Abstract base class which also has some scalars so can be used from Dense or Simp. More...

#include <CoinAbcDenseFactorization.hpp>

Inheritance diagram for CoinAbcAnyFactorization:

Public Member Functions
Constructors and destructor and copy
	CoinAbcAnyFactorization ()
	Default constructor. More...

	CoinAbcAnyFactorization (const CoinAbcAnyFactorization &other)
	Copy constructor. More...

virtual	~CoinAbcAnyFactorization ()
	Destructor. More...

CoinAbcAnyFactorization &	operator= (const CoinAbcAnyFactorization &other)
	= copy More...

virtual CoinAbcAnyFactorization *	clone () const =0
	Clone. More...

general stuff such as status
int	status () const
	Returns status. More...

void	setStatus (int value)
	Sets status. More...

int	pivots () const
	Returns number of pivots since factorization. More...

void	setPivots (int value)
	Sets number of pivots since factorization. More...

int	numberSlacks () const
	Returns number of slacks. More...

void	setNumberSlacks (int value)
	Sets number of slacks. More...

void	setNumberRows (int value)
	Set number of Rows after factorization. More...

int	numberRows () const
	Number of Rows after factorization. More...

CoinSimplexInt	numberDense () const
	Number of dense rows after factorization. More...

int	numberGoodColumns () const
	Number of good columns in factorization. More...

void	relaxAccuracyCheck (double value)
	Allows change of pivot accuracy check 1.0 == none >1.0 relaxed. More...

double	getAccuracyCheck () const

int	maximumPivots () const
	Maximum number of pivots between factorizations. More...

virtual void	maximumPivots (int value)
	Set maximum pivots. More...

double	pivotTolerance () const
	Pivot tolerance. More...

void	pivotTolerance (double value)

double	minimumPivotTolerance () const
	Minimum pivot tolerance. More...

void	minimumPivotTolerance (double value)

virtual CoinFactorizationDouble *	pivotRegion () const

double	areaFactor () const
	Area factor. More...

void	areaFactor (CoinSimplexDouble value)

double	zeroTolerance () const
	Zero tolerance. More...

void	zeroTolerance (double value)

virtual CoinFactorizationDouble *	elements () const
	Returns array to put basis elements in. More...

virtual int *	pivotRow () const
	Returns pivot row. More...

virtual CoinFactorizationDouble *	workArea () const
	Returns work area. More...

virtual int *	intWorkArea () const
	Returns int work area. More...

virtual int *	numberInRow () const
	Number of entries in each row. More...

virtual int *	numberInColumn () const
	Number of entries in each column. More...

virtual CoinBigIndex *	starts () const
	Returns array to put basis starts in. More...

virtual int *	permuteBack () const
	Returns permute back. More...

virtual void	goSparse ()
	Sees whether to go sparse. More...

virtual void	checkMarkArrays () const

int	solveMode () const
	Get solve mode e.g. More...

void	setSolveMode (int value)
	Set solve mode e.g. More...

virtual bool	wantsTableauColumn () const
	Returns true if wants tableauColumn in replaceColumn. More...

virtual void	setUsefulInformation (const int *info, int whereFrom)
	Useful information for factorization 0 - iteration number whereFrom is 0 for factorize and 1 for replaceColumn. More...

virtual void	clearArrays ()
	Get rid of all memory. More...

virtual general stuff such as permutation
virtual int *	indices () const =0
	Returns array to put basis indices in. More...

virtual int *	permute () const =0
	Returns permute in. More...

virtual int *	pivotColumn () const
	Returns pivotColumn or permute. More...

virtual int	numberElements () const =0
	Total number of elements in factorization. More...

