deba@458: /* -*- mode: C++; indent-tabs-mode: nil; -*-
deba@458:  *
deba@458:  * This file is a part of LEMON, a generic C++ optimization library.
deba@458:  *
deba@458:  * Copyright (C) 2003-2008
deba@458:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@458:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@458:  *
deba@458:  * Permission to use, modify and distribute this software is granted
deba@458:  * provided that this copyright notice appears in all copies. For
deba@458:  * precise terms see the accompanying LICENSE file.
deba@458:  *
deba@458:  * This software is provided "AS IS" with no warranty of any kind,
deba@458:  * express or implied, and with no claim as to its suitability for any
deba@458:  * purpose.
deba@458:  *
deba@458:  */
deba@458: 
deba@458: #ifndef LEMON_LP_SOPLEX_H
deba@458: #define LEMON_LP_SOPLEX_H
deba@458: 
deba@458: ///\file
deba@458: ///\brief Header of the LEMON-SOPLEX lp solver interface.
deba@458: 
deba@458: #include <vector>
deba@458: #include <string>
deba@458: 
deba@458: #include <lemon/lp_base.h>
deba@458: 
deba@458: // Forward declaration
deba@458: namespace soplex {
deba@458:   class SoPlex;
deba@458: }
deba@458: 
deba@458: namespace lemon {
deba@458: 
deba@458:   /// \ingroup lp_group
deba@458:   ///
deba@458:   /// \brief Interface for the SOPLEX solver
deba@458:   ///
deba@458:   /// This class implements an interface for the SoPlex LP solver.
deba@458:   /// The SoPlex library is an object oriented lp solver library
deba@458:   /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
deba@458:   /// Berlin (ZIB). You can find detailed information about it at the
deba@458:   /// <tt>http://soplex.zib.de</tt> address.
deba@458:   class LpSoplex :virtual public LpSolverBase {
deba@458:   protected:
deba@458: 
deba@458:     _lp_bits::RelocateIdHandler relocateIdHandler;
deba@458: 
deba@458:     soplex::SoPlex* soplex;
deba@458:     bool solved;
deba@458: 
deba@458:     std::vector<std::string> colNames;
deba@458:     std::map<std::string, int> invColNames;
deba@458: 
deba@458:     std::vector<Value> primal_value;
deba@458:     std::vector<Value> dual_value;
deba@458: 
deba@458: 
deba@458:   public:
deba@458: 
deba@458:     typedef LpSolverBase Parent;
deba@458: 
deba@458: 
deba@458:     /// \e
deba@458:     LpSoplex();
deba@458:     /// \e
deba@458:     LpSoplex(const LpSoplex&);
deba@458:     /// \e
deba@458:     ~LpSoplex();
deba@458: 
deba@458:   protected:
deba@458: 
deba@458:     virtual LpSolverBase* _newLp();
deba@458:     virtual LpSolverBase* _copyLp();
deba@458: 
deba@458:     virtual int _addCol();
deba@458:     virtual int _addRow();
deba@458:     virtual void _eraseCol(int i);
deba@458:     virtual void _eraseRow(int i);
deba@458:     virtual void _getColName(int col, std::string & name) const;
deba@458:     virtual void _setColName(int col, const std::string & name);
deba@458:     virtual int _colByName(const std::string& name) const;
deba@458:     virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
deba@458:     virtual void _getRowCoeffs(int i, RowIterator b) const;
deba@458:     virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
deba@458:     virtual void _getColCoeffs(int i, ColIterator b) const;
deba@458:     virtual void _setCoeff(int row, int col, Value value);
deba@458:     virtual Value _getCoeff(int row, int col) const;
deba@458:     virtual void _setColLowerBound(int i, Value value);
deba@458:     virtual Value _getColLowerBound(int i) const;
deba@458:     virtual void _setColUpperBound(int i, Value value);
deba@458:     virtual Value _getColUpperBound(int i) const;
deba@458:     virtual void _setRowBounds(int i, Value lower, Value upper);
deba@458:     virtual void _getRowBounds(int i, Value &lower, Value &upper) const;
deba@458:     virtual void _setObjCoeff(int i, Value obj_coef);
deba@458:     virtual Value _getObjCoeff(int i) const;
deba@458:     virtual void _clearObj();
deba@458: 
deba@458:     virtual SolveExitStatus _solve();
deba@458:     virtual Value _getPrimal(int i) const;
deba@458:     virtual Value _getDual(int i) const;
deba@458:     virtual Value _getPrimalValue() const;
deba@458:     virtual bool _isBasicCol(int i) const;
deba@458: 
deba@458:     virtual SolutionStatus _getPrimalStatus() const;
deba@458:     virtual SolutionStatus _getDualStatus() const;
deba@458:     virtual ProblemTypes _getProblemType() const;
deba@458: 
deba@458: 
deba@458:     virtual void _setMax();
deba@458:     virtual void _setMin();
deba@458:     virtual bool _isMax() const;
deba@458: 
deba@458:   };
deba@458: } //END OF NAMESPACE LEMON
deba@458: 
deba@458: #endif //LEMON_LP_SOPLEX_H
deba@458: