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# /home/coin/SVN-release/Blis-0.91.2/Blis/src/BlisPresolve.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 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) 2001-2010, Lehigh University, Yan Xu, and Ted Ralphs.       *
    00021  * All Rights Reserved.                                                      *
    00022  *===========================================================================*/
    00023
    00024 #ifndef BlisPresolve_H_
    00025 #define BlisPresolve_H_
    00026
    00027 #if defined(_MSC_VER)
    00028 // Turn off compiler warning about long names
    00029 #  pragma warning(disable:4786)
    00030 #endif
    00031
    00032 #include "OsiPresolve.hpp"
    00033
    00034 //#############################################################################
    00035
    00037 class BlisPresolve : public OsiPresolve
    00038 {
    00039 private:
    00040
    00041     CoinPresolveMatrix *preMatrix_;
    00042     CoinPostsolveMatrix *postMatrix_;
    00043
    00044 public:
    00045
    00047     BlisPresolve() :
    00048         preMatrix_(0),
    00049         postMatrix_(0) {}
    00050
    00052     virtual ~BlisPresolve() {
    00053         delete preMatrix_;
    00054         delete postMatrix_;
    00055     }
    00056
    00058     virtual OsiSolverInterface *preprocess(OsiSolverInterface & origModel,
    00059                                            double feasibilityTolerance=0.0,
    00060                                            bool keepIntegers=true,
    00061                                            int numberPasses=5,
    00062                                            const char * prohibited=NULL);
    00063
    00065     virtual void postprocess(bool updateStatus=true);
    00066 };
    00067
    00068 #endif
    00069
    00070 //#############################################################################