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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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*
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* This file is a part of LEMON, a generic C++ optimization library.
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*
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* Copyright (C) 2003-2008
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* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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* (Egervary Research Group on Combinatorial Optimization, EGRES).
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*
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* Permission to use, modify and distribute this software is granted
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* provided that this copyright notice appears in all copies. For
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* precise terms see the accompanying LICENSE file.
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*
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* This software is provided "AS IS" with no warranty of any kind,
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* express or implied, and with no claim as to its suitability for any
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* purpose.
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*
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*/
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#ifndef LEMON_LP_CPLEX_H
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#define LEMON_LP_CPLEX_H
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///\file
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///\brief Header of the LEMON-CPLEX lp solver interface.
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#include <lemon/lp_base.h>
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struct cpxenv;
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struct cpxlp;
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namespace lemon {
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/// \brief Interface for the CPLEX solver
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///
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/// This class implements an interface for the CPLEX LP solver.
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class LpCplex :virtual public LpSolverBase {
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public:
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typedef LpSolverBase Parent;
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/// \e
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int status;
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cpxenv* env;
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cpxlp* lp;
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/// \e
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LpCplex();
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/// \e
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LpCplex(const LpCplex&);
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/// \e
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~LpCplex();
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protected:
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virtual LpSolverBase* _newLp();
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virtual LpSolverBase* _copyLp();
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virtual int _addCol();
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virtual int _addRow();
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virtual void _eraseCol(int i);
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virtual void _eraseRow(int i);
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virtual void _getColName(int col, std::string & name) const;
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virtual void _setColName(int col, const std::string & name);
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virtual int _colByName(const std::string& name) const;
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virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
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virtual void _getRowCoeffs(int i, RowIterator b) const;
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virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
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virtual void _getColCoeffs(int i, ColIterator b) const;
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virtual void _setCoeff(int row, int col, Value value);
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virtual Value _getCoeff(int row, int col) const;
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virtual void _setColLowerBound(int i, Value value);
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virtual Value _getColLowerBound(int i) const;
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virtual void _setColUpperBound(int i, Value value);
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virtual Value _getColUpperBound(int i) const;
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// virtual void _setRowLowerBound(int i, Value value);
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// virtual void _setRowUpperBound(int i, Value value);
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virtual void _setRowBounds(int i, Value lower, Value upper);
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virtual void _getRowBounds(int i, Value &lb, Value &ub) const;
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virtual void _setObjCoeff(int i, Value obj_coef);
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virtual Value _getObjCoeff(int i) const;
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virtual void _clearObj();
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virtual SolveExitStatus _solve();
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virtual Value _getPrimal(int i) const;
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virtual Value _getDual(int i) const;
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virtual Value _getPrimalValue() const;
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virtual bool _isBasicCol(int i) const;
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virtual SolutionStatus _getPrimalStatus() const;
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virtual SolutionStatus _getDualStatus() const;
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virtual ProblemTypes _getProblemType() const;
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virtual void _setMax();
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virtual void _setMin();
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virtual bool _isMax() const;
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public:
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cpxenv* cplexEnv() { return env; }
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cpxlp* cplexLp() { return lp; }
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};
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} //END OF NAMESPACE LEMON
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#endif //LEMON_LP_CPLEX_H
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