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# /home/coin/SVN-release/Bcps-0.91.0/Bcps/examples/Blis/BlisHeurRound.h

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    00001 /*===========================================================================*
    00002  * This file is part of the Bcps Linear Solver (BLIS).                       *
    00003  *                                                                           *
    00004  * BLIS is distributed under the Common 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) 2001-2005, International Business Machines                  *
    00021  * Corporation, Lehigh University, Yan Xu, Ted Ralphs, Matthew Salzman and   *
    00022  * others. All Rights Reserved.                                              *
    00023  *===========================================================================*/
    00024
    00025 //#############################################################################
    00026 // This file is modified from CbcHeuristic.hpp
    00027 //#############################################################################
    00028
    00029 #ifndef BlisHeurRound_h_
    00030 #define BlisHeurRound_h_
    00031
    00032 #include <string>
    00033 #include <vector>
    00034
    00035 #include "CoinPackedMatrix.hpp"
    00036 #include "OsiCuts.hpp"
    00037
    00038 #include "BlisHeuristic.h"
    00039
    00040 class BlisModel;
    00041
    00042 //#############################################################################
    00043
    00045 class BlisHeurRound : public BlisHeuristic {
    00046  private:
    00048     BlisHeurRound & operator=(const BlisHeurRound& rhs);
    00049
    00050  protected:
    00052     CoinPackedMatrix matrix_;
    00053
    00055     CoinPackedMatrix matrixByRow_;
    00056
    00058     int seed_;
    00059
    00060  public:
    00062     BlisHeurRound() {}
    00063
    00065     BlisHeurRound(BlisModel * model, const char *name, int strategy)
    00066         :
    00067         BlisHeuristic(model, name, strategy)
    00068         {
    00069             assert(model->solver());
    00070         }
    00071
    00073     ~BlisHeurRound() {}
    00074
    00076     BlisHeurRound( const BlisHeurRound &);
    00077
    00079     virtual BlisHeuristic * clone() const;
    00080
    00082     virtual void setModel(BlisModel * model);
    00083
    00089     virtual bool searchSolution(double & objectiveValue,
    00090                                double * newSolution);
    00091
    00093     void setSeed(int value) { seed_ = value; }
    00094
    00095 };
    00096 #endif