#include <CglTreeInfo.hpp>

Inheritance diagram for CglTreeProbingInfo:

Collaboration diagram for CglTreeProbingInfo:

Public Member Functions
	CglTreeProbingInfo ()
	Default constructor.
	CglTreeProbingInfo (const OsiSolverInterface *model)
	Constructor from model.
	CglTreeProbingInfo (const CglTreeProbingInfo &)
	Copy constructor.
virtual CglTreeInfo *	clone () const
	Clone.
CglTreeProbingInfo &	operator= (const CglTreeProbingInfo &rhs)
	Assignment operator.
virtual	~CglTreeProbingInfo ()
	Destructor.
OsiSolverInterface *	analyze (const OsiSolverInterface &si, int createSolver=0, int numberExtraCliques=0, const CoinBigIndex starts=NULL, const CliqueEntry entries=NULL, const char *type=NULL)
virtual bool	fixes (int variable, int toValue, int fixedVariable, bool fixedToLower)
	Take action if cut generator can fix a variable (toValue -1 for down, +1 for up) Returns true if still room, false if not.
virtual int	initializeFixing (const OsiSolverInterface *model)
	Initalizes fixing arrays etc - returns >0 if we want to save info 0 if we don't and -1 if is to be used.
int	fixColumns (OsiSolverInterface &si) const
	Fix entries in a solver using implications.
int	fixColumns (int iColumn, int value, OsiSolverInterface &si) const
	Fix entries in a solver using implications for one variable.
int	packDown ()
	Packs down entries.
void	generateCuts (const OsiSolverInterface &si, OsiCuts &cs, const CglTreeInfo info) const
	Generate cuts from implications.
CliqueEntry *	fixEntries ()
	Entries for fixing variables.
int *	toZero ()
	Starts of integer variable going to zero.
int *	toOne ()
	Starts of integer variable going to one.
int *	integerVariable () const
	List of 0-1 integer variables.
int *	backward () const
	Backward look up.
int	numberVariables () const
	Number of variables.
int	numberIntegers () const
	Number of 0-1 variables.
Public Member Functions inherited from CglTreeInfo
	CglTreeInfo ()
	Default constructor.
	CglTreeInfo (const CglTreeInfo &)
	Copy constructor.
CglTreeInfo &	operator= (const CglTreeInfo &rhs)
	Assignment operator.
virtual	~CglTreeInfo ()
	Destructor.

Protected Attributes
CliqueEntry *	fixEntry_
	Entries for fixing variables.
int *	toZero_
	Starts of integer variable going to zero.
int *	toOne_
	Starts of integer variable going to one.
int *	integerVariable_
	List of 0-1 integer variables.
int *	backward_
	Backward look up.
int *	fixingEntry_
	Entries for fixing variable when collecting.
int	numberVariables_
	Number of variables.
int	numberIntegers_
	Number of 0-1 variables.
int	maximumEntries_
	Maximum number in fixEntry_.
int	numberEntries_
	Number entries in fixingEntry_ (and fixEntry_) or -2 if correct style.

Private Member Functions
void	convert ()
	Converts to ordered.

Additional Inherited Members
Public Attributes inherited from CglTreeInfo
int	level
	The level of the search tree node.
int	pass
	How many times the cut generator was already invoked in this search tree node.
int	formulation_rows
	The number of rows in the original formulation.
int	options
	Options 1 - treat costed integers as important 2 - switch off some stuff as variables semi-integer 4 - set global cut flag if at root node 8 - set global cut flag if at root node and first pass 16 - set global cut flag and make cuts globally valid 32 - last round of cuts did nothing - maybe be more aggressive 64 - in preprocessing stage 128 - looks like solution 256 - want alternate cuts 512 - in sub tree (i.e.
bool	inTree
	Set true if in tree (to avoid ambiguity at first branch).
int	hasParent
	nonzero if called from child of main model 1 if heuristic run 2 if doing full search
OsiSolverInterface *	parentSolver
	parent solver
int *	originalColumns
	Original columns (if preprocessed).
OsiRowCut **	strengthenRow
	Replacement array.
CoinThreadRandom *	randomNumberGenerator
	Optional pointer to thread specific random number generator.

Detailed Description

Definition at line 92 of file CglTreeInfo.hpp.

Constructor & Destructor Documentation

◆ CglTreeProbingInfo() [1/3]

CglTreeProbingInfo::CglTreeProbingInfo ( )

Default constructor.

◆ CglTreeProbingInfo() [2/3]

CglTreeProbingInfo::CglTreeProbingInfo ( const OsiSolverInterface * model )

Constructor from model.

◆ CglTreeProbingInfo() [3/3]

CglTreeProbingInfo::CglTreeProbingInfo ( const CglTreeProbingInfo & )

Copy constructor.

◆ ~CglTreeProbingInfo()

virtual CglTreeProbingInfo::~CglTreeProbingInfo ( )

virtual

Destructor.

Member Function Documentation

◆ clone()

virtual CglTreeInfo * CglTreeProbingInfo::clone ( ) const

virtual

Clone.

Reimplemented from CglTreeInfo.

◆ operator=()

CglTreeProbingInfo & CglTreeProbingInfo::operator= ( const CglTreeProbingInfo & rhs )

Assignment operator.

◆ analyze()

OsiSolverInterface * CglTreeProbingInfo::analyze	(	const OsiSolverInterface &	si,
		int	createSolver = 0,
		int	numberExtraCliques = 0,
		const CoinBigIndex *	starts = NULL,
		const CliqueEntry *	entries = NULL,
		const char *	type = NULL )

◆ fixes()

virtual bool CglTreeProbingInfo::fixes	(	int	variable,
		int	toValue,
		int	fixedVariable,
		bool	fixedToLower )

virtual

Take action if cut generator can fix a variable (toValue -1 for down, +1 for up) Returns true if still room, false if not.

