diff -r 07e46cbb7d85 -r d9daf826e28a lemon/lp_soplex.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/lemon/lp_soplex.h Wed Nov 29 17:30:21 2006 +0000 @@ -0,0 +1,99 @@ +/* -*- C++ -*- + * + * This file is a part of LEMON, a generic C++ optimization library + * + * Copyright (C) 2003-2006 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport + * (Egervary Research Group on Combinatorial Optimization, EGRES). + * + * Permission to use, modify and distribute this software is granted + * provided that this copyright notice appears in all copies. For + * precise terms see the accompanying LICENSE file. + * + * This software is provided "AS IS" with no warranty of any kind, + * express or implied, and with no claim as to its suitability for any + * purpose. + * + */ + +#ifndef LEMON_LP_SOPLEX_H +#define LEMON_LP_SOPLEX_H + +///\file +///\brief Header of the LEMON-SOPLEX lp solver interface. + +#include +#include + +#include + +// Forward declaration +namespace soplex { + class SoPlex; +} + +namespace lemon { + + /// \brief Interface for the SOPLEX solver + /// + /// This class implements an interface for the SOPLEX LP solver. + class LpSoplex :virtual public LpSolverBase { + protected: + + soplex::SoPlex* soplex; + + std::vector colNames; + + std::vector primal; + std::vector dual; + + + public: + + typedef LpSolverBase Parent; + + + /// \e + LpSoplex(); + /// \e + ~LpSoplex(); + + protected: + + virtual LpSolverBase &_newLp(); + virtual LpSolverBase &_copyLp(); + + virtual int _addCol(); + virtual int _addRow(); + virtual void _eraseCol(int i); + virtual void _eraseRow(int i); + virtual void _getColName(int col, std::string & name); + virtual void _setColName(int col, const std::string & name); + virtual void _setRowCoeffs(int i, LpRowIterator b, LpRowIterator e); + virtual void _setColCoeffs(int i, LpColIterator b, LpColIterator e); + virtual void _setCoeff(int row, int col, Value value); + virtual void _setColLowerBound(int i, Value value); + virtual void _setColUpperBound(int i, Value value); + virtual void _setRowBounds(int i, Value lower, Value upper); + virtual void _setObjCoeff(int i, Value obj_coef); + virtual void _clearObj(); + + virtual SolveExitStatus _solve(); + virtual Value _getPrimal(int i); + virtual Value _getDual(int i); + virtual Value _getPrimalValue(); + virtual bool _isBasicCol(int i); + + virtual SolutionStatus _getPrimalStatus(); + virtual SolutionStatus _getDualStatus(); + virtual ProblemTypes _getProblemType(); + + + virtual void _setMax(); + virtual void _setMin(); + + }; +} //END OF NAMESPACE LEMON + +#endif //LEMON_LP_SOPLEX_H +