Cgl 0.60.3
CglDuplicateRow.hpp
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1// $Id$
2// Copyright (C) 2004, 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 CglDuplicateRow_H
7#define CglDuplicateRow_H
8
9#include <string>
10
11#include "CglCutGenerator.hpp"
12class CglStored;
13
16
17public:
18
19
40 virtual void generateCuts( const OsiSolverInterface & si, OsiCuts & cs,
41 const CglTreeInfo info = CglTreeInfo());
42private:
44 void generateCuts12( const OsiSolverInterface & si, OsiCuts & cs,
45 const CglTreeInfo info = CglTreeInfo());
47 void generateCuts4( const OsiSolverInterface & si, OsiCuts & cs,
48 const CglTreeInfo info = CglTreeInfo());
50 void generateCuts8( const OsiSolverInterface & si, OsiCuts & cs,
51 const CglTreeInfo info = CglTreeInfo());
52public:
72 CglStored * outDuplicates( OsiSolverInterface * solver);
73
75
79 inline const int * duplicate() const
80 { return duplicate_;}
82 inline int sizeDynamic() const
83 { return sizeDynamic_;}
85 inline int numberOriginalRows() const
86 { return matrix_.getNumRows();}
88
92 inline int logLevel() const
93 { return logLevel_;}
94 inline void setLogLevel(int value)
95 { logLevel_ = value;}
97
98
102 inline int maximumRhs() const
103 { return maximumRhs_;}
105 inline void setMaximumRhs(int value)
106 { maximumRhs_=value;}
108
112 inline int maximumDominated() const
113 { return maximumDominated_;}
115 inline void setMaximumDominated(int value)
116 { maximumDominated_=value;}
118
121 inline int mode() const
122 { return mode_;}
124 inline void setMode(int value)
125 { mode_=value;}
127
132
134 CglDuplicateRow (OsiSolverInterface * solver);
135
138 const CglDuplicateRow & rhs);
139
141 virtual CglCutGenerator * clone() const;
142
146 const CglDuplicateRow& rhs);
147
149 virtual
152 virtual std::string generateCpp( FILE * fp);
153
155 virtual void refreshSolver(OsiSolverInterface * solver);
157
158protected:
159
160
161 // Protected member data
162
166 CoinPackedMatrix matrix_;
168 CoinPackedMatrix matrixByRow_;
170 int * rhs_;
174 int * lower_;
184 int mode_;
188};
189#endif
Cut Generator Base Class.
DuplicateRow Cut Generator Class.
int * rhs_
Possible rhs (if 0 then not possible)
int maximumDominated() const
Get.
CglStored * storedCuts_
Stored cuts if we found dominance cuts.
int * duplicate_
Marks duplicate rows.
virtual void refreshSolver(OsiSolverInterface *solver)
This can be used to refresh any information.
int logLevel() const
logLevel
void setMode(int value)
Set mode.
virtual void generateCuts(const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo())
Fix variables and find duplicate/dominated rows for the model of the solver interface,...
CglStored * outDuplicates(OsiSolverInterface *solver)
Fix variables and find duplicate/dominated rows for the model of the solver interface,...
int * lower_
To allow for <= rows.
int maximumRhs_
Check duplicates if effective rhs <= this.
int maximumRhs() const
Get.
int logLevel_
Controls print out.
CoinPackedMatrix matrixByRow_
Matrix by row.
const int * duplicate() const
Get duplicate row list, -1 means still in, -2 means out (all fixed), k>= means same as row k.
int sizeDynamic_
Size of dynamic program.
CglDuplicateRow(OsiSolverInterface *solver)
Useful constructor.
void generateCuts4(const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo())
Does work for mode 4.
CglDuplicateRow()
Default constructor.
int numberOriginalRows() const
Number of rows in original problem.
int sizeDynamic() const
Size of dynamic program.
virtual ~CglDuplicateRow()
Destructor.
void setMaximumRhs(int value)
Set.
int maximumDominated_
Check dominated columns if less than this number of candidates.
void setLogLevel(int value)
virtual std::string generateCpp(FILE *fp)
Create C++ lines to get to current state.
int mode_
1 do rows, 2 do columns, 3 do both
virtual CglCutGenerator * clone() const
Clone.
void generateCuts8(const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo())
Does work for mode 8.
CglDuplicateRow & operator=(const CglDuplicateRow &rhs)
Assignment operator.
void setMaximumDominated(int value)
Set.
CglDuplicateRow(const CglDuplicateRow &rhs)
Copy constructor.
void generateCuts12(const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info=CglTreeInfo())
Does work for modes 1,2.
int mode() const
Get mode.
CoinPackedMatrix matrix_
Matrix.
Stored Cut Generator Class.
Definition: CglStored.hpp:16
Information about where the cut generator is invoked from.
Definition: CglTreeInfo.hpp:15