lemon-0.x: lemon/lp_cplex.h@e4f8367beb41

     1 /* -*- C++ -*-

     2  *

     3  * This file is a part of LEMON, a generic C++ optimization library

     4  *

     5  * Copyright (C) 2003-2007

     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).

     8  *

     9  * Permission to use, modify and distribute this software is granted

    10  * provided that this copyright notice appears in all copies. For

    11  * precise terms see the accompanying LICENSE file.

    12  *

    13  * This software is provided "AS IS" with no warranty of any kind,

    14  * express or implied, and with no claim as to its suitability for any

    15  * purpose.

    16  *

    17  */

    19 #ifndef LEMON_LP_CPLEX_H

    20 #define LEMON_LP_CPLEX_H

    22 ///\file

    23 ///\brief Header of the LEMON-CPLEX lp solver interface.

    25 #include <lemon/lp_base.h>

    27 extern "C" {

    28 #include <ilcplex/cplex.h>

    29 }

    31 namespace lemon {

    34   /// \brief Interface for the CPLEX solver

    35   ///

    36   /// This class implements an interface for the CPLEX LP solver.

    37   class LpCplex :virtual public LpSolverBase {

    39   public:

    41     typedef LpSolverBase Parent;

    43     /// \e

    44     int status;

    45     CPXENVptr env;

    46     CPXLPptr lp;

    49     /// \e

    50     LpCplex();

    51     /// \e

    52     ~LpCplex();

    54   protected:

    55     virtual LpSolverBase &_newLp();

    56     virtual LpSolverBase &_copyLp();

    59     virtual int _addCol();

    60     virtual int _addRow();

    61     virtual void _eraseCol(int i);

    62     virtual void _eraseRow(int i);

    63     virtual void _getColName(int col, std::string & name) const;

    64     virtual void _setColName(int col, const std::string & name);

    65     virtual int _colByName(const std::string& name) const;

    66     virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);

    67     virtual void _getRowCoeffs(int i, RowIterator b) const;

    68     virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);

    69     virtual void _getColCoeffs(int i, ColIterator b) const;

    70     virtual void _setCoeff(int row, int col, Value value);

    71     virtual Value _getCoeff(int row, int col) const;

    73     virtual void _setColLowerBound(int i, Value value);

    74     virtual Value _getColLowerBound(int i) const;

    75     virtual void _setColUpperBound(int i, Value value);

    76     virtual Value _getColUpperBound(int i) const;

    78 //     virtual void _setRowLowerBound(int i, Value value);

    79 //     virtual void _setRowUpperBound(int i, Value value);

    80     virtual void _setRowBounds(int i, Value lower, Value upper);

    81     virtual void _getRowBounds(int i, Value &lb, Value &ub) const;

    82     virtual void _setObjCoeff(int i, Value obj_coef);

    83     virtual Value _getObjCoeff(int i) const;

    84     virtual void _clearObj();

    87     virtual SolveExitStatus _solve();

    88     virtual Value _getPrimal(int i) const;

    89     virtual Value _getDual(int i) const;

    90     virtual Value _getPrimalValue() const;

    91     virtual bool _isBasicCol(int i) const;

    93     virtual SolutionStatus _getPrimalStatus() const;

    94     virtual SolutionStatus _getDualStatus() const;

    95     virtual ProblemTypes _getProblemType() const;

    98     virtual void _setMax();

    99     virtual void _setMin();

   101     virtual bool _isMax() const;

   103   };

   104 } //END OF NAMESPACE LEMON

   106 #endif //LEMON_LP_CPLEX_H

author	ladanyi
	Sat, 13 Oct 2007 08:48:07 +0000
changeset 2495	e4f8367beb41
parent 2366	bfbdded3763a
child 2553	bfced05fa852
permissions	-rw-r--r--