20 |
20 |
21 ///\file |
21 ///\file |
22 ///\brief A skeleton file to implement LP solver interfaces |
22 ///\brief A skeleton file to implement LP solver interfaces |
23 namespace lemon { |
23 namespace lemon { |
24 |
24 |
25 LpSolverBase* LpSkeleton::_newLp() |
25 int SkeletonSolverBase::_addCol() |
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 { |
26 { |
39 return ++col_num; |
27 return ++col_num; |
40 } |
28 } |
41 |
29 |
42 int LpSkeleton::_addRow() |
30 int SkeletonSolverBase::_addRow() |
43 { |
31 { |
44 return ++row_num; |
32 return ++row_num; |
45 } |
33 } |
46 |
34 |
47 void LpSkeleton::_eraseCol(int ) { |
35 void SkeletonSolverBase::_eraseCol(int) {} |
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36 void SkeletonSolverBase::_eraseRow(int) {} |
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37 |
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38 void SkeletonSolverBase::_getColName(int, std::string &) const {} |
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39 void SkeletonSolverBase::_setColName(int, const std::string &) {} |
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40 int SkeletonSolverBase::_colByName(const std::string&) const { return -1; } |
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41 |
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42 void SkeletonSolverBase::_getRowName(int, std::string &) const {} |
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43 void SkeletonSolverBase::_setRowName(int, const std::string &) {} |
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44 int SkeletonSolverBase::_rowByName(const std::string&) const { return -1; } |
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45 |
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46 void SkeletonSolverBase::_setRowCoeffs(int, ExprIterator, ExprIterator) {} |
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47 void SkeletonSolverBase::_getRowCoeffs(int, InsertIterator) const {} |
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48 |
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49 void SkeletonSolverBase::_setColCoeffs(int, ExprIterator, ExprIterator) {} |
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50 void SkeletonSolverBase::_getColCoeffs(int, InsertIterator) const {} |
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51 |
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52 void SkeletonSolverBase::_setCoeff(int, int, Value) {} |
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53 SkeletonSolverBase::Value SkeletonSolverBase::_getCoeff(int, int) const |
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54 { return 0; } |
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55 |
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56 void SkeletonSolverBase::_setColLowerBound(int, Value) {} |
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57 SkeletonSolverBase::Value SkeletonSolverBase::_getColLowerBound(int) const |
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58 { return 0; } |
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59 |
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60 void SkeletonSolverBase::_setColUpperBound(int, Value) {} |
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61 SkeletonSolverBase::Value SkeletonSolverBase::_getColUpperBound(int) const |
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62 { return 0; } |
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63 |
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64 void SkeletonSolverBase::_setRowLowerBound(int, Value) {} |
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65 SkeletonSolverBase::Value SkeletonSolverBase::_getRowLowerBound(int) const |
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66 { return 0; } |
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67 |
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68 void SkeletonSolverBase::_setRowUpperBound(int, Value) {} |
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69 SkeletonSolverBase::Value SkeletonSolverBase::_getRowUpperBound(int) const |
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70 { return 0; } |
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71 |
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72 void SkeletonSolverBase::_setObjCoeffs(ExprIterator, ExprIterator) {} |
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73 void SkeletonSolverBase::_getObjCoeffs(InsertIterator) const {}; |
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74 |
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75 void SkeletonSolverBase::_setObjCoeff(int, Value) {} |
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76 SkeletonSolverBase::Value SkeletonSolverBase::_getObjCoeff(int) const |
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77 { return 0; } |
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78 |
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79 void SkeletonSolverBase::_setSense(Sense) {} |
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80 SkeletonSolverBase::Sense SkeletonSolverBase::_getSense() const |
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81 { return MIN; } |
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82 |
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83 void SkeletonSolverBase::_clear() { |
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84 row_num = col_num = 0; |
48 } |
85 } |
49 |
86 |
50 void LpSkeleton::_eraseRow(int) { |
87 LpSkeleton::SolveExitStatus LpSkeleton::_solve() { return SOLVED; } |
51 } |
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52 |
88 |
53 void LpSkeleton::_getColName(int, std::string &) const { |
89 LpSkeleton::Value LpSkeleton::_getPrimal(int) const { return 0; } |
54 } |
90 LpSkeleton::Value LpSkeleton::_getDual(int) const { return 0; } |
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91 LpSkeleton::Value LpSkeleton::_getPrimalValue() const { return 0; } |
55 |
92 |
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93 LpSkeleton::Value LpSkeleton::_getPrimalRay(int) const { return 0; } |
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94 LpSkeleton::Value LpSkeleton::_getDualRay(int) const { return 0; } |
56 |
95 |
57 void LpSkeleton::_setColName(int, const std::string &) { |
96 LpSkeleton::ProblemType LpSkeleton::_getPrimalType() const |
58 } |
97 { return UNDEFINED; } |
59 |
98 |
60 int LpSkeleton::_colByName(const std::string&) const { return -1; } |
99 LpSkeleton::ProblemType LpSkeleton::_getDualType() const |
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100 { return UNDEFINED; } |
61 |
101 |
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102 LpSkeleton::VarStatus LpSkeleton::_getColStatus(int) const |
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103 { return BASIC; } |
62 |
104 |
63 void LpSkeleton::_setRowCoeffs(int, ConstRowIterator, ConstRowIterator) { |
105 LpSkeleton::VarStatus LpSkeleton::_getRowStatus(int) const |
64 } |
106 { return BASIC; } |
65 |
107 |
66 void LpSkeleton::_getRowCoeffs(int, RowIterator) const { |
108 LpSkeleton* LpSkeleton::_newSolver() const |
67 } |
109 { return static_cast<LpSkeleton*>(0); } |
68 |
110 |
69 void LpSkeleton::_setColCoeffs(int, ConstColIterator, ConstColIterator) { |
111 LpSkeleton* LpSkeleton::_cloneSolver() const |
70 } |
112 { return static_cast<LpSkeleton*>(0); } |
71 |
113 |
72 void LpSkeleton::_getColCoeffs(int, ColIterator) const { |
114 const char* LpSkeleton::_solverName() const { return "LpSkeleton"; } |
73 } |
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74 |
115 |
75 void LpSkeleton::_setCoeff(int, int, Value ) |
116 MipSkeleton::SolveExitStatus MipSkeleton::_solve() |
76 { |
117 { return SOLVED; } |
77 } |
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78 |
118 |
79 LpSkeleton::Value LpSkeleton::_getCoeff(int, int) const |
119 MipSkeleton::Value MipSkeleton::_getSol(int) const { return 0; } |
80 { |
120 MipSkeleton::Value MipSkeleton::_getSolValue() const { return 0; } |
81 return 0; |
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82 } |
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83 |
121 |
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122 MipSkeleton::ProblemType MipSkeleton::_getType() const |
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123 { return UNDEFINED; } |
84 |
124 |
85 void LpSkeleton::_setColLowerBound(int, Value) |
125 MipSkeleton* MipSkeleton::_newSolver() const |
86 { |
126 { return static_cast<MipSkeleton*>(0); } |
87 } |
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88 |
127 |
89 LpSkeleton::Value LpSkeleton::_getColLowerBound(int) const |
128 MipSkeleton* MipSkeleton::_cloneSolver() const |
90 { |
129 { return static_cast<MipSkeleton*>(0); } |
91 return 0; |
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92 } |
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93 |
130 |
94 void LpSkeleton::_setColUpperBound(int, Value) |
131 const char* MipSkeleton::_solverName() const { return "MipSkeleton"; } |
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 |
132 |
186 } //namespace lemon |
133 } //namespace lemon |
187 |
134 |