CGAL::Lapack_matrix Class Reference

#include <CGAL/Lapack_svd.h>

Definition

In CLAPACK, matrices are one-dimensional arrays and elements are column-major ordered.

This class is a wrapper defining set and get in the usual way with line and column indices.

Is Model Of:

SvdTraits::Matrix

Public Member Functions
	Lapack_matrix (size_t n1, size_t n2)
	Initializes all the elements of the matrix to zero.
	~Lapack_matrix ()
size_t	number_of_rows ()
	Return the number of rows of the matrix.
size_t	number_of_columns ()
	Return the number of columns of the matrix.
const FT *	matrix () const
	Return the matrix as an array.
FT *	matrix ()
	Return the matrix as an array.
FT	operator() (size_t i, size_t j)
	Return the entry at row i and column j, i from 0 to number_of_rows - 1, j from 0 to number_of_columns - 1. More...
void	set (size_t i, size_t j, const FT value)
	Set the entry at row i and column j to value.

Protected Attributes
FT *	m_matrix
size_t	nb_rows
size_t	nb_columns

Member Function Documentation

operator()()

FT CGAL::Lapack_matrix::operator()	(	size_t	i,
		size_t	j
	)

Return the entry at row i and column j, i from 0 to number_of_rows - 1, j from 0 to number_of_columns - 1.