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# /home/coin/SVN-release/Blis-0.91.0/Cgl/src/CglLandP/CglLandPValidator.hpp

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    00001 // Copyright (C) 2005, Pierre Bonami and others.  All Rights Reserved.
    00002 // Author:   Pierre Bonami
    00003 //           Tepper School of Business
    00004 //           Carnegie Mellon University, Pittsburgh, PA 15213
    00005 // Date:     11/22/05
    00006 //---------------------------------------------------------------------------
    00007
    00008 #ifndef CglLandPValidator_H
    00009 #define CglLandPValidator_H
    00010 #include "OsiSolverInterface.hpp"
    00011 #include "CglParam.hpp"
    00012 #include <vector>
    00013
    00015 //[5] = {"Accepted", "violation too small", "small coefficient too small", "big dynamic","too dense"}
    00016
    00017
    00018 namespace LAP
    00019 {
    00020
    00022 class Validator
    00023 {
    00024 public:
    00026     enum RejectionsReasons {
    00027         NoneAccepted=0 ,
    00028         SmallViolation ,
    00029         SmallCoefficient ,
    00030         BigDynamic ,
    00031         DenseCut,
    00032         EmptyCut,
    00033         DummyEnd
    00034     };
    00035
    00037     Validator(double maxFillIn = 1.,
    00038               double maxRatio = 1e8,
    00039               double minViolation = 0,
    00040               bool scale = false,
    00041               double rhsScale = 1);
    00042
    00044     int cleanCut(OsiRowCut & aCut, const double * solCut,const OsiSolverInterface &si, const CglParam & par,
    00045                  const double * colLower, const double * colUpper) const;
    00047     int cleanCut2(OsiRowCut & aCut, const double * solCut, const OsiSolverInterface &si, const CglParam & par,
    00048                   const double * colLower, const double * colUpper) const;
    00050     int operator()(OsiRowCut & aCut, const double * solCut,const OsiSolverInterface &si, const CglParam & par,
    00051                    const double * colLower, const double * colUpper) const {
    00052         return cleanCut(aCut, solCut, si, par, colLower, colUpper);
    00053     }
    00056     void setMaxFillIn(double value) {
    00057         maxFillIn_ = value;
    00058     }
    00059     void setMaxRatio(double value) {
    00060         maxRatio_ = value;
    00061     }
    00062     void setMinViolation(double value) {
    00063         minViolation_ = value;
    00064     }
    00065
    00066     void setRhsScale(double v){
    00067        rhsScale_ = v;
    00068     }
    00072     double getMaxFillIn() {
    00073         return maxFillIn_;
    00074     }
    00075     double getMaxRatio() {
    00076         return maxRatio_;
    00077     }
    00078     double getMinViolation() {
    00079         return minViolation_;
    00080     }
    00083     const std::string& failureString(RejectionsReasons code) const {
    00084         return rejections_[(int) code];
    00085     }
    00086     const std::string& failureString(int code) const {
    00087         return rejections_[ code];
    00088     }
    00089     int numRejected(RejectionsReasons code)const {
    00090         return numRejected_[(int) code];
    00091     }
    00092     int numRejected(int code)const {
    00093         return numRejected_[ code];
    00094     }
    00095 private:
    00096     static void fillRejectionReasons();
    00098     double maxFillIn_;
    00100     double maxRatio_;
    00102     double minViolation_;
    00104     bool scale_;
    00106     double rhsScale_;
    00108     static std::vector<std::string> rejections_;
    00110     mutable std::vector<int> numRejected_;
    00111 };
    00112
    00113 }/* Ends namespace LAP.*/
    00114 #endif