MatrixSparseBandSymmetric Class Reference

Inheritance diagram for MatrixSparseBandSymmetric:

Public Member Functions
unsigned int	size () const
	returns the size of the matrix
void	deallocate ()
	base for destructor
	MatrixSparseBandSymmetric ()
	default constructor
virtual	~MatrixSparseBandSymmetric ()
	default destructor
void	makeZero ()
	set all the element to zero
void	allocate (unsigned int sz, unsigned int diagonals)
	allocate the matrix, specifying the number of off diagonal
void	allocate (unsigned int sz)
	allocate the matrix to hold ( sz * sz )
real *	addr (index_type x, index_type y) const
	returns the address of element at (x, y), no allocation is done
real &	operator() (index_type x, index_type y)
	returns the address of element at (x, y), allocating if necessary
void	scale (real a)
	scale the matrix by a scalar factor
void	addDiagonalBlock (real *M, index_type x, unsigned int sx) const
	add the diagonal block ( x, x, x+sx, x+sx ) from this matrix to M
void	addTriangularBlock (real *M, index_type x, unsigned int sx) const
	add the upper triagular block ( x, x, x+sx, x+sx ) from this matrix to M
void	vecMulAdd (const real *X, real *Y) const
	multiplication of a vector: Y = Y + M * X, dim(X) = dim(M)
void	vecMulAddIso2D (const real *X, real *Y) const
	2D isotropic multiplication of a vector: Y = Y + M * X
void	vecMulAddIso3D (const real *X, real *Y) const
	3D isotropic multiplication of a vector: Y = Y + M * X
bool	nonZero () const
	true if matrix is non-zero
unsigned int	nbNonZeroElements () const
	number of element which are non-zero
std::string	what () const
	returns a string which a description of the type of matrix
void	printSparse (std::ostream &) const
	printf debug function in sparse mode: i, j : value
int	bad () const
	debug function
Public Member Functions inherited from Matrix
	Matrix ()
	empty constructor
virtual	~Matrix ()
	empty destructor
real	value (index_type x, index_type y) const
	returns the value of element at (x, y) or zero if not allocated
void	copyBlock (real *M, index_type x, unsigned int sx, index_type y, unsigned int sy) const
	copy the block ( x, y, x+sx, y+sy ) from this matrix into M
virtual void	prepareForMultiply ()
	Optional optimization to accelerate multiplications below.
virtual void	vecMul (const real *X, real *Y) const
	Vector multiplication: Y <- M * X, size(X) = size(Y) = size(M)
virtual real	maxNorm () const
	maximum absolute value considering all the elements
virtual void	printFull (std::ostream &) const
	printf debug function in full lines, all columns

Additional Inherited Members
Public Types inherited from Matrix
typedef unsigned int	index_type
	type of an index into the matrix