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# /home/coin/SVN-release/Blis-0.91.0/Blis/src/BlisConstraint.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) 2001-2009, Lehigh University, Yan Xu, and Ted Ralphs.       *
    00021  * All Rights Reserved.                                                      *
    00022  *===========================================================================*/
    00023
    00024 #ifndef BlisConstraint_h_
    00025 #define BlisConstraint_h_
    00026
    00027 #include "BcpsObject.h"
    00028
    00029 class OsiRowCut;
    00030
    00031 //#############################################################################
    00032
    00033 class BlisConstraint : public BcpsConstraint {
    00034
    00035  protected:
    00037     int size_;
    00039     int *indices_;
    00041     double *values_;
    00042
    00043  public:
    00044
    00046     BlisConstraint();
    00047
    00049     BlisConstraint(int s, const int *ind, const double *val);
    00050
    00052     BlisConstraint(double lbh, double ubh, double lbs, double ubs);
    00053
    00055     BlisConstraint(double lbh, double ubh, double lbs, double ubs,
    00056                    int size, const int *ind, const double *val);
    00058     virtual ~BlisConstraint();
    00059
    00061     BlisConstraint(const BlisConstraint & rhs);
    00062
    00065     int getSize() const       { return size_; }
    00066     int* getIndices() const   { return indices_; }
    00067     double* getValues() const { return values_; }
    00072     void setData(int s, const int *ind, const double *val) {
    00073         if (size_ < s) {
    00074             delete [] indices_;
    00075             delete [] values_;
    00076             indices_ = new int [s];
    00077             values_ = new double [s];
    00078         }
    00079         size_ = s;
    00080         memcpy(indices_, ind, sizeof(int) * s);
    00081         memcpy(values_, val, sizeof(double) * s);
    00082     }
    00085  protected:
    00086
    00088     AlpsReturnStatus encodeBlis(AlpsEncoded *encoded);
    00089
    00091     AlpsReturnStatus decodeBlis(AlpsEncoded &encoded);
    00092
    00093  public:
    00094
    00096     OsiRowCut *createOsiRowCut();
    00097
    00099     virtual void hashing(BcpsModel *model=NULL);
    00100
    00102     double violation(const double *lpSolution);
    00103
    00104     using AlpsKnowledge::encode ;
    00106     virtual AlpsReturnStatus encode(AlpsEncoded *encoded);
    00107
    00109     virtual AlpsKnowledge* decode(AlpsEncoded& encoded) const;
    00110 };
    00111
    00112 //#############################################################################
    00113
    00114 #endif