detray::algebra::fastor::storage::block_getter Struct Reference

Functor used to extract a block from Fastor matrices. More...

#include <algebra/impl/fastor_getter.hpp>

Public Member Functions
template<std::size_t ROWS, std::size_t COLS, std::size_t oROWS, std::size_t oCOLS, concepts::scalar scalar_t>
algebra::fastor::Matrix< scalar_t, ROWS, COLS >	operator() (const Fastor::Tensor< scalar_t, oROWS, oCOLS > &m, std::size_t row, std::size_t col) const
	Extract a rectangular block from a matrix.
template<std::size_t ROWS, concepts::scalar scalar_t, concepts::matrix input_matrix_type>
void	set (input_matrix_type &m, const Fastor::Tensor< scalar_t, ROWS > &b, std::size_t row, std::size_t col) const
	Operator setting a block with a vector.
template<std::size_t ROWS, std::size_t COLS, concepts::scalar scalar_t, concepts::matrix input_matrix_type>
void	set (input_matrix_type &m, const Fastor::Tensor< scalar_t, ROWS, COLS > &b, std::size_t row, std::size_t col) const
	Operator setting a block with a matrix.
template<std::size_t SIZE, std::size_t oROWS, std::size_t oCOLS, concepts::scalar scalar_t>
Fastor::Tensor< scalar_t, SIZE >	vector (const Fastor::Tensor< scalar_t, oROWS, oCOLS > &m, std::size_t row, std::size_t col) const
	Extract a contiguous segment from one matrix column.

Detailed Description

Functor used to extract a block from Fastor matrices.

Member Function Documentation

operator()()

template<std::size_t ROWS, std::size_t COLS, std::size_t oROWS, std::size_t oCOLS, concepts::scalar scalar_t>

algebra::fastor::Matrix< scalar_t, ROWS, COLS > detray::algebra::fastor::storage::block_getter::operator()	(	const Fastor::Tensor< scalar_t, oROWS, oCOLS > &	m,
		std::size_t	row,
		std::size_t	col ) const

Extract a rectangular block from a matrix.

Parameters

m	Source matrix.
row	First row of the block.
col	First column of the block.

Returns

A matrix containing the selected block.

set() [1/2]

template<std::size_t ROWS, concepts::scalar scalar_t, concepts::matrix input_matrix_type>

void detray::algebra::fastor::storage::block_getter::set	(	input_matrix_type &	m,
		const Fastor::Tensor< scalar_t, ROWS > &	b,
		std::size_t	row,
		std::size_t	col ) const

Operator setting a block with a vector.

Parameters

m	Matrix to update.
b	Vector values to write.
row	First destination row.
col	Destination column.

set() [2/2]

template<std::size_t ROWS, std::size_t COLS, concepts::scalar scalar_t, concepts::matrix input_matrix_type>

void detray::algebra::fastor::storage::block_getter::set	(	input_matrix_type &	m,
		const Fastor::Tensor< scalar_t, ROWS, COLS > &	b,
		std::size_t	row,
		std::size_t	col ) const

Operator setting a block with a matrix.

Parameters

m	Matrix to update.
b	Block values to write.
row	First destination row.
col	First destination column.

vector()

template<std::size_t SIZE, std::size_t oROWS, std::size_t oCOLS, concepts::scalar scalar_t>

Fastor::Tensor< scalar_t, SIZE > detray::algebra::fastor::storage::block_getter::vector	(	const Fastor::Tensor< scalar_t, oROWS, oCOLS > &	m,
		std::size_t	row,
		std::size_t	col ) const

Extract a contiguous segment from one matrix column.

Parameters

m	Source matrix.
row	First row of the segment.
col	Column containing the segment.

Returns

A vector containing the selected segment.