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# /home/coin/svn-release/Blis-0.93.2/Blis/src/BlisHeurRound.h

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    00001 /*===========================================================================*
    00002  * This file is part of the BiCePS Linear Integer Solver (BLIS).             *
    00003  *                                                                           *
    00004  * BLIS 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  * All Rights Reserved.                                                      *
    00022  *===========================================================================*/
    00023
    00024 //#############################################################################
    00025 // This file is modified from CbcHeuristic.hpp
    00026 //#############################################################################
    00027
    00028 #ifndef BlisHeurRound_h_
    00029 #define BlisHeurRound_h_
    00030
    00031 #include <string>
    00032 #include <vector>
    00033
    00034 #include "CoinPackedMatrix.hpp"
    00035 #include "OsiCuts.hpp"
    00036
    00037 #include "BlisHeuristic.h"
    00038
    00039 class BlisModel;
    00040
    00041 //#############################################################################
    00042
    00044 class BlisHeurRound : public BlisHeuristic {
    00045  private:
    00047     BlisHeurRound & operator=(const BlisHeurRound& rhs);
    00048
    00049  protected:
    00051     CoinPackedMatrix matrix_;
    00052
    00054     CoinPackedMatrix matrixByRow_;
    00055
    00057     int seed_;
    00058
    00059  public:
    00061     BlisHeurRound() {}
    00062
    00064     BlisHeurRound(BlisModel * model, const char *name,
    00065                   BlisHeurStrategy strategy, int freq)
    00066         :
    00067         BlisHeuristic(model, name, strategy, freq)
    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
    00084     //using BlisHeuristic::searchSolution ;
    00090     virtual bool searchSolution(double & objectiveValue,
    00091                                double * newSolution);
    00092
    00094     void setSeed(int value) { seed_ = value; }
    00095
    00096 };
    00097 #endif