/home/coin/SVN-release/Bcps-0.93.1/Bcps/examples/Blis/BlisBranchStrategyRel.h

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00001 /*===========================================================================*
00002  * This file is part of the Bcps Linear Solver (BLIS).                       *
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  * All Rights Reserved.                                                      *
00022  *===========================================================================*/
00023 
00024 
00025 //#############################################################################
00026 // NOTE: Borrow ideas from COIN/Cbc
00027 //#############################################################################
00028 
00029 
00030 #ifndef BlisBranchStrategyRel_h_
00031 #define BlisBranchStrategyRel_h_
00032 
00033 #include "BcpsBranchObject.h"
00034 #include "BcpsBranchStrategy.h"
00035 #include "BlisModel.h"
00036 
00037 
00041 class BlisBranchStrategyRel : public BcpsBranchStrategy {
00042 
00043  private:
00045     BlisBranchStrategyRel& operator=(const BlisBranchStrategyRel& rhs);
00046 
00047     int relibility_;
00048     
00049  public:
00050 
00052     BlisBranchStrategyRel() : relibility_(1) {}
00053 
00055     BlisBranchStrategyRel(BlisModel *model, int rel)
00056         : 
00057         BcpsBranchStrategy(model), 
00058         relibility_(rel)
00059         {}
00060 
00062     virtual ~BlisBranchStrategyRel() {}
00063     
00065     BlisBranchStrategyRel(const BlisBranchStrategyRel &);
00066     
00068     void setRelibility(int rel) { relibility_ = rel; }    
00069 
00071     virtual BcpsBranchStrategy * clone() const {
00072         return new BlisBranchStrategyRel(*this);
00073     }
00074     
00080     virtual int betterBranchObject(BcpsBranchObject * thisOne,
00081                                    BcpsBranchObject * bestSoFar);
00082 
00084     int createCandBranchObjects(int numPassesLeft);
00085 };
00086 
00087 #endif

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