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# /home/coin/svn-release/Blis-0.93.2/Blis/src/BlisHelp.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
    00026 #ifndef BlisHelp_h_
    00027 #define BlisHelp_h_
    00028
    00029 #include "AlpsEncoded.h"
    00030
    00031 #include "Blis.h"
    00032
    00033 class CoinWarmStartBasis;
    00034 class OsiRowCut;
    00035 class BlisConstraint;
    00036 class BlisModel;
    00037
    00038 //#############################################################################
    00039
    00041 BlisConstraint * BlisOsiCutToConstraint(const OsiRowCut *rowCut);
    00042
    00044 BlisReturnStatus BlisStrongBranch(BlisModel *model, double objValue, int colInd, double x,
    00045                                   const double *saveLower, const double *saveUpper,
    00046                                           bool &downKeep, bool &downFinished, double &downDeg,
    00047                                           bool &upKeep, bool &upFinished, double &upDeg);
    00048
    00050 int BlisEncodeWarmStart(AlpsEncoded *encoded, const CoinWarmStartBasis *ws);
    00051
    00053 CoinWarmStartBasis *BlisDecodeWarmStart(AlpsEncoded &encoded,
    00054                                         AlpsReturnStatus *rc);
    00055
    00057 double BlisHashingOsiRowCut(const OsiRowCut *rowCut,
    00058                             const BlisModel *model);
    00059
    00061 bool BlisParallelCutCut(OsiRowCut * rowCut1,
    00062                         OsiRowCut * rowCut2,
    00063                         double threshold = 1.0);
    00064
    00066 bool BlisParallelCutCon(OsiRowCut * rowCut,
    00067                         BlisConstraint * con,
    00068                         double threshold = 1.0);
    00069
    00071 bool BlisParallelConCon(BlisConstraint * con1,
    00072                         BlisConstraint * con2,
    00073                         double threshold = 1.0);
    00074
    00075
    00076 #endif