deba@2313: /* -*- C++ -*-
deba@2313:  *
deba@2313:  * This file is a part of LEMON, a generic C++ optimization library
deba@2313:  *
deba@2313:  * Copyright (C) 2003-2006
deba@2313:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
deba@2313:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
deba@2313:  *
deba@2313:  * Permission to use, modify and distribute this software is granted
deba@2313:  * provided that this copyright notice appears in all copies. For
deba@2313:  * precise terms see the accompanying LICENSE file.
deba@2313:  *
deba@2313:  * This software is provided "AS IS" with no warranty of any kind,
deba@2313:  * express or implied, and with no claim as to its suitability for any
deba@2313:  * purpose.
deba@2313:  *
deba@2313:  */
deba@2313: 
deba@2313: #ifndef LEMON_LP_SOPLEX_H
deba@2313: #define LEMON_LP_SOPLEX_H
deba@2313: 
deba@2313: ///\file
deba@2313: ///\brief Header of the LEMON-SOPLEX lp solver interface.
deba@2313: 
deba@2313: #include <vector>
deba@2313: #include <string>
deba@2313: 
deba@2313: #include <lemon/lp_base.h>
deba@2313: 
deba@2313: // Forward declaration
deba@2313: namespace soplex {
deba@2313:   class SoPlex;
deba@2313: }
deba@2313: 
deba@2313: namespace lemon {
deba@2313: 
deba@2366:   /// \ingroup gen_opt_group
deba@2366:   ///
deba@2313:   /// \brief Interface for the SOPLEX solver
deba@2313:   /// 
deba@2366:   /// This class implements an interface for the SoPlex LP solver.
deba@2366:   /// The SoPlex library is an object oriented lp solver library
deba@2366:   /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
deba@2366:   /// Berlin (ZIB). You can find detailed information about it at the
deba@2366:   /// <tt>http://soplex.zib.de</tt> address.
deba@2313:   class LpSoplex :virtual public LpSolverBase {
deba@2313:   protected:
deba@2313: 
deba@2363:     _lp_bits::RelocateIdHandler relocateIdHandler;
deba@2363: 
deba@2313:     soplex::SoPlex* soplex;
deba@2363:     bool solved;
deba@2313: 
deba@2313:     std::vector<std::string> colNames;
deba@2366:     std::map<std::string, int> invColNames;
deba@2313: 
deba@2363:     std::vector<Value> primal_value;
deba@2363:     std::vector<Value> dual_value;
deba@2313: 
deba@2313: 
deba@2313:   public:
deba@2313: 
deba@2313:     typedef LpSolverBase Parent;
deba@2313:     
deba@2313: 
deba@2313:     /// \e
deba@2313:     LpSoplex();
deba@2313:     /// \e
deba@2313:     ~LpSoplex();
deba@2313: 
deba@2313:   protected:
deba@2313: 
deba@2313:     virtual LpSolverBase &_newLp();
deba@2313:     virtual LpSolverBase &_copyLp();
deba@2313: 
deba@2313:     virtual int _addCol();
deba@2313:     virtual int _addRow();
deba@2313:     virtual void _eraseCol(int i);
deba@2313:     virtual void _eraseRow(int i);
deba@2366:     virtual void _getColName(int col, std::string & name) const;
deba@2313:     virtual void _setColName(int col, const std::string & name);
deba@2366:     virtual int _colByName(const std::string& name) const;
deba@2364:     virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
deba@2366:     virtual void _getRowCoeffs(int i, RowIterator b) const;
deba@2364:     virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
deba@2366:     virtual void _getColCoeffs(int i, ColIterator b) const;
deba@2313:     virtual void _setCoeff(int row, int col, Value value);
deba@2366:     virtual Value _getCoeff(int row, int col) const;
deba@2313:     virtual void _setColLowerBound(int i, Value value);
deba@2366:     virtual Value _getColLowerBound(int i) const;
deba@2313:     virtual void _setColUpperBound(int i, Value value);
deba@2366:     virtual Value _getColUpperBound(int i) const;
deba@2313:     virtual void _setRowBounds(int i, Value lower, Value upper);
deba@2366:     virtual void _getRowBounds(int i, Value &lower, Value &upper) const;
deba@2313:     virtual void _setObjCoeff(int i, Value obj_coef);
deba@2366:     virtual Value _getObjCoeff(int i) const;
deba@2313:     virtual void _clearObj();
deba@2313:     
deba@2313:     virtual SolveExitStatus _solve();
deba@2366:     virtual Value _getPrimal(int i) const;
deba@2366:     virtual Value _getDual(int i) const;
deba@2366:     virtual Value _getPrimalValue() const;
deba@2366:     virtual bool _isBasicCol(int i) const;
deba@2313:     
deba@2366:     virtual SolutionStatus _getPrimalStatus() const;
deba@2366:     virtual SolutionStatus _getDualStatus() const;
deba@2366:     virtual ProblemTypes _getProblemType() const;
deba@2313: 
deba@2313:     
deba@2313:     virtual void _setMax();
deba@2313:     virtual void _setMin();
deba@2366:     virtual bool _isMax() const;
deba@2313: 
deba@2313:   };
deba@2313: } //END OF NAMESPACE LEMON
deba@2313: 
deba@2313: #endif //LEMON_LP_SOPLEX_H
deba@2313: