lemon-0.x: lemon/lp_cplex.h@5f87111056b8

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

     2  * lemon/lp_cplex.h - Part of LEMON, a generic C++ optimization library

     3  *

     4  * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

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

     6  *

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

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

     9  * precise terms see the accompanying LICENSE file.

    10  *

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

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

    13  * purpose.

    14  *

    15  */

    17 #ifndef LEMON_LP_CPLEX_H

    18 #define LEMON_LP_CPLEX_H

    20 ///\file

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

    23 #include <lemon/lp_base.h>

    25 extern "C" {

    26 #include <ilcplex/cplex.h>

    27 }

    29 namespace lemon {

    32   /// \brief Interface for the CPLEX solver

    33   ///

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

    35   class LpCplex : public LpSolverBase {

    37   public:

    39     typedef LpSolverBase Parent;

    41     /// \e

    42     int status;

    43     CPXENVptr env;

    44     CPXLPptr lp;

    47     /// \e

    48     LpCplex();

    49     /// \e

    50     ~LpCplex();

    52   protected:

    53     virtual LpSolverBase &_newLp();

    54     virtual LpSolverBase &_copyLp();

    56     virtual int _addCol();

    57     virtual int _addRow();

    58     virtual void _eraseCol(int i);

    59     virtual void _eraseRow(int i);

    60     virtual void _setRowCoeffs(int i,

    61 			       int length,

    62                                const int   * indices,

    63                                const Value   * values );

    64     virtual void _setColCoeffs(int i,

    65 			       int length,

    66                                const int   * indices,

    67                                const Value   * values);

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

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

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

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

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

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

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

    75     virtual void _clearObj();

    76     ///\e

    78     virtual SolveExitStatus _solve();

    80     virtual Value _getPrimal(int i);

    83     virtual Value _getPrimalValue();

    85     virtual SolutionStatus _getPrimalStatus();

    86     virtual SolutionStatus _getDualStatus();

    87     virtual ProblemTypes _getProblemType();

    90     virtual void _setMax();

    91     virtual void _setMin();

    93   };

    94 } //END OF NAMESPACE LEMON

    96 #endif //LEMON_LP_CPLEX_H

author	hegyi
	Tue, 14 Jun 2005 16:56:37 +0000
changeset 1486	5f87111056b8
parent 1435	8e85e6bbefdf
child 1787	932b8490caf0
permissions	-rw-r--r--