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# /home/coin/svn-release/Blis-0.93.2/Alps/examples/Abc/AbcCutGenerator.h

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    00001 /*===========================================================================*
    00002  * This file is part of the Abstract Library for Parallel Search (ALPS).     *
    00003  *                                                                           *
    00004  * ALPS is distributed under the Eclipse Public License as part of the       *
    00005  * COIN-OR repository (http://www.coin-or.org).                              *
    00006  *                                                                           *
    00007  * Authors:                                                                  *
    00008  *                                                                           *
    00009  *          Yan Xu, Lehigh University                                        *
    00010  *          Ted Ralphs, Lehigh University                                    *
    00011  *                                                                           *
    00012  * Conceptual Design:                                                        *
    00013  *                                                                           *
    00014  *          Yan Xu, Lehigh University                                        *
    00015  *          Ted Ralphs, Lehigh University                                    *
    00016  *          Laszlo Ladanyi, IBM T.J. Watson Research Center                  *
    00017  *          Matthew Saltzman, Clemson University                             *
    00018  *                                                                           *
    00019  *                                                                           *
    00020  * Copyright (C) 2001-2011, Lehigh University, Yan Xu, and Ted Ralphs.       *
    00021  *===========================================================================*/
    00022
    00023 //#############################################################################
    00024 // This file is modified from SbbCutGenerator.hpp
    00025 //#############################################################################
    00026
    00027 #ifndef AbcCutGenerator_h_
    00028 #define AbcCutGenerator_h_
    00029
    00030 #include "OsiSolverInterface.hpp"
    00031 #include "OsiCuts.hpp"
    00032
    00033 class AbcModel;
    00034 class OsiRowCut;
    00035 class OsiRowCutDebugger;
    00036 class CglCutGenerator;
    00037
    00038 //#############################################################################
    00039
    00069 class AbcCutGenerator  {
    00070
    00071  public:
    00072
    00089     bool generateCuts( OsiCuts &cs, bool fullScan);
    00091
    00092
    00095
    00096     AbcCutGenerator ();
    00097
    00099     AbcCutGenerator(AbcModel * model,CglCutGenerator * generator,
    00100                     int howOften=1, const char * name=NULL,
    00101                     bool normal=true, bool atSolution=false,
    00102                     bool infeasible=false);
    00103
    00105     AbcCutGenerator (const AbcCutGenerator &);
    00106
    00108     AbcCutGenerator & operator=(const AbcCutGenerator& rhs);
    00109
    00111     ~AbcCutGenerator ();
    00113
    00121     void refreshModel(AbcModel * model);
    00122
    00124     inline const char * cutGeneratorName() const
    00125         {
    00126             return generatorName_;
    00127         }
    00128
    00143     void setHowOften(int value) ;
    00144
    00146     inline int howOften() const
    00147         { return whenCutGenerator_; }
    00148
    00150     inline bool normal() const
    00151         { return normal_; }
    00153     inline void setNormal(bool value)
    00154         { normal_=value; }
    00156     inline bool atSolution() const
    00157         { return atSolution_; }
    00159     inline void setAtSolution(bool value)
    00160         { atSolution_=value; }
    00164     inline bool whenInfeasible() const
    00165         { return whenInfeasible_; }
    00169     inline void setWhenInfeasible(bool value)
    00170         { whenInfeasible_=value; }
    00172     inline CglCutGenerator * generator() const
    00173         { return generator_; }
    00175
    00176  private:
    00178     AbcModel *model_;
    00179
    00180     // The CglCutGenerator object
    00181     CglCutGenerator * generator_;
    00182
    00186     int whenCutGenerator_;
    00187
    00189     char * generatorName_;
    00190
    00192     bool normal_;
    00193
    00195     bool atSolution_;
    00196
    00198     bool whenInfeasible_;
    00199 };
    00200
    00201 #endif