Reimplemented from CglTreeInfo.

◆ initializeFixing()

virtual int CglTreeProbingInfo::initializeFixing ( const OsiSolverInterface * model )

virtual

Initalizes fixing arrays etc - returns >0 if we want to save info 0 if we don't and -1 if is to be used.

Reimplemented from CglTreeInfo.

◆ fixColumns() [1/2]

int CglTreeProbingInfo::fixColumns ( OsiSolverInterface & si ) const

Fix entries in a solver using implications.

◆ fixColumns() [2/2]

int CglTreeProbingInfo::fixColumns	(	int	iColumn,
		int	value,
		OsiSolverInterface &	si ) const

Fix entries in a solver using implications for one variable.

◆ packDown()

int CglTreeProbingInfo::packDown ( )

Packs down entries.

◆ generateCuts()

void CglTreeProbingInfo::generateCuts	(	const OsiSolverInterface &	si,
		OsiCuts &	cs,
		const CglTreeInfo	info ) const

Generate cuts from implications.

◆ fixEntries()

CliqueEntry * CglTreeProbingInfo::fixEntries ( )

inline

Entries for fixing variables.

Definition at line 132 of file CglTreeInfo.hpp.

◆ toZero()

int * CglTreeProbingInfo::toZero ( )

inline

Starts of integer variable going to zero.

Definition at line 138 of file CglTreeInfo.hpp.

◆ toOne()

int * CglTreeProbingInfo::toOne ( )

inline

Starts of integer variable going to one.

Definition at line 144 of file CglTreeInfo.hpp.

◆ integerVariable()

int * CglTreeProbingInfo::integerVariable ( ) const

inline

List of 0-1 integer variables.

Definition at line 150 of file CglTreeInfo.hpp.

◆ backward()

int * CglTreeProbingInfo::backward ( ) const

inline

Backward look up.

Definition at line 155 of file CglTreeInfo.hpp.

◆ numberVariables()

int CglTreeProbingInfo::numberVariables ( ) const

inline

Number of variables.

Definition at line 160 of file CglTreeInfo.hpp.

◆ numberIntegers()

int CglTreeProbingInfo::numberIntegers ( ) const

inline

Number of 0-1 variables.

Definition at line 165 of file CglTreeInfo.hpp.

◆ convert()

void CglTreeProbingInfo::convert ( )

private

Converts to ordered.

Member Data Documentation

◆ fixEntry_

CliqueEntry* CglTreeProbingInfo::fixEntry_

protected

Entries for fixing variables.

Definition at line 176 of file CglTreeInfo.hpp.

◆ toZero_

int* CglTreeProbingInfo::toZero_

protected

Starts of integer variable going to zero.

Definition at line 178 of file CglTreeInfo.hpp.

◆ toOne_

int* CglTreeProbingInfo::toOne_

protected

Starts of integer variable going to one.

Definition at line 180 of file CglTreeInfo.hpp.

◆ integerVariable_

int* CglTreeProbingInfo::integerVariable_

protected

List of 0-1 integer variables.

Definition at line 182 of file CglTreeInfo.hpp.

◆ backward_

int* CglTreeProbingInfo::backward_

protected

Backward look up.

Definition at line 184 of file CglTreeInfo.hpp.

◆ fixingEntry_

int* CglTreeProbingInfo::fixingEntry_

protected

Entries for fixing variable when collecting.

Definition at line 186 of file CglTreeInfo.hpp.

◆ numberVariables_

int CglTreeProbingInfo::numberVariables_

protected

Number of variables.

Definition at line 188 of file CglTreeInfo.hpp.

◆ numberIntegers_

int CglTreeProbingInfo::numberIntegers_

protected

Number of 0-1 variables.

Definition at line 190 of file CglTreeInfo.hpp.

◆ maximumEntries_

int CglTreeProbingInfo::maximumEntries_

protected

Maximum number in fixEntry_.

Definition at line 192 of file CglTreeInfo.hpp.

◆ numberEntries_

int CglTreeProbingInfo::numberEntries_

protected

Number entries in fixingEntry_ (and fixEntry_) or -2 if correct style.

Definition at line 194 of file CglTreeInfo.hpp.

The documentation for this class was generated from the following file:

/builddir/build/BUILD/coin-or-Cgl-0.60.10-build/Cgl-releases-0.60.10/Cgl/src/CglTreeInfo.hpp

Public Member Functions

Protected Attributes

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CglTreeProbingInfo() [1/3]

◆ CglTreeProbingInfo() [2/3]

◆ CglTreeProbingInfo() [3/3]

◆ ~CglTreeProbingInfo()

Member Function Documentation

◆ clone()

◆ operator=()

◆ analyze()

◆ fixes()

◆ initializeFixing()

◆ fixColumns() [1/2]

◆ fixColumns() [2/2]

◆ packDown()

◆ generateCuts()

◆ fixEntries()

◆ toZero()

◆ toOne()

◆ integerVariable()

◆ backward()

◆ numberVariables()

◆ numberIntegers()

◆ convert()

Member Data Documentation

◆ fixEntry_

◆ toZero_

◆ toOne_

◆ integerVariable_

◆ backward_

◆ fixingEntry_

◆ numberVariables_

◆ numberIntegers_

◆ maximumEntries_

◆ numberEntries_