#include <tnt_sparse_matrix_csr.h>

Public Member Functions
	Sparse_Matrix_CompRow (const Sparse_Matrix_CompRow &S)

	Sparse_Matrix_CompRow (int M, int N, int nz, const T val, const int r, const int *c)

const T &	val (int i) const

const int &	row_ptr (int i) const

const int &	col_ind (int i) const

int	dim1 () const

int	dim2 () const

int	NumNonzeros () const

Sparse_Matrix_CompRow &	operator= (const Sparse_Matrix_CompRow &R)

Private Attributes
Array1D< T >	val_

Array1D< int >	rowptr_

Array1D< int >	colind_

int	dim1_

int	dim2_

Detailed Description

template<class T>
class TNT::Sparse_Matrix_CompRow< T >

Read-only view of a sparse matrix in compressed-row storage format. Neither array elements (nonzeros) nor sparsity structure can be modified. If modifications are required, create a new view.

Index values begin at 0.

Storage requirements: An (m x n) matrix with nz nonzeros requires no more than ((T+I)*nz + M*I) bytes, where T is the size of data elements and I is the size of integers.

Constructor & Destructor Documentation

◆ Sparse_Matrix_CompRow() [1/2]

Sparse_Matrix_CompRow ( const Sparse_Matrix_CompRow< T > & S )

◆ Sparse_Matrix_CompRow() [2/2]

Sparse_Matrix_CompRow	(	int	M,
		int	N,
		int	nz,
		const T *	val,
		const int *	r,
		const int *	c
	)

Construct a read-only view of existing sparse matrix in compressed-row storage format.

Parameters

M	the number of rows of sparse matrix
N	the number of columns of sparse matrix
nz	the number of nonzeros
val	a contiguous list of nonzero values
r	row-pointers: r[i] denotes the begining position of row i (i.e. the ith row begins at val[row[i]]).
c	column-indices: c[i] denotes the column location of val[i]