1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/lemon/lp_skeleton.h	Thu Apr 07 06:38:56 2005 +0000
     1.3 @@ -0,0 +1,115 @@
     1.4 +/* -*- C++ -*-
     1.5 + * src/lemon/lp_skeleton.h
     1.6 + * - Part of LEMON, a generic C++ optimization library
     1.7 + *
     1.8 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     1.9 + * (Egervary Combinatorial Optimization Research Group, EGRES).
    1.10 + *
    1.11 + * Permission to use, modify and distribute this software is granted
    1.12 + * provided that this copyright notice appears in all copies. For
    1.13 + * precise terms see the accompanying LICENSE file.
    1.14 + *
    1.15 + * This software is provided "AS IS" with no warranty of any kind,
    1.16 + * express or implied, and with no claim as to its suitability for any
    1.17 + * purpose.
    1.18 + *
    1.19 + */
    1.20 +
    1.21 +#ifndef LEMON_LP_SKELETON
    1.22 +#define LEMON_LP_SKELETON
    1.23 +
    1.24 +#include"lp_base.h"
    1.25 +
    1.26 +///\file
    1.27 +///\brief A skeleton file to implement LP solver interfaces
    1.28 +namespace lemon {
    1.29 +  
    1.30 +  ///A skeleton class to implement LP solver interfaces
    1.31 +  class LpSkeleton :public LpSolverBase {
    1.32 +    int col_num,row_num;
    1.33 +    
    1.34 +  protected:
    1.35 +    /// \e
    1.36 +    virtual int _addCol();
    1.37 +    /// \e
    1.38 +    virtual int _addRow();
    1.39 +    /// \e
    1.40 +
    1.41 +    /// \warning Arrays are indexed from 1 (datum at index 0 is ignored)
    1.42 +    ///
    1.43 +    virtual void _setRowCoeffs(int i, 
    1.44 +			       int length,
    1.45 +                               int  const * indices, 
    1.46 +                               Value  const * values );
    1.47 +    /// \e
    1.48 +
    1.49 +    /// \warning Arrays are indexed from 1 (datum at index 0 is ignored)
    1.50 +    ///
    1.51 +    virtual void _setColCoeffs(int i, 
    1.52 +			       int length,
    1.53 +                               int  const * indices, 
    1.54 +                               Value  const * values );
    1.55 +    
    1.56 +    /// \e
    1.57 +
    1.58 +    /// The lower bound of a variable (column) have to be given by an 
    1.59 +    /// extended number of type Value, i.e. a finite number of type 
    1.60 +    /// Value or -\ref INF.
    1.61 +    virtual void _setColLowerBound(int i, Value value);
    1.62 +    /// \e
    1.63 +
    1.64 +    /// The upper bound of a variable (column) have to be given by an 
    1.65 +    /// extended number of type Value, i.e. a finite number of type 
    1.66 +    /// Value or \ref INF.
    1.67 +    virtual void _setColUpperBound(int i, Value value);
    1.68 +    /// \e
    1.69 +
    1.70 +    /// The lower bound of a linear expression (row) have to be given by an 
    1.71 +    /// extended number of type Value, i.e. a finite number of type 
    1.72 +    /// Value or -\ref INF.
    1.73 +    virtual void _setRowLowerBound(int i, Value value);
    1.74 +    /// \e
    1.75 +
    1.76 +    /// The upper bound of a linear expression (row) have to be given by an 
    1.77 +    /// extended number of type Value, i.e. a finite number of type 
    1.78 +    /// Value or \ref INF.
    1.79 +    virtual void _setRowUpperBound(int i, Value value);
    1.80 +
    1.81 +    /// \e
    1.82 +    virtual void _setObjCoeff(int i, Value obj_coef);
    1.83 +
    1.84 +    ///\e
    1.85 +    
    1.86 +    ///\bug Wrong interface
    1.87 +    ///
    1.88 +    virtual SolveExitStatus _solve();
    1.89 +
    1.90 +    ///\e
    1.91 +
    1.92 +    ///\bug Wrong interface
    1.93 +    ///
    1.94 +    virtual Value _getPrimal(int i);
    1.95 +    ///\e
    1.96 +
    1.97 +    ///\bug Wrong interface
    1.98 +    ///
    1.99 +    virtual Value _getPrimalValue();
   1.100 +    ///\e
   1.101 +
   1.102 +    ///\bug Wrong interface
   1.103 +    ///
   1.104 +    virtual SolutionStatus _getPrimalStatus();
   1.105 +
   1.106 +    ///\e
   1.107 +    virtual void _setMax();
   1.108 +    ///\e
   1.109 +    virtual void _setMin();
   1.110 +    
   1.111 +
   1.112 +  public:
   1.113 +    LpSkeleton() : LpSolverBase(), col_num(0), row_num(0) {}
   1.114 +  };  
   1.115 +
   1.116 +} //namespace lemon
   1.117 +
   1.118 +#endif // LEMON_LP_SKELETON