lemon/lp_cplex.h
author hegyi
Tue, 08 Apr 2008 11:39:40 +0000
changeset 2602 1c7790d9e025
parent 2391 14a343be7a5a
child 2605 852361980706
permissions -rw-r--r--
Rel.07 NEWS - 3. round
alpar@1381
     1
/* -*- C++ -*-
alpar@1381
     2
 *
alpar@1956
     3
 * This file is a part of LEMON, a generic C++ optimization library
alpar@1956
     4
 *
alpar@2553
     5
 * Copyright (C) 2003-2008
alpar@1956
     6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@1381
     7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@1381
     8
 *
alpar@1381
     9
 * Permission to use, modify and distribute this software is granted
alpar@1381
    10
 * provided that this copyright notice appears in all copies. For
alpar@1381
    11
 * precise terms see the accompanying LICENSE file.
alpar@1381
    12
 *
alpar@1381
    13
 * This software is provided "AS IS" with no warranty of any kind,
alpar@1381
    14
 * express or implied, and with no claim as to its suitability for any
alpar@1381
    15
 * purpose.
alpar@1381
    16
 *
alpar@1381
    17
 */
alpar@1381
    18
alpar@1381
    19
#ifndef LEMON_LP_CPLEX_H
alpar@1381
    20
#define LEMON_LP_CPLEX_H
alpar@1381
    21
alpar@1381
    22
///\file
alpar@1381
    23
///\brief Header of the LEMON-CPLEX lp solver interface.
alpar@1381
    24
alpar@1381
    25
#include <lemon/lp_base.h>
alpar@1398
    26
alpar@1381
    27
extern "C" {
alpar@1381
    28
#include <ilcplex/cplex.h>
alpar@1381
    29
}
alpar@1381
    30
alpar@1381
    31
namespace lemon {
alpar@1381
    32
alpar@1381
    33
alpar@1398
    34
  /// \brief Interface for the CPLEX solver
alpar@1381
    35
  /// 
alpar@1398
    36
  /// This class implements an interface for the CPLEX LP solver.
athos@2218
    37
  class LpCplex :virtual public LpSolverBase {
alpar@1381
    38
alpar@1381
    39
  public:
alpar@1381
    40
alpar@1381
    41
    typedef LpSolverBase Parent;
alpar@1381
    42
    
alpar@1381
    43
    /// \e
alpar@1381
    44
    int status;
alpar@1381
    45
    CPXENVptr env;
alpar@1381
    46
    CPXLPptr lp;
alpar@1381
    47
alpar@1381
    48
alpar@1381
    49
    /// \e
alpar@1381
    50
    LpCplex();
alpar@1381
    51
    /// \e
alpar@1381
    52
    ~LpCplex();
alpar@1381
    53
alpar@1381
    54
  protected:
alpar@1381
    55
    virtual LpSolverBase &_newLp();
alpar@1381
    56
    virtual LpSolverBase &_copyLp();
alpar@1381
    57
athos@2361
    58
alpar@1381
    59
    virtual int _addCol();
alpar@1381
    60
    virtual int _addRow();
athos@1432
    61
    virtual void _eraseCol(int i);
athos@1432
    62
    virtual void _eraseRow(int i);
deba@2366
    63
    virtual void _getColName(int col, std::string & name) const;
alpar@1895
    64
    virtual void _setColName(int col, const std::string & name);
deba@2366
    65
    virtual int _colByName(const std::string& name) const;
deba@2364
    66
    virtual void _setRowCoeffs(int i, ConstRowIterator b, ConstRowIterator e);
deba@2366
    67
    virtual void _getRowCoeffs(int i, RowIterator b) const;
deba@2364
    68
    virtual void _setColCoeffs(int i, ConstColIterator b, ConstColIterator e);
deba@2366
    69
    virtual void _getColCoeffs(int i, ColIterator b) const;
athos@1431
    70
    virtual void _setCoeff(int row, int col, Value value);
deba@2366
    71
    virtual Value _getCoeff(int row, int col) const;
athos@2361
    72
alpar@1381
    73
    virtual void _setColLowerBound(int i, Value value);
deba@2366
    74
    virtual Value _getColLowerBound(int i) const;
alpar@1381
    75
    virtual void _setColUpperBound(int i, Value value);
deba@2366
    76
    virtual Value _getColUpperBound(int i) const;
athos@2361
    77
athos@1405
    78
//     virtual void _setRowLowerBound(int i, Value value);
athos@1405
    79
//     virtual void _setRowUpperBound(int i, Value value);
alpar@1381
    80
    virtual void _setRowBounds(int i, Value lower, Value upper);
deba@2366
    81
    virtual void _getRowBounds(int i, Value &lb, Value &ub) const;
alpar@1381
    82
    virtual void _setObjCoeff(int i, Value obj_coef);
deba@2366
    83
    virtual Value _getObjCoeff(int i) const;
alpar@1381
    84
    virtual void _clearObj();
athos@2361
    85
alpar@1381
    86
    
alpar@1381
    87
    virtual SolveExitStatus _solve();
deba@2366
    88
    virtual Value _getPrimal(int i) const;
deba@2366
    89
    virtual Value _getDual(int i) const;
deba@2366
    90
    virtual Value _getPrimalValue() const;
deba@2366
    91
    virtual bool _isBasicCol(int i) const;
alpar@1381
    92
    
deba@2366
    93
    virtual SolutionStatus _getPrimalStatus() const;
deba@2366
    94
    virtual SolutionStatus _getDualStatus() const;
deba@2366
    95
    virtual ProblemTypes _getProblemType() const;
alpar@1381
    96
alpar@1381
    97
    
alpar@1381
    98
    virtual void _setMax();
alpar@1381
    99
    virtual void _setMin();
alpar@1381
   100
deba@2366
   101
    virtual bool _isMax() const;
athos@2361
   102
alpar@1381
   103
  };
alpar@1381
   104
} //END OF NAMESPACE LEMON
alpar@1381
   105
alpar@1381
   106
#endif //LEMON_LP_CPLEX_H
alpar@1381
   107