Do factorization - public
virtual void	getAreas (int numberRows, int numberColumns, CoinBigIndex maximumL, CoinBigIndex maximumU)=0
	Gets space for a factorization. More...

virtual void	preProcess ()=0
	PreProcesses column ordered copy of basis. More...

virtual int	factor (AbcSimplex *model)=0
	Does most of factorization returning status 0 - OK -99 - needs more memory -1 - singular - use numberGoodColumns and redo. More...

virtual void	postProcess (const int sequence, int pivotVariable)=0
	Does post processing on valid factorization - putting variables on correct rows. More...

virtual void	makeNonSingular (int *sequence)=0
	Makes a non-singular basis by replacing variables. More...

rank one updates which do exist
virtual double	checkReplacePart1 (CoinIndexedVector *, int)
	Checks if can replace one Column to basis, returns update alpha Fills in region for use later partial update already in U. More...

virtual double	checkReplacePart1 (CoinIndexedVector , CoinIndexedVector , int)

virtual void	checkReplacePart1a (CoinIndexedVector *, int)

virtual double	checkReplacePart1b (CoinIndexedVector *, int)

virtual int	checkReplacePart2 (int pivotRow, double btranAlpha, double ftranAlpha, double ftAlpha, double acceptablePivot=1.0e-8)=0
	Checks if can replace one Column to basis, returns 0=OK, 1=Probably OK, 2=singular, 3=no room, 5 max pivots. More...

virtual void	replaceColumnPart3 (const AbcSimplex model, CoinIndexedVector regionSparse, CoinIndexedVector *tableauColumn, int pivotRow, double alpha)=0
	Replaces one Column to basis, partial update already in U. More...

virtual void	replaceColumnPart3 (const AbcSimplex model, CoinIndexedVector regionSparse, CoinIndexedVector tableauColumn, CoinIndexedVector partialUpdate, int pivotRow, double alpha)=0
	Replaces one Column to basis, partial update in vector. More...

various uses of factorization (return code number elements)
which user may want to know about
virtual int	updateColumnFT (CoinIndexedVector &regionSparse)=0
	Updates one column (FTRAN) from unpacked regionSparse Tries to do FT update number returned is negative if no room. More...

virtual int	updateColumnFTPart1 (CoinIndexedVector &regionSparse)=0

virtual void	updateColumnFTPart2 (CoinIndexedVector &regionSparse)=0

virtual void	updateColumnFT (CoinIndexedVector &regionSparseFT, CoinIndexedVector &partialUpdate, int which)=0

virtual int	updateColumn (CoinIndexedVector &regionSparse) const =0
	This version has same effect as above with FTUpdate==false so number returned is always >=0. More...

virtual int	updateTwoColumnsFT (CoinIndexedVector &regionFT, CoinIndexedVector &regionOther)=0
	does FTRAN on two unpacked columns More...

virtual int	updateColumnTranspose (CoinIndexedVector &regionSparse) const =0
	Updates one column (BTRAN) from unpacked regionSparse. More...

virtual void	updateFullColumn (CoinIndexedVector &regionSparse) const =0
	This version does FTRAN on array when indices not set up. More...

virtual void	updateFullColumnTranspose (CoinIndexedVector &regionSparse) const =0
	Updates one column (BTRAN) from unpacked regionSparse. More...

virtual void	updateWeights (CoinIndexedVector &regionSparse) const =0
	Updates one column for dual steepest edge weights (FTRAN) More...

virtual void	updateColumnCpu (CoinIndexedVector &regionSparse, int whichCpu) const
	Updates one column (FTRAN) More...

virtual void	updateColumnTransposeCpu (CoinIndexedVector &regionSparse, int whichCpu) const
	Updates one column (BTRAN) More...

Protected Attributes
data
double	pivotTolerance_
	Pivot tolerance. More...

double	minimumPivotTolerance_
	Minimum pivot tolerance. More...

double	areaFactor_
	Area factor. More...

double	zeroTolerance_
	Zero tolerance. More...

double	relaxCheck_
	Relax check on accuracy in replaceColumn. More...

