alpar@1381: /* -*- C++ -*-
alpar@1381:  *
alpar@1956:  * This file is a part of LEMON, a generic C++ optimization library
alpar@1956:  *
alpar@1956:  * Copyright (C) 2003-2006
alpar@1956:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@1381:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@1381:  *
alpar@1381:  * Permission to use, modify and distribute this software is granted
alpar@1381:  * provided that this copyright notice appears in all copies. For
alpar@1381:  * precise terms see the accompanying LICENSE file.
alpar@1381:  *
alpar@1381:  * This software is provided "AS IS" with no warranty of any kind,
alpar@1381:  * express or implied, and with no claim as to its suitability for any
alpar@1381:  * purpose.
alpar@1381:  *
alpar@1381:  */
alpar@1381: 
alpar@1381: #ifndef LEMON_LP_CPLEX_H
alpar@1381: #define LEMON_LP_CPLEX_H
alpar@1381: 
alpar@1381: ///\file
alpar@1381: ///\brief Header of the LEMON-CPLEX lp solver interface.
alpar@1381: 
alpar@1381: #include <lemon/lp_base.h>
alpar@1398: 
alpar@1381: extern "C" {
alpar@1381: #include <ilcplex/cplex.h>
alpar@1381: }
alpar@1381: 
alpar@1381: namespace lemon {
alpar@1381: 
alpar@1381: 
alpar@1398:   /// \brief Interface for the CPLEX solver
alpar@1381:   /// 
alpar@1398:   /// This class implements an interface for the CPLEX LP solver.
athos@2218:   class LpCplex :virtual public LpSolverBase {
alpar@1381: 
alpar@1381:   public:
alpar@1381: 
alpar@1381:     typedef LpSolverBase Parent;
alpar@1381:     
alpar@1381:     /// \e
alpar@1381:     int status;
alpar@1381:     CPXENVptr env;
alpar@1381:     CPXLPptr lp;
alpar@1381: 
alpar@1381: 
alpar@1381:     /// \e
alpar@1381:     LpCplex();
alpar@1381:     /// \e
alpar@1381:     ~LpCplex();
alpar@1381: 
alpar@1381:   protected:
alpar@1381:     virtual LpSolverBase &_newLp();
alpar@1381:     virtual LpSolverBase &_copyLp();
alpar@1381: 
athos@2361: 
alpar@1381:     virtual int _addCol();
alpar@1381:     virtual int _addRow();
athos@1432:     virtual void _eraseCol(int i);
athos@1432:     virtual void _eraseRow(int i);
deba@2366:     virtual void _getColName(int col, std::string & name) const;
alpar@1895:     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;
athos@1431:     virtual void _setCoeff(int row, int col, Value value);
deba@2366:     virtual Value _getCoeff(int row, int col) const;
athos@2361: 
alpar@1381:     virtual void _setColLowerBound(int i, Value value);
deba@2366:     virtual Value _getColLowerBound(int i) const;
alpar@1381:     virtual void _setColUpperBound(int i, Value value);
deba@2366:     virtual Value _getColUpperBound(int i) const;
athos@2361: 
athos@1405: //     virtual void _setRowLowerBound(int i, Value value);
athos@1405: //     virtual void _setRowUpperBound(int i, Value value);
alpar@1381:     virtual void _setRowBounds(int i, Value lower, Value upper);
deba@2366:     virtual void _getRowBounds(int i, Value &lb, Value &ub) const;
alpar@1381:     virtual void _setObjCoeff(int i, Value obj_coef);
deba@2366:     virtual Value _getObjCoeff(int i) const;
alpar@1381:     virtual void _clearObj();
athos@2361: 
alpar@1381:     
alpar@1381:     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;
alpar@1381:     
deba@2366:     virtual SolutionStatus _getPrimalStatus() const;
deba@2366:     virtual SolutionStatus _getDualStatus() const;
deba@2366:     virtual ProblemTypes _getProblemType() const;
alpar@1381: 
alpar@1381:     
alpar@1381:     virtual void _setMax();
alpar@1381:     virtual void _setMin();
alpar@1381: 
deba@2366:     virtual bool _isMax() const;
athos@2361: 
alpar@1381:   };
alpar@1381: } //END OF NAMESPACE LEMON
alpar@1381: 
alpar@1381: #endif //LEMON_LP_CPLEX_H
alpar@1381: