1.1 --- a/lemon/lp_soplex.h Mon Jan 12 12:25:55 2009 +0000
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,151 +0,0 @@
1.4 -/* -*- mode: C++; indent-tabs-mode: nil; -*-
1.5 - *
1.6 - * This file is a part of LEMON, a generic C++ optimization library.
1.7 - *
1.8 - * Copyright (C) 2003-2008
1.9 - * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
1.10 - * (Egervary Research Group on Combinatorial Optimization, EGRES).
1.11 - *
1.12 - * Permission to use, modify and distribute this software is granted
1.13 - * provided that this copyright notice appears in all copies. For
1.14 - * precise terms see the accompanying LICENSE file.
1.15 - *
1.16 - * This software is provided "AS IS" with no warranty of any kind,
1.17 - * express or implied, and with no claim as to its suitability for any
1.18 - * purpose.
1.19 - *
1.20 - */
1.21 -
1.22 -#ifndef LEMON_LP_SOPLEX_H
1.23 -#define LEMON_LP_SOPLEX_H
1.24 -
1.25 -///\file
1.26 -///\brief Header of the LEMON-SOPLEX lp solver interface.
1.27 -
1.28 -#include <vector>
1.29 -#include <string>
1.30 -
1.31 -#include <lemon/lp_base.h>
1.32 -
1.33 -// Forward declaration
1.34 -namespace soplex {
1.35 - class SoPlex;
1.36 -}
1.37 -
1.38 -namespace lemon {
1.39 -
1.40 - /// \ingroup lp_group
1.41 - ///
1.42 - /// \brief Interface for the SOPLEX solver
1.43 - ///
1.44 - /// This class implements an interface for the SoPlex LP solver.
1.45 - /// The SoPlex library is an object oriented lp solver library
1.46 - /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
1.47 - /// Berlin (ZIB). You can find detailed information about it at the
1.48 - /// <tt>http://soplex.zib.de</tt> address.
1.49 - class LpSoplex : public LpSolver {
1.50 - private:
1.51 -
1.52 - soplex::SoPlex* soplex;
1.53 -
1.54 - std::vector<std::string> _col_names;
1.55 - std::map<std::string, int> _col_names_ref;
1.56 -
1.57 - std::vector<std::string> _row_names;
1.58 - std::map<std::string, int> _row_names_ref;
1.59 -
1.60 - private:
1.61 -
1.62 - // these values cannot be retrieved element by element
1.63 - mutable std::vector<Value> _primal_values;
1.64 - mutable std::vector<Value> _dual_values;
1.65 -
1.66 - mutable std::vector<Value> _primal_ray;
1.67 - mutable std::vector<Value> _dual_ray;
1.68 -
1.69 - void _clear_temporals();
1.70 -
1.71 - public:
1.72 -
1.73 - /// \e
1.74 - LpSoplex();
1.75 - /// \e
1.76 - LpSoplex(const LpSoplex&);
1.77 - /// \e
1.78 - ~LpSoplex();
1.79 -
1.80 - protected:
1.81 -
1.82 - virtual LpSoplex* _newSolver() const;
1.83 - virtual LpSoplex* _cloneSolver() const;
1.84 -
1.85 - virtual const char* _solverName() const;
1.86 -
1.87 - virtual int _addCol();
1.88 - virtual int _addRow();
1.89 -
1.90 - virtual void _eraseCol(int i);
1.91 - virtual void _eraseRow(int i);
1.92 -
1.93 - virtual void _eraseColId(int i);
1.94 - virtual void _eraseRowId(int i);
1.95 -
1.96 - virtual void _getColName(int col, std::string& name) const;
1.97 - virtual void _setColName(int col, const std::string& name);
1.98 - virtual int _colByName(const std::string& name) const;
1.99 -
1.100 - virtual void _getRowName(int row, std::string& name) const;
1.101 - virtual void _setRowName(int row, const std::string& name);
1.102 - virtual int _rowByName(const std::string& name) const;
1.103 -
1.104 - virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
1.105 - virtual void _getRowCoeffs(int i, InsertIterator b) const;
1.106 -
1.107 - virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
1.108 - virtual void _getColCoeffs(int i, InsertIterator b) const;
1.109 -
1.110 - virtual void _setCoeff(int row, int col, Value value);
1.111 - virtual Value _getCoeff(int row, int col) const;
1.112 -
1.113 - virtual void _setColLowerBound(int i, Value value);
1.114 - virtual Value _getColLowerBound(int i) const;
1.115 - virtual void _setColUpperBound(int i, Value value);
1.116 - virtual Value _getColUpperBound(int i) const;
1.117 -
1.118 - virtual void _setRowLowerBound(int i, Value value);
1.119 - virtual Value _getRowLowerBound(int i) const;
1.120 - virtual void _setRowUpperBound(int i, Value value);
1.121 - virtual Value _getRowUpperBound(int i) const;
1.122 -
1.123 - virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
1.124 - virtual void _getObjCoeffs(InsertIterator b) const;
1.125 -
1.126 - virtual void _setObjCoeff(int i, Value obj_coef);
1.127 - virtual Value _getObjCoeff(int i) const;
1.128 -
1.129 - virtual void _setSense(Sense sense);
1.130 - virtual Sense _getSense() const;
1.131 -
1.132 - virtual SolveExitStatus _solve();
1.133 - virtual Value _getPrimal(int i) const;
1.134 - virtual Value _getDual(int i) const;
1.135 -
1.136 - virtual Value _getPrimalValue() const;
1.137 -
1.138 - virtual Value _getPrimalRay(int i) const;
1.139 - virtual Value _getDualRay(int i) const;
1.140 -
1.141 - virtual VarStatus _getColStatus(int i) const;
1.142 - virtual VarStatus _getRowStatus(int i) const;
1.143 -
1.144 - virtual ProblemType _getPrimalType() const;
1.145 - virtual ProblemType _getDualType() const;
1.146 -
1.147 - virtual void _clear();
1.148 -
1.149 - };
1.150 -
1.151 -} //END OF NAMESPACE LEMON
1.152 -
1.153 -#endif //LEMON_LP_SOPLEX_H
1.154 -