CoinBigIndex	factorElements_
	Number of elements after factorization. More...

int	numberRows_
	Number of Rows in factorization. More...

int	numberDense_
	Number of dense rows in factorization. More...

int	numberGoodU_
	Number factorized in U (not row singletons) More...

int	maximumPivots_
	Maximum number of pivots before factorization. More...

int	numberPivots_
	Number pivots since last factorization. More...

int	numberSlacks_
	Number slacks. More...

int	status_
	Status of factorization. More...

int	maximumRows_
	Maximum rows ever (i.e. use to copy arrays etc) More...

int *	pivotRow_
	Pivot row. More...

CoinFactorizationDouble *	elements_
	Elements of factorization and updates length is maxRmaxR+maxSpace will always be long enough so can have nRnR ints in maxSpace. More...

CoinFactorizationDouble *	workArea_
	Work area of numberRows_. More...

int	solveMode_
	Solve mode e.g. More...

Detailed Description

Abstract base class which also has some scalars so can be used from Dense or Simp.

Definition at line 23 of file CoinAbcDenseFactorization.hpp.

Constructor & Destructor Documentation

◆ CoinAbcAnyFactorization() [1/2]

CoinAbcAnyFactorization::CoinAbcAnyFactorization ( )

Default constructor.

◆ CoinAbcAnyFactorization() [2/2]

CoinAbcAnyFactorization::CoinAbcAnyFactorization ( const CoinAbcAnyFactorization & other )

Copy constructor.

◆ ~CoinAbcAnyFactorization()

virtual CoinAbcAnyFactorization::~CoinAbcAnyFactorization ( )

virtual

Destructor.

Member Function Documentation

◆ operator=()

CoinAbcAnyFactorization& CoinAbcAnyFactorization::operator= ( const CoinAbcAnyFactorization & other )

= copy

◆ clone()

virtual CoinAbcAnyFactorization* CoinAbcAnyFactorization::clone ( ) const

pure virtual

Clone.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ status()

int CoinAbcAnyFactorization::status ( ) const

inline

Returns status.

Definition at line 45 of file CoinAbcDenseFactorization.hpp.

◆ setStatus()

void CoinAbcAnyFactorization::setStatus ( int value )

inline

Sets status.

Definition at line 50 of file CoinAbcDenseFactorization.hpp.

◆ pivots()

int CoinAbcAnyFactorization::pivots ( ) const

inline

Returns number of pivots since factorization.

Definition at line 55 of file CoinAbcDenseFactorization.hpp.

◆ setPivots()

void CoinAbcAnyFactorization::setPivots ( int value )

inline

Sets number of pivots since factorization.

Definition at line 67 of file CoinAbcDenseFactorization.hpp.

◆ numberSlacks()

int CoinAbcAnyFactorization::numberSlacks ( ) const

inline

Returns number of slacks.

Definition at line 72 of file CoinAbcDenseFactorization.hpp.

◆ setNumberSlacks()

void CoinAbcAnyFactorization::setNumberSlacks ( int value )

inline

Sets number of slacks.

Definition at line 77 of file CoinAbcDenseFactorization.hpp.

◆ setNumberRows()

void CoinAbcAnyFactorization::setNumberRows ( int value )

inline

Set number of Rows after factorization.

Definition at line 82 of file CoinAbcDenseFactorization.hpp.

◆ numberRows()

int CoinAbcAnyFactorization::numberRows ( ) const

inline

Number of Rows after factorization.

Definition at line 87 of file CoinAbcDenseFactorization.hpp.

◆ numberDense()

CoinSimplexInt CoinAbcAnyFactorization::numberDense ( ) const

inline

Number of dense rows after factorization.

Definition at line 92 of file CoinAbcDenseFactorization.hpp.

◆ numberGoodColumns()

int CoinAbcAnyFactorization::numberGoodColumns ( ) const

inline

Number of good columns in factorization.

Definition at line 97 of file CoinAbcDenseFactorization.hpp.

