByName(const std::string&) const { return -1; } |
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61 |
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62 |
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63 void LpSkeleton::_setRowCoeffs(int, ConstRowIterator, ConstRowIterator) { |
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64 } |
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65 |
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66 void LpSkeleton::_getRowCoeffs(int, RowIterator) const { |
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67 } |
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68 |
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69 void LpSkeleton::_setColCoeffs(int, ConstColIterator, ConstColIterator) { |
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70 } |
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71 |
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72 void LpSkeleton::_getColCoeffs(int, ColIterator) const { |
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73 } |
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74 |
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75 void LpSkeleton::_setCoeff(int, int, Value ) |
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76 { |
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77 } |
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78 |
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79 LpSkeleton::Value LpSkeleton::_getCoeff(int, int) const |
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80 { |
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81 return 0; |
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82 } |
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83 |
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84 |
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85 void LpSkeleton::_setColLowerBound(int, Value) |
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86 { |
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87 } |
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88 |
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89 LpSkeleton::Value LpSkeleton::_getColLowerBound(int) const |
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90 { |
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91 return 0; |
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92 } |
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93 |
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94 void LpSkeleton::_setColUpperBound(int, Value) |
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95 { |
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96 } |
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97 |
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98 LpSkeleton::Value LpSkeleton::_getColUpperBound(int) const |
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99 { |
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100 return 0; |
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101 } |
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102 |
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103 // void LpSkeleton::_setRowLowerBound(int, Value) |
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104 // { |
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105 // } |
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106 |
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107 // void LpSkeleton::_setRowUpperBound(int, Value) |
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108 // { |
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109 // } |
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110 |
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111 void LpSkeleton::_setRowBounds(int, Value, Value) |
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112 { |
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113 } |
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114 |
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115 void LpSkeleton::_getRowBounds(int, Value&, Value&) const |
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116 { |
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117 } |
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118 |
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119 void LpSkeleton::_setObjCoeff(int, Value) |
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120 { |
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121 } |
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122 |
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123 LpSkeleton::Value LpSkeleton::_getObjCoeff(int) const |
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124 { |
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125 return 0; |
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126 } |
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127 |
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128 void LpSkeleton::_setMax() |
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129 { |
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130 } |
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131 |
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132 void LpSkeleton::_setMin() |
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133 { |
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134 } |
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135 |
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136 bool LpSkeleton::_isMax() const |
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137 { |
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138 return true; |
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139 } |
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140 |
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141 |
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142 void LpSkeleton::_clearObj() |
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143 { |
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144 } |
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145 |
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146 LpSkeleton::SolveExitStatus LpSkeleton::_solve() |
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147 { |
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148 return SOLVED; |
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149 } |
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150 |
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151 LpSkeleton::Value LpSkeleton::_getPrimal(int) const |
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152 { |
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153 return 0; |
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154 } |
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155 |
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156 LpSkeleton::Value LpSkeleton::_getDual(int) const |
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157 { |
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158 return 0; |
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159 } |
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160 |
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161 LpSkeleton::Value LpSkeleton::_getPrimalValue() const |
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162 { |
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163 return 0; |
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164 } |
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165 |
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166 LpSkeleton::SolutionStatus LpSkeleton::_getPrimalStatus() const |
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167 { |
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168 return UNDEFINED; |
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169 } |
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170 |
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171 LpSkeleton::SolutionStatus LpSkeleton::_getDualStatus() const |
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172 { |
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173 return UNDEFINED; |
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174 } |
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175 |
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176 LpSkeleton::ProblemTypes LpSkeleton::_getProblemType() const |
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177 { |
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178 return UNKNOWN; |
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179 } |
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180 |
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181 bool LpSkeleton::_isBasicCol(int) const |
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182 { |
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183 return true; |
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184 } |
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185 |
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186 } //namespace lemon |
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187 |