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# /home/coin/svn-release/Blis-0.93.2/Bcps/examples/Blis/BlisHelp.h

Go to the documentation of this file.

    00001 /*===========================================================================*
    00002  * This file is part of the Bcps Linear 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 class CoinWarmStartBasis;
    00032 class OsiRowCut;
    00033 class BlisConstraint;
    00034 class BlisModel;
    00035
    00036 //#############################################################################
    00037
    00039 BlisConstraint * BlisOsiCutToConstraint(const OsiRowCut *rowCut);
    00040
    00042 OsiRowCut * BlisConstraintToOsiCut(const BlisConstraint * con);
    00043
    00045 int BlisStrongBranch(BlisModel *model, double objValue, int colInd, double x,
    00046                      const double *saveLower, const double *saveUpper,
    00047                      bool &downKeep, bool &downFinished, double &downDeg,
    00048                      bool &upKeep, bool &upFinished, double &upDeg);
    00049
    00051 int BlisEncodeWarmStart(AlpsEncoded *encoded, const CoinWarmStartBasis *ws);
    00052
    00054 CoinWarmStartBasis *BlisDecodeWarmStart(AlpsEncoded &encoded,
    00055                                         AlpsReturnStatus *rc);
    00056
    00058 double BlisHashingOsiRowCut(const OsiRowCut *rowCut,
    00059                             const BlisModel *model);
    00060
    00062 bool BlisParallelCutCut(OsiRowCut * rowCut1,
    00063                         OsiRowCut * rowCut2,
    00064                         double threshold = 1.0);
    00065
    00067 bool BlisParallelCutCon(OsiRowCut * rowCut,
    00068                         BlisConstraint * con,
    00069                         double threshold = 1.0);
    00070
    00071
    00072 #endif