lemon-0.x: lemon/lp_cplex.h@f2ef1aa8189a

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

     2  *

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

     4  *

     5  * Copyright (C) 2003-2006

     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);

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

    65     virtual void _setRowCoeffs(int i, LpRowIterator b, LpRowIterator e);

    66     virtual void _setColCoeffs(int i, LpColIterator b, LpColIterator e);

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

    68     virtual Value _getCoeff(int row, int col);

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

    71     virtual Value _getColLowerBound(int i);

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

    73     virtual Value _getColUpperBound(int i);

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

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

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

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

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

    80     virtual Value _getObjCoeff(int i);

    81     virtual void _clearObj();

    84     virtual SolveExitStatus _solve();

    85     virtual Value _getPrimal(int i);

    86     virtual Value _getDual(int i);

    87     virtual Value _getPrimalValue();

    88     virtual bool _isBasicCol(int i);

    90     virtual SolutionStatus _getPrimalStatus();

    91     virtual SolutionStatus _getDualStatus();

    92     virtual ProblemTypes _getProblemType();

    95     virtual void _setMax();

    96     virtual void _setMin();

    98     virtual bool _isMax();

   100   };

   101 } //END OF NAMESPACE LEMON

   103 #endif //LEMON_LP_CPLEX_H

author	athos
	Wed, 14 Feb 2007 13:50:25 +0000
changeset 2361	f2ef1aa8189a
parent 2312	07e46cbb7d85
child 2364	3a5e67bd42d2
permissions	-rw-r--r--