Cbc  2.10.10
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
CbcHeuristicRINS.hpp
Go to the documentation of this file.
1 /* $Id$ */
2 // Copyright (C) 2006, International Business Machines
3 // Corporation and others. All Rights Reserved.
4 // This code is licensed under the terms of the Eclipse Public License (EPL).
5 
6 #ifndef CbcHeuristicRINS_H
7 #define CbcHeuristicRINS_H
8 
9 #include "CbcHeuristic.hpp"
10 // for backward compatibility include 3 other headers
11 #include "CbcHeuristicRENS.hpp"
12 #include "CbcHeuristicDINS.hpp"
13 #include "CbcHeuristicVND.hpp"
18 public:
19  // Default Constructor
21 
22  /* Constructor with model - assumed before cuts
23  Initial version does not do Lps
24  */
25  CbcHeuristicRINS(CbcModel &model);
26 
27  // Copy constructor
29 
30  // Destructor
32 
34  virtual CbcHeuristic *clone() const;
35 
38 
40  virtual void generateCpp(FILE *fp);
41 
43  virtual void resetModel(CbcModel *model);
44 
46  virtual void setModel(CbcModel *model);
47 
53  virtual int solution(double &objectiveValue,
54  double *newSolution);
56  int solutionFix(double &objectiveValue,
57  double *newSolution,
58  const int *keep);
59 
61  inline void setHowOften(int value)
62  {
63  howOften_ = value;
64  }
66  inline char *used() const
67  {
68  return used_;
69  }
71  inline void setLastNode(int value)
72  {
73  lastNode_ = value;
74  }
76  inline void setSolutionCount(int value)
77  {
78  numberSolutions_ = value;
79  }
80 
81 protected:
82  // Data
83 
87  int howOften_;
99  int lastNode_;
101  char *used_;
102 };
103 #endif
104 
105 /* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
106 */
CbcHeuristicRINS::numberSolutions_
int numberSolutions_
Number of solutions so we can do something at solution.
Definition: CbcHeuristicRINS.hpp:85
CbcHeuristicRINS::used_
char * used_
Whether a variable has been in a solution.
Definition: CbcHeuristicRINS.hpp:101
CbcHeuristicRINS::resetModel
virtual void resetModel(CbcModel *model)
Resets stuff if model changes.
CbcHeuristicRINS::operator=
CbcHeuristicRINS & operator=(const CbcHeuristicRINS &rhs)
Assignment operator.
CbcHeuristicRINS::setModel
virtual void setModel(CbcModel *model)
update model (This is needed if cliques update matrix etc)
CbcHeuristic
Heuristic base class.
Definition: CbcHeuristic.hpp:86
CbcHeuristicRINS::used
char * used() const
Used array so we can set.
Definition: CbcHeuristicRINS.hpp:66
CbcHeuristicRINS::setSolutionCount
void setSolutionCount(int value)
Resets number of solutions.
Definition: CbcHeuristicRINS.hpp:76
CbcHeuristicRINS::setLastNode
void setLastNode(int value)
Resets lastNode.
Definition: CbcHeuristicRINS.hpp:71
CbcHeuristicRINS::lastNode_
int lastNode_
Node when last done.
Definition: CbcHeuristicRINS.hpp:99
CbcHeuristicRINS::solution
virtual int solution(double &objectiveValue, double *newSolution)
returns 0 if no solution, 1 if valid solution.
CbcHeuristicRINS::numberTries_
int numberTries_
Number of tries.
Definition: CbcHeuristicRINS.hpp:91
CbcHeuristicRINS
LocalSearch class.
Definition: CbcHeuristicRINS.hpp:17
CbcHeuristicRINS::~CbcHeuristicRINS
~CbcHeuristicRINS()
CbcHeuristicRINS::clone
virtual CbcHeuristic * clone() const
Clone.
CbcModel
Simple Branch and bound class.
Definition: CbcModel.hpp:100
CbcHeuristicRINS::numberSuccesses_
int numberSuccesses_
Number of successes.
Definition: CbcHeuristicRINS.hpp:89
CbcHeuristic::solution
virtual int solution(double &objectiveValue, double *newSolution)=0
returns 0 if no solution, 1 if valid solution with better objective value than one passed in Sets sol...
CbcHeuristicRINS::setHowOften
void setHowOften(int value)
Sets how often to do it.
Definition: CbcHeuristicRINS.hpp:61
CbcHeuristic.hpp
CbcHeuristicRINS::howOften_
int howOften_
How often to do (code can change)
Definition: CbcHeuristicRINS.hpp:87
CbcHeuristicRINS::generateCpp
virtual void generateCpp(FILE *fp)
Create C++ lines to get to current state.
CbcHeuristicRINS::CbcHeuristicRINS
CbcHeuristicRINS()
CbcHeuristicDINS.hpp
CbcHeuristicRINS::stateOfFixing_
int stateOfFixing_
State of fixing continuous variables - 0 - not tried +n - this divisor makes small enough -n - this d...
Definition: CbcHeuristicRINS.hpp:97
CbcHeuristicVND.hpp
CbcHeuristicRENS.hpp
CbcHeuristicRINS::solutionFix
int solutionFix(double &objectiveValue, double *newSolution, const int *keep)
This version fixes stuff and does IP.