◆ relaxAccuracyCheck()

void CoinAbcAnyFactorization::relaxAccuracyCheck ( double value )

inline

Allows change of pivot accuracy check 1.0 == none >1.0 relaxed.

Definition at line 102 of file CoinAbcDenseFactorization.hpp.

◆ getAccuracyCheck()

double CoinAbcAnyFactorization::getAccuracyCheck ( ) const

inline

Definition at line 106 of file CoinAbcDenseFactorization.hpp.

◆ maximumPivots() [1/2]

int CoinAbcAnyFactorization::maximumPivots ( ) const

inline

Maximum number of pivots between factorizations.

Definition at line 111 of file CoinAbcDenseFactorization.hpp.

◆ maximumPivots() [2/2]

virtual void CoinAbcAnyFactorization::maximumPivots ( int value )

virtual

Set maximum pivots.

Reimplemented in CoinAbcTypeFactorization.

◆ pivotTolerance() [1/2]

double CoinAbcAnyFactorization::pivotTolerance ( ) const

inline

Pivot tolerance.

Definition at line 119 of file CoinAbcDenseFactorization.hpp.

◆ pivotTolerance() [2/2]

void CoinAbcAnyFactorization::pivotTolerance ( double value )

◆ minimumPivotTolerance() [1/2]

double CoinAbcAnyFactorization::minimumPivotTolerance ( ) const

inline

Minimum pivot tolerance.

Definition at line 125 of file CoinAbcDenseFactorization.hpp.

◆ minimumPivotTolerance() [2/2]

void CoinAbcAnyFactorization::minimumPivotTolerance ( double value )

◆ pivotRegion()

virtual CoinFactorizationDouble* CoinAbcAnyFactorization::pivotRegion ( ) const

inlinevirtual

Reimplemented in CoinAbcTypeFactorization.

Definition at line 130 of file CoinAbcDenseFactorization.hpp.

◆ areaFactor() [1/2]

double CoinAbcAnyFactorization::areaFactor ( ) const

inline

Area factor.

Definition at line 135 of file CoinAbcDenseFactorization.hpp.

◆ areaFactor() [2/2]

void CoinAbcAnyFactorization::areaFactor ( CoinSimplexDouble value )

inline

Definition at line 139 of file CoinAbcDenseFactorization.hpp.

◆ zeroTolerance() [1/2]

double CoinAbcAnyFactorization::zeroTolerance ( ) const

inline

Zero tolerance.

Definition at line 144 of file CoinAbcDenseFactorization.hpp.

◆ zeroTolerance() [2/2]

void CoinAbcAnyFactorization::zeroTolerance ( double value )

◆ elements()

virtual CoinFactorizationDouble* CoinAbcAnyFactorization::elements ( ) const

virtual

Returns array to put basis elements in.

Reimplemented in CoinAbcTypeFactorization.

◆ pivotRow()

virtual int* CoinAbcAnyFactorization::pivotRow ( ) const

virtual

Returns pivot row.

◆ workArea()

virtual CoinFactorizationDouble* CoinAbcAnyFactorization::workArea ( ) const

virtual

Returns work area.

◆ intWorkArea()

virtual int* CoinAbcAnyFactorization::intWorkArea ( ) const

virtual

Returns int work area.

◆ numberInRow()

virtual int* CoinAbcAnyFactorization::numberInRow ( ) const

virtual

Number of entries in each row.

Reimplemented in CoinAbcTypeFactorization.

◆ numberInColumn()

virtual int* CoinAbcAnyFactorization::numberInColumn ( ) const

virtual

Number of entries in each column.

Reimplemented in CoinAbcTypeFactorization.

◆ starts()

virtual CoinBigIndex* CoinAbcAnyFactorization::starts ( ) const

virtual

Returns array to put basis starts in.

Reimplemented in CoinAbcTypeFactorization.

◆ permuteBack()

virtual int* CoinAbcAnyFactorization::permuteBack ( ) const

virtual

Returns permute back.

◆ goSparse()

virtual void CoinAbcAnyFactorization::goSparse ( )

inlinevirtual

Sees whether to go sparse.

Reimplemented in CoinAbcTypeFactorization.

Definition at line 166 of file CoinAbcDenseFactorization.hpp.

◆ checkMarkArrays()

virtual void CoinAbcAnyFactorization::checkMarkArrays ( ) const

inlinevirtual

Reimplemented in CoinAbcTypeFactorization.

Definition at line 168 of file CoinAbcDenseFactorization.hpp.

◆ solveMode()

int CoinAbcAnyFactorization::solveMode ( ) const

inline

Get solve mode e.g.

0 C++ code, 1 Lapack, 2 choose If 4 set then values pass if 8 set then has iterated

Definition at line 176 of file CoinAbcDenseFactorization.hpp.

◆ setSolveMode()

void CoinAbcAnyFactorization::setSolveMode ( int value )

inline

Set solve mode e.g.

0 C++ code, 1 Lapack, 2 choose If 4 set then values pass if 8 set then has iterated

Definition at line 184 of file CoinAbcDenseFactorization.hpp.

◆ wantsTableauColumn()

virtual bool CoinAbcAnyFactorization::wantsTableauColumn ( ) const

virtual

Returns true if wants tableauColumn in replaceColumn.

Reimplemented in CoinAbcTypeFactorization.

◆ setUsefulInformation()

virtual void CoinAbcAnyFactorization::setUsefulInformation	(	const int *	info,
		int	whereFrom
	)

virtual

Useful information for factorization 0 - iteration number whereFrom is 0 for factorize and 1 for replaceColumn.

◆ clearArrays()

virtual void CoinAbcAnyFactorization::clearArrays ( )

inlinevirtual

Get rid of all memory.

Reimplemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

Definition at line 196 of file CoinAbcDenseFactorization.hpp.

◆ indices()

virtual int* CoinAbcAnyFactorization::indices ( ) const

pure virtual

Returns array to put basis indices in.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ permute()

virtual int* CoinAbcAnyFactorization::permute ( ) const

pure virtual

Returns permute in.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ pivotColumn()

virtual int* CoinAbcAnyFactorization::pivotColumn ( ) const

virtual

Returns pivotColumn or permute.

Reimplemented in CoinAbcTypeFactorization.

◆ numberElements()

virtual int CoinAbcAnyFactorization::numberElements ( ) const

pure virtual

Total number of elements in factorization.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ getAreas()

virtual void CoinAbcAnyFactorization::getAreas	(	int	numberRows,
		int	numberColumns,
		CoinBigIndex	maximumL,
		CoinBigIndex	maximumU
	)

pure virtual

Gets space for a factorization.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ preProcess()

virtual void CoinAbcAnyFactorization::preProcess ( )

pure virtual

PreProcesses column ordered copy of basis.

Implemented in CoinAbcTypeFactorization, and CoinAbcDenseFactorization.

◆ factor()

virtual int CoinAbcAnyFactorization::factor ( AbcSimplex * model )

pure virtual

Does most of factorization returning status 0 - OK -99 - needs more memory -1 - singular - use numberGoodColumns and redo.

Implemented in CoinAbcTypeFactorization, and CoinAbcDenseFactorization.

◆ postProcess()

virtual void CoinAbcAnyFactorization::postProcess	(	const int *	sequence,
		int *	pivotVariable
	)

pure virtual

Does post processing on valid factorization - putting variables on correct rows.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ makeNonSingular()

virtual void CoinAbcAnyFactorization::makeNonSingular ( int * sequence )

pure virtual

Makes a non-singular basis by replacing variables.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ checkReplacePart1() [1/2]

virtual double CoinAbcAnyFactorization::checkReplacePart1	(	CoinIndexedVector *	,
		int
	)

inlinevirtual

Checks if can replace one Column to basis, returns update alpha Fills in region for use later partial update already in U.

Reimplemented in CoinAbcTypeFactorization.

Definition at line 283 of file CoinAbcDenseFactorization.hpp.

◆ checkReplacePart1() [2/2]

virtual double CoinAbcAnyFactorization::checkReplacePart1	(	CoinIndexedVector *	,
		CoinIndexedVector *	,
		int
	)

inlinevirtual

Reimplemented in CoinAbcTypeFactorization.

Definition at line 293 of file CoinAbcDenseFactorization.hpp.

◆ checkReplacePart1a()

virtual void CoinAbcAnyFactorization::checkReplacePart1a	(	CoinIndexedVector *	,
		int
	)

inlinevirtual

Definition at line 299 of file CoinAbcDenseFactorization.hpp.

◆ checkReplacePart1b()

virtual double CoinAbcAnyFactorization::checkReplacePart1b	(	CoinIndexedVector *	,
		int
	)

inlinevirtual

Definition at line 303 of file CoinAbcDenseFactorization.hpp.

◆ checkReplacePart2()

virtual int CoinAbcAnyFactorization::checkReplacePart2	(	int	pivotRow,
		double	btranAlpha,
		double	ftranAlpha,
		double	ftAlpha,
		double	acceptablePivot = `1.0e-8`
	)

pure virtual

Checks if can replace one Column to basis, returns 0=OK, 1=Probably OK, 2=singular, 3=no room, 5 max pivots.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ replaceColumnPart3() [1/2]

virtual void CoinAbcAnyFactorization::replaceColumnPart3	(	const AbcSimplex *	model,
		CoinIndexedVector *	regionSparse,
		CoinIndexedVector *	tableauColumn,
		int	pivotRow,
		double	alpha
	)

pure virtual

Replaces one Column to basis, partial update already in U.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ replaceColumnPart3() [2/2]

virtual void CoinAbcAnyFactorization::replaceColumnPart3	(	const AbcSimplex *	model,
		CoinIndexedVector *	regionSparse,
		CoinIndexedVector *	tableauColumn,
		CoinIndexedVector *	partialUpdate,
		int	pivotRow,
		double	alpha
	)

pure virtual

Replaces one Column to basis, partial update in vector.

Implemented in CoinAbcTypeFactorization, and CoinAbcDenseFactorization.

◆ updateColumnFT() [1/2]

virtual int CoinAbcAnyFactorization::updateColumnFT ( CoinIndexedVector & regionSparse )

pure virtual

Updates one column (FTRAN) from unpacked regionSparse Tries to do FT update number returned is negative if no room.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateColumnFTPart1()

virtual int CoinAbcAnyFactorization::updateColumnFTPart1 ( CoinIndexedVector & regionSparse )

pure virtual

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateColumnFTPart2()

virtual void CoinAbcAnyFactorization::updateColumnFTPart2 ( CoinIndexedVector & regionSparse )

pure virtual

Implemented in CoinAbcTypeFactorization, and CoinAbcDenseFactorization.

◆ updateColumnFT() [2/2]

virtual void CoinAbcAnyFactorization::updateColumnFT	(	CoinIndexedVector &	regionSparseFT,
		CoinIndexedVector &	partialUpdate,
		int	which
	)

pure virtual

Implemented in CoinAbcTypeFactorization, and CoinAbcDenseFactorization.

◆ updateColumn()

virtual int CoinAbcAnyFactorization::updateColumn ( CoinIndexedVector & regionSparse ) const

pure virtual

This version has same effect as above with FTUpdate==false so number returned is always >=0.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateTwoColumnsFT()

virtual int CoinAbcAnyFactorization::updateTwoColumnsFT	(	CoinIndexedVector &	regionFT,
		CoinIndexedVector &	regionOther
	)

pure virtual

does FTRAN on two unpacked columns

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateColumnTranspose()

virtual int CoinAbcAnyFactorization::updateColumnTranspose ( CoinIndexedVector & regionSparse ) const

pure virtual

Updates one column (BTRAN) from unpacked regionSparse.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateFullColumn()

virtual void CoinAbcAnyFactorization::updateFullColumn ( CoinIndexedVector & regionSparse ) const

pure virtual

This version does FTRAN on array when indices not set up.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateFullColumnTranspose()

virtual void CoinAbcAnyFactorization::updateFullColumnTranspose ( CoinIndexedVector & regionSparse ) const

pure virtual

Updates one column (BTRAN) from unpacked regionSparse.

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateWeights()

virtual void CoinAbcAnyFactorization::updateWeights ( CoinIndexedVector & regionSparse ) const

pure virtual

Updates one column for dual steepest edge weights (FTRAN)

Implemented in CoinAbcDenseFactorization, and CoinAbcTypeFactorization.

◆ updateColumnCpu()

virtual void CoinAbcAnyFactorization::updateColumnCpu	(	CoinIndexedVector &	regionSparse,
		int	whichCpu
	)		const

virtual

Updates one column (FTRAN)

Reimplemented in CoinAbcTypeFactorization.

◆ updateColumnTransposeCpu()

virtual void CoinAbcAnyFactorization::updateColumnTransposeCpu	(	CoinIndexedVector &	regionSparse,
		int	whichCpu
	)		const

virtual

Updates one column (BTRAN)

Reimplemented in CoinAbcTypeFactorization.

Member Data Documentation

◆ pivotTolerance_

double CoinAbcAnyFactorization::pivotTolerance_

protected

Pivot tolerance.

Definition at line 386 of file CoinAbcDenseFactorization.hpp.

◆ minimumPivotTolerance_

double CoinAbcAnyFactorization::minimumPivotTolerance_

protected

Minimum pivot tolerance.

Definition at line 388 of file CoinAbcDenseFactorization.hpp.

◆ areaFactor_

double CoinAbcAnyFactorization::areaFactor_

protected

Area factor.

Definition at line 390 of file CoinAbcDenseFactorization.hpp.

◆ zeroTolerance_

double CoinAbcAnyFactorization::zeroTolerance_

protected

Zero tolerance.

Definition at line 392 of file CoinAbcDenseFactorization.hpp.

◆ relaxCheck_

double CoinAbcAnyFactorization::relaxCheck_

protected

Relax check on accuracy in replaceColumn.

Definition at line 397 of file CoinAbcDenseFactorization.hpp.

◆ factorElements_

CoinBigIndex CoinAbcAnyFactorization::factorElements_

protected

Number of elements after factorization.

Definition at line 399 of file CoinAbcDenseFactorization.hpp.

◆ numberRows_

int CoinAbcAnyFactorization::numberRows_

protected

Number of Rows in factorization.

Definition at line 401 of file CoinAbcDenseFactorization.hpp.

◆ numberDense_

int CoinAbcAnyFactorization::numberDense_

protected

Number of dense rows in factorization.

Definition at line 403 of file CoinAbcDenseFactorization.hpp.

◆ numberGoodU_

int CoinAbcAnyFactorization::numberGoodU_

protected

Number factorized in U (not row singletons)

Definition at line 405 of file CoinAbcDenseFactorization.hpp.

◆ maximumPivots_

int CoinAbcAnyFactorization::maximumPivots_

protected

Maximum number of pivots before factorization.

Definition at line 407 of file CoinAbcDenseFactorization.hpp.

◆ numberPivots_

int CoinAbcAnyFactorization::numberPivots_

protected

Number pivots since last factorization.

Definition at line 409 of file CoinAbcDenseFactorization.hpp.

◆ numberSlacks_

int CoinAbcAnyFactorization::numberSlacks_

protected

Number slacks.

Definition at line 411 of file CoinAbcDenseFactorization.hpp.

◆ status_

int CoinAbcAnyFactorization::status_

protected

Status of factorization.

Definition at line 413 of file CoinAbcDenseFactorization.hpp.

◆ maximumRows_

int CoinAbcAnyFactorization::maximumRows_

protected

Maximum rows ever (i.e. use to copy arrays etc)

Definition at line 415 of file CoinAbcDenseFactorization.hpp.

◆ pivotRow_

int* CoinAbcAnyFactorization::pivotRow_

protected

Pivot row.

Definition at line 420 of file CoinAbcDenseFactorization.hpp.

◆ elements_

CoinFactorizationDouble* CoinAbcAnyFactorization::elements_

protected

Elements of factorization and updates length is maxR*maxR+maxSpace will always be long enough so can have nR*nR ints in maxSpace.

Definition at line 425 of file CoinAbcDenseFactorization.hpp.

◆ workArea_

CoinFactorizationDouble* CoinAbcAnyFactorization::workArea_

protected

Work area of numberRows_.

Definition at line 427 of file CoinAbcDenseFactorization.hpp.

◆ solveMode_

int CoinAbcAnyFactorization::solveMode_

protected

Solve mode e.g.

0 C++ code, 1 Lapack, 2 choose If 4 set then values pass if 8 set then has iterated

Definition at line 432 of file CoinAbcDenseFactorization.hpp.

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

/home/ted/tmp/tmp/Clp/Clp/src/CoinAbcDenseFactorization.hpp

Public Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ CoinAbcAnyFactorization() [1/2]

◆ CoinAbcAnyFactorization() [2/2]

◆ ~CoinAbcAnyFactorization()

Member Function Documentation

◆ operator=()

◆ clone()

◆ status()

◆ setStatus()

◆ pivots()

◆ setPivots()

◆ numberSlacks()

◆ setNumberSlacks()

◆ setNumberRows()

◆ numberRows()

◆ numberDense()

◆ numberGoodColumns()

◆ relaxAccuracyCheck()

◆ getAccuracyCheck()

◆ maximumPivots() [1/2]

◆ maximumPivots() [2/2]

◆ pivotTolerance() [1/2]

◆ pivotTolerance() [2/2]

◆ minimumPivotTolerance() [1/2]

◆ minimumPivotTolerance() [2/2]

◆ pivotRegion()

◆ areaFactor() [1/2]

◆ areaFactor() [2/2]

◆ zeroTolerance() [1/2]

◆ zeroTolerance() [2/2]

◆ elements()

◆ pivotRow()

◆ workArea()

◆ intWorkArea()

◆ numberInRow()

◆ numberInColumn()

◆ starts()

◆ permuteBack()

◆ goSparse()

◆ checkMarkArrays()

◆ solveMode()

◆ setSolveMode()

◆ wantsTableauColumn()

◆ setUsefulInformation()

◆ clearArrays()

◆ indices()

◆ permute()

◆ pivotColumn()

◆ numberElements()

◆ getAreas()

◆ preProcess()

◆ factor()

◆ postProcess()

◆ makeNonSingular()

◆ checkReplacePart1() [1/2]

◆ checkReplacePart1() [2/2]

◆ checkReplacePart1a()

◆ checkReplacePart1b()

◆ checkReplacePart2()

◆ replaceColumnPart3() [1/2]

◆ replaceColumnPart3() [2/2]

◆ updateColumnFT() [1/2]

◆ updateColumnFTPart1()

◆ updateColumnFTPart2()

◆ updateColumnFT() [2/2]

◆ updateColumn()

◆ updateTwoColumnsFT()

◆ updateColumnTranspose()

◆ updateFullColumn()

◆ updateFullColumnTranspose()

◆ updateWeights()

◆ updateColumnCpu()

◆ updateColumnTransposeCpu()

Member Data Documentation

◆ pivotTolerance_

◆ minimumPivotTolerance_

◆ areaFactor_