[1254] | 1 | /* -*- C++ -*- |
---|
[1313] | 2 | * src/lemon/lp_skeleton.h |
---|
[1254] | 3 | * - Part of LEMON, a generic C++ optimization library |
---|
| 4 | * |
---|
| 5 | * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
---|
[1359] | 6 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
---|
[1254] | 7 | * |
---|
| 8 | * Permission to use, modify and distribute this software is granted |
---|
| 9 | * provided that this copyright notice appears in all copies. For |
---|
| 10 | * precise terms see the accompanying LICENSE file. |
---|
| 11 | * |
---|
| 12 | * This software is provided "AS IS" with no warranty of any kind, |
---|
| 13 | * express or implied, and with no claim as to its suitability for any |
---|
| 14 | * purpose. |
---|
| 15 | * |
---|
| 16 | */ |
---|
| 17 | |
---|
[1313] | 18 | #ifndef LEMON_LP_SKELETON |
---|
| 19 | #define LEMON_LP_SKELETON |
---|
[1254] | 20 | |
---|
[1356] | 21 | #include <lemon/lp_base.h> |
---|
[1254] | 22 | |
---|
| 23 | ///\file |
---|
| 24 | ///\brief A skeleton file to implement LP solver interfaces |
---|
| 25 | namespace lemon { |
---|
| 26 | |
---|
| 27 | ///A skeleton class to implement LP solver interfaces |
---|
[1313] | 28 | class LpSkeleton :public LpSolverBase { |
---|
[1273] | 29 | int col_num,row_num; |
---|
| 30 | |
---|
[1254] | 31 | protected: |
---|
[1364] | 32 | ///\e |
---|
| 33 | virtual LpSolverBase &_newLp(); |
---|
| 34 | ///\e |
---|
| 35 | virtual LpSolverBase &_copyLp(); |
---|
[1294] | 36 | /// \e |
---|
[1254] | 37 | virtual int _addCol(); |
---|
[1294] | 38 | /// \e |
---|
[1254] | 39 | virtual int _addRow(); |
---|
[1294] | 40 | /// \e |
---|
| 41 | |
---|
| 42 | /// \warning Arrays are indexed from 1 (datum at index 0 is ignored) |
---|
| 43 | /// |
---|
[1254] | 44 | virtual void _setRowCoeffs(int i, |
---|
| 45 | int length, |
---|
| 46 | int const * indices, |
---|
| 47 | Value const * values ); |
---|
[1294] | 48 | /// \e |
---|
| 49 | |
---|
| 50 | /// \warning Arrays are indexed from 1 (datum at index 0 is ignored) |
---|
| 51 | /// |
---|
[1254] | 52 | virtual void _setColCoeffs(int i, |
---|
| 53 | int length, |
---|
| 54 | int const * indices, |
---|
[1294] | 55 | Value const * values ); |
---|
| 56 | |
---|
| 57 | /// \e |
---|
| 58 | |
---|
| 59 | /// The lower bound of a variable (column) have to be given by an |
---|
| 60 | /// extended number of type Value, i.e. a finite number of type |
---|
| 61 | /// Value or -\ref INF. |
---|
[1254] | 62 | virtual void _setColLowerBound(int i, Value value); |
---|
[1294] | 63 | /// \e |
---|
| 64 | |
---|
| 65 | /// The upper bound of a variable (column) have to be given by an |
---|
| 66 | /// extended number of type Value, i.e. a finite number of type |
---|
| 67 | /// Value or \ref INF. |
---|
[1254] | 68 | virtual void _setColUpperBound(int i, Value value); |
---|
[1294] | 69 | /// \e |
---|
| 70 | |
---|
| 71 | /// The lower bound of a linear expression (row) have to be given by an |
---|
| 72 | /// extended number of type Value, i.e. a finite number of type |
---|
| 73 | /// Value or -\ref INF. |
---|
[1254] | 74 | virtual void _setRowLowerBound(int i, Value value); |
---|
[1294] | 75 | /// \e |
---|
| 76 | |
---|
| 77 | /// The upper bound of a linear expression (row) have to be given by an |
---|
| 78 | /// extended number of type Value, i.e. a finite number of type |
---|
| 79 | /// Value or \ref INF. |
---|
[1254] | 80 | virtual void _setRowUpperBound(int i, Value value); |
---|
[1294] | 81 | |
---|
| 82 | /// \e |
---|
[1254] | 83 | virtual void _setObjCoeff(int i, Value obj_coef); |
---|
[1294] | 84 | |
---|
| 85 | ///\e |
---|
| 86 | |
---|
| 87 | ///\bug Wrong interface |
---|
| 88 | /// |
---|
[1303] | 89 | virtual SolveExitStatus _solve(); |
---|
[1294] | 90 | |
---|
| 91 | ///\e |
---|
| 92 | |
---|
| 93 | ///\bug Wrong interface |
---|
| 94 | /// |
---|
[1293] | 95 | virtual Value _getPrimal(int i); |
---|
[1294] | 96 | ///\e |
---|
| 97 | |
---|
| 98 | ///\bug Wrong interface |
---|
| 99 | /// |
---|
[1312] | 100 | virtual Value _getPrimalValue(); |
---|
| 101 | ///\e |
---|
| 102 | |
---|
| 103 | ///\bug Wrong interface |
---|
| 104 | /// |
---|
| 105 | virtual SolutionStatus _getPrimalStatus(); |
---|
| 106 | |
---|
| 107 | ///\e |
---|
| 108 | virtual void _setMax(); |
---|
| 109 | ///\e |
---|
| 110 | virtual void _setMin(); |
---|
| 111 | |
---|
[1294] | 112 | |
---|
[1273] | 113 | public: |
---|
[1313] | 114 | LpSkeleton() : LpSolverBase(), col_num(0), row_num(0) {} |
---|
[1254] | 115 | }; |
---|
| 116 | |
---|
| 117 | } //namespace lemon |
---|
| 118 | |
---|
[1313] | 119 | #endif // LEMON_LP_SKELETON |
---|