Internal helper functions for block-wise matrix-vector products (axpy and atxpy). More...

#include <Eigen/Core>

Include dependency graph for matrix_operations.h:

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Namespaces
namespace	NDEVR
	The primary namespace for the NDEVR SDK.

Functions
template<typename MatrixType>
void	internal::axpy (const MatrixType &A, const Eigen::Map< const Eigen::VectorX< g_type > > &x, int xoff, Eigen::Map< Eigen::VectorX< g_type > > &y, int yoff)
	Computes y[yoff..] += A * x[xoff..] for fixed-size blocks.

Detailed Description

Internal helper functions for block-wise matrix-vector products (axpy and atxