alpar@461: /* -*- mode: C++; indent-tabs-mode: nil; -*-
alpar@461:  *
alpar@461:  * This file is a part of LEMON, a generic C++ optimization library.
alpar@461:  *
alpar@461:  * Copyright (C) 2003-2008
alpar@461:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@461:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@461:  *
alpar@461:  * Permission to use, modify and distribute this software is granted
alpar@461:  * provided that this copyright notice appears in all copies. For
alpar@461:  * precise terms see the accompanying LICENSE file.
alpar@461:  *
alpar@461:  * This software is provided "AS IS" with no warranty of any kind,
alpar@461:  * express or implied, and with no claim as to its suitability for any
alpar@461:  * purpose.
alpar@461:  *
alpar@461:  */
alpar@461: 
alpar@461: #ifndef LEMON_SOPLEX_H
alpar@461: #define LEMON_SOPLEX_H
alpar@461: 
alpar@461: ///\file
alpar@461: ///\brief Header of the LEMON-SOPLEX lp solver interface.
alpar@461: 
alpar@461: #include <vector>
alpar@461: #include <string>
alpar@461: 
alpar@461: #include <lemon/lp_base.h>
alpar@461: 
alpar@461: // Forward declaration
alpar@461: namespace soplex {
alpar@461:   class SoPlex;
alpar@461: }
alpar@461: 
alpar@461: namespace lemon {
alpar@461: 
alpar@461:   /// \ingroup lp_group
alpar@461:   ///
alpar@461:   /// \brief Interface for the SOPLEX solver
alpar@461:   ///
alpar@461:   /// This class implements an interface for the SoPlex LP solver.
alpar@461:   /// The SoPlex library is an object oriented lp solver library
alpar@461:   /// developed at the Konrad-Zuse-Zentrum für Informationstechnik
alpar@461:   /// Berlin (ZIB). You can find detailed information about it at the
alpar@461:   /// <tt>http://soplex.zib.de</tt> address.
alpar@462:   class SoplexLp : public LpSolver {
alpar@461:   private:
alpar@461: 
alpar@461:     soplex::SoPlex* soplex;
alpar@461: 
alpar@461:     std::vector<std::string> _col_names;
alpar@461:     std::map<std::string, int> _col_names_ref;
alpar@461: 
alpar@461:     std::vector<std::string> _row_names;
alpar@461:     std::map<std::string, int> _row_names_ref;
alpar@461: 
alpar@461:   private:
alpar@461: 
alpar@461:     // these values cannot be retrieved element by element
alpar@461:     mutable std::vector<Value> _primal_values;
alpar@461:     mutable std::vector<Value> _dual_values;
alpar@461: 
alpar@461:     mutable std::vector<Value> _primal_ray;
alpar@461:     mutable std::vector<Value> _dual_ray;
alpar@461: 
alpar@461:     void _clear_temporals();
alpar@461: 
alpar@461:   public:
alpar@461: 
alpar@461:     /// \e
alpar@462:     SoplexLp();
alpar@461:     /// \e
alpar@462:     SoplexLp(const SoplexLp&);
alpar@461:     /// \e
alpar@462:     ~SoplexLp();
alpar@540:     /// \e
alpar@540:     virtual SoplexLp* newSolver() const;
alpar@540:     /// \e
alpar@540:     virtual SoplexLp* cloneSolver() const;
alpar@461: 
alpar@461:   protected:
alpar@461: 
alpar@461:     virtual const char* _solverName() const;
alpar@461: 
alpar@461:     virtual int _addCol();
alpar@461:     virtual int _addRow();
alpar@461: 
alpar@461:     virtual void _eraseCol(int i);
alpar@461:     virtual void _eraseRow(int i);
alpar@461: 
alpar@461:     virtual void _eraseColId(int i);
alpar@461:     virtual void _eraseRowId(int i);
alpar@461: 
alpar@461:     virtual void _getColName(int col, std::string& name) const;
alpar@461:     virtual void _setColName(int col, const std::string& name);
alpar@461:     virtual int _colByName(const std::string& name) const;
alpar@461: 
alpar@461:     virtual void _getRowName(int row, std::string& name) const;
alpar@461:     virtual void _setRowName(int row, const std::string& name);
alpar@461:     virtual int _rowByName(const std::string& name) const;
alpar@461: 
alpar@461:     virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
alpar@461:     virtual void _getRowCoeffs(int i, InsertIterator b) const;
alpar@461: 
alpar@461:     virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
alpar@461:     virtual void _getColCoeffs(int i, InsertIterator b) const;
alpar@461: 
alpar@461:     virtual void _setCoeff(int row, int col, Value value);
alpar@461:     virtual Value _getCoeff(int row, int col) const;
alpar@461: 
alpar@461:     virtual void _setColLowerBound(int i, Value value);
alpar@461:     virtual Value _getColLowerBound(int i) const;
alpar@461:     virtual void _setColUpperBound(int i, Value value);
alpar@461:     virtual Value _getColUpperBound(int i) const;
alpar@461: 
alpar@461:     virtual void _setRowLowerBound(int i, Value value);
alpar@461:     virtual Value _getRowLowerBound(int i) const;
alpar@461:     virtual void _setRowUpperBound(int i, Value value);
alpar@461:     virtual Value _getRowUpperBound(int i) const;
alpar@461: 
alpar@461:     virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
alpar@461:     virtual void _getObjCoeffs(InsertIterator b) const;
alpar@461: 
alpar@461:     virtual void _setObjCoeff(int i, Value obj_coef);
alpar@461:     virtual Value _getObjCoeff(int i) const;
alpar@461: 
alpar@461:     virtual void _setSense(Sense sense);
alpar@461:     virtual Sense _getSense() const;
alpar@461: 
alpar@461:     virtual SolveExitStatus _solve();
alpar@461:     virtual Value _getPrimal(int i) const;
alpar@461:     virtual Value _getDual(int i) const;
alpar@461: 
alpar@461:     virtual Value _getPrimalValue() const;
alpar@461: 
alpar@461:     virtual Value _getPrimalRay(int i) const;
alpar@461:     virtual Value _getDualRay(int i) const;
alpar@461: 
alpar@461:     virtual VarStatus _getColStatus(int i) const;
alpar@461:     virtual VarStatus _getRowStatus(int i) const;
alpar@461: 
alpar@461:     virtual ProblemType _getPrimalType() const;
alpar@461:     virtual ProblemType _getDualType() const;
alpar@461: 
alpar@461:     virtual void _clear();
alpar@461: 
alpar@461:   };
alpar@461: 
alpar@461: } //END OF NAMESPACE LEMON
alpar@461: 
alpar@461: #endif //LEMON_SOPLEX_H
alpar@461: