Matrix extended with structural information for a Jacobian. More...

#include <Omu_Dependents.h>

Inheritance diagram for Omu_Jacobian:

Public Member Functions
	Omu_Jacobian ()
	Create an empty matrix. More...

	~Omu_Jacobian ()
	Free memory. More...

Query properties of Jacobian matrix.
The properties are checked with analyze_struct().
bool	is_zero () const
	zero matrix

bool	is_diagonal () const
	diagonal matrix

bool	is_ident () const
	identity matrix

bool	is_scalar_constant () const
	constant scalar matrix (is_constant and is_diagonal and J[i][i]==J[0][0], i = 1,...,min(nrows,ncols)-1)

bool	is_constant () const
	constant matrix

int	sbw () const
	semi-bandwidth, i.e. More...

int	sbw_lower () const
	lower semi-bandwidth

int	sbw_upper () const
	upper semi-bandwidth

bool	is_zero_row (int i) const
	row i is zero

bool	is_zero_column (int j) const
	column j is zero

Public Member Functions inherited from Mesch::MATP
	MATP ()

	MATP (MAT *cm)

MAT *	operator= (MAT *nm)

Real *	operator[] (int i)

MAT *	operator-> ()

	operator MAT * ()

	operator const MAT * ()

const Real *	operator[] (int i) const

const MAT *	operator-> () const

	operator const MAT * () const

Protected Member Functions
void	size (int nrows, int ncols)
	Allocate and initialize Jacobian. More...

void	adapt_size (int nrows)
	Resize dimension without reinitializing memory. More...

void	analyze_struct (bool is_constant)
	Obtain properties for current matrix. More...

Protected Attributes
bool	_is_zero

bool	_is_ident

bool	_is_scalar_constant

bool	_is_constant

int	_sbw_lower

int	_sbw_upper

IVECP	_zero_rows

IVECP	_zero_cols

Protected Attributes inherited from Mesch::MATP
MAT *	_m
	wrapped MAT*

Detailed Description

Matrix extended with structural information for a Jacobian.

Constructor & Destructor Documentation

Omu_Jacobian::Omu_Jacobian ( )

Create an empty matrix.

Omu_Jacobian::~Omu_Jacobian ( )

Free memory.

void Omu_Jacobian::adapt_size ( int nrows )

protected

Resize dimension without reinitializing memory.

Argument nrows must not be larger than allocated nrows.

void Omu_Jacobian::analyze_struct ( bool is_constant )

protected

Obtain properties for current matrix.

int Omu_Jacobian::sbw ( ) const

inline

semi-bandwidth, i.e.

number of side diagonals

References max.

protected

Allocate and initialize Jacobian.

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