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authorHarpreet2016-09-03 00:34:27 +0530
committerHarpreet2016-09-03 00:34:27 +0530
commit4b64cf486f5c999fd8167758cae27839f3b50848 (patch)
treed9d06639fb7fa61aef59be0363655e4747105ec7 /build/Bonmin/include/coin/CbcHeuristicRINS.hpp
parentd19794fb80a271a4c885ed90f97cfc12baa012f2 (diff)
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Structure updated and intqpipopt files added
Diffstat (limited to 'build/Bonmin/include/coin/CbcHeuristicRINS.hpp')
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diff --git a/build/Bonmin/include/coin/CbcHeuristicRINS.hpp b/build/Bonmin/include/coin/CbcHeuristicRINS.hpp
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-/* $Id: CbcHeuristicRINS.hpp 1956 2013-08-17 15:28:45Z forrest $ */
-// Copyright (C) 2006, International Business Machines
-// Corporation and others. All Rights Reserved.
-// This code is licensed under the terms of the Eclipse Public License (EPL).
-
-#ifndef CbcHeuristicRINS_H
-#define CbcHeuristicRINS_H
-
-#include "CbcHeuristic.hpp"
-// for backward compatibility include 3 other headers
-#include "CbcHeuristicRENS.hpp"
-#include "CbcHeuristicDINS.hpp"
-#include "CbcHeuristicVND.hpp"
-/** LocalSearch class
- */
-
-class CbcHeuristicRINS : public CbcHeuristic {
-public:
-
- // Default Constructor
- CbcHeuristicRINS ();
-
- /* Constructor with model - assumed before cuts
- Initial version does not do Lps
- */
- CbcHeuristicRINS (CbcModel & model);
-
- // Copy constructor
- CbcHeuristicRINS ( const CbcHeuristicRINS &);
-
- // Destructor
- ~CbcHeuristicRINS ();
-
- /// Clone
- virtual CbcHeuristic * clone() const;
-
-
- /// Assignment operator
- CbcHeuristicRINS & operator=(const CbcHeuristicRINS& rhs);
-
- /// Create C++ lines to get to current state
- virtual void generateCpp( FILE * fp) ;
-
- /// Resets stuff if model changes
- virtual void resetModel(CbcModel * model);
-
- /// update model (This is needed if cliques update matrix etc)
- virtual void setModel(CbcModel * model);
-
- using CbcHeuristic::solution ;
- /** returns 0 if no solution, 1 if valid solution.
- Sets solution values if good, sets objective value (only if good)
- This does Relaxation Induced Neighborhood Search
- */
- virtual int solution(double & objectiveValue,
- double * newSolution);
- /// This version fixes stuff and does IP
- int solutionFix(double & objectiveValue,
- double * newSolution,
- const int * keep);
-
- /// Sets how often to do it
- inline void setHowOften(int value) {
- howOften_ = value;
- }
- /// Used array so we can set
- inline char * used() const {
- return used_;
- }
- /// Resets lastNode
- inline void setLastNode(int value) {
- lastNode_ = value;
- }
- /// Resets number of solutions
- inline void setSolutionCount(int value) {
- numberSolutions_ = value;
- }
-
-protected:
- // Data
-
- /// Number of solutions so we can do something at solution
- int numberSolutions_;
- /// How often to do (code can change)
- int howOften_;
- /// Number of successes
- int numberSuccesses_;
- /// Number of tries
- int numberTries_;
- /** State of fixing continuous variables -
- 0 - not tried
- +n - this divisor makes small enough
- -n - this divisor still not small enough
- */
- int stateOfFixing_;
- /// Node when last done
- int lastNode_;
- /// Whether a variable has been in a solution
- char * used_;
-};
-#endif
-