AbcMatrix3 Class Reference

#include <AbcMatrix.hpp>

Collaboration diagram for AbcMatrix3:

Public Member Functions
Useful methods
void	transposeTimes (const AbcSimplex *model, const double *pi, CoinIndexedVector &output) const
	Return x * -1 * A in z. More...
void	transposeTimes2 (const AbcSimplex *model, const double *pi, CoinIndexedVector &dj1, const double *piWeight, double referenceIn, double devex, unsigned int *reference, double *weights, double scaleFactor)
	Updates two arrays for steepest. More...
Constructors, destructor
	AbcMatrix3 ()
	Default constructor. More...
	AbcMatrix3 (AbcSimplex *model, const CoinPackedMatrix *columnCopy)
	Constructor from copy. More...
	~AbcMatrix3 ()
	Destructor. More...
Copy method
	AbcMatrix3 (const AbcMatrix3 &)
	The copy constructor. More...
AbcMatrix3 &	operator= (const AbcMatrix3 &)
Sort methods
void	sortBlocks (const AbcSimplex *model)
	Sort blocks. More...
void	swapOne (const AbcSimplex *model, const AbcMatrix *matrix, int iColumn)
	Swap one variable. More...

Protected Attributes
Data members
The data members are protected to allow access for derived classes.
int	numberBlocks_
	Number of blocks. More...
int	numberColumns_
	Number of columns. More...
int *	column_
	Column indices and reverse lookup (within block) More...
CoinBigIndex *	start_
	Starts for odd/long vectors. More...
int *	row_
	Rows. More...
double *	element_
	Elements. More...
blockStruct *	block_
	Blocks (ordinary start at 0 and go to first block) More...

Detailed Description

Definition at line 605 of file AbcMatrix.hpp.

Constructor & Destructor Documentation

AbcMatrix3::AbcMatrix3

(

)

Default constructor.

AbcMatrix3::AbcMatrix3	(	AbcSimplex *	model,
		const CoinPackedMatrix *	columnCopy
	)

Constructor from copy.

AbcMatrix3::~AbcMatrix3

(

)

Destructor.

AbcMatrix3::AbcMatrix3

(

const AbcMatrix3 &

)

The copy constructor.

Member Function Documentation

void AbcMatrix3::transposeTimes	(	const AbcSimplex *	model,
		const double *	pi,
		CoinIndexedVector &	output
	)		const

Return x * -1 * A in z.

Note - x packed and z will be packed mode Squashes small elements and knows about AbcSimplex

void AbcMatrix3::transposeTimes2	(	const AbcSimplex *	model,
		const double *	pi,
		CoinIndexedVector &	dj1,
		const double *	piWeight,
		double	referenceIn,
		double	devex,
		unsigned int *	reference,
		double *	weights,
		double	scaleFactor
	)

Updates two arrays for steepest.

AbcMatrix3& AbcMatrix3::operator=

(

const AbcMatrix3 &

)

void AbcMatrix3::sortBlocks

(

const AbcSimplex *

model

)

Sort blocks.

void AbcMatrix3::swapOne	(	const AbcSimplex *	model,
		const AbcMatrix *	matrix,
		int	iColumn
	)

Swap one variable.

Member Data Documentation

int AbcMatrix3::numberBlocks_

protected

Number of blocks.

Definition at line 656 of file AbcMatrix.hpp.

int AbcMatrix3::numberColumns_

protected

Number of columns.

Definition at line 658 of file AbcMatrix.hpp.

int* AbcMatrix3::column_

protected

Column indices and reverse lookup (within block)

Definition at line 660 of file AbcMatrix.hpp.

CoinBigIndex* AbcMatrix3::start_

protected

Starts for odd/long vectors.

Definition at line 662 of file AbcMatrix.hpp.

int* AbcMatrix3::row_

protected

Rows.

Definition at line 664 of file AbcMatrix.hpp.

double* AbcMatrix3::element_

protected

Elements.

Definition at line 666 of file AbcMatrix.hpp.

blockStruct* AbcMatrix3::block_

protected

Blocks (ordinary start at 0 and go to first block)

Definition at line 668 of file AbcMatrix.hpp.

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

• /tmp/Cbc-2.10.5/Clp/src/AbcMatrix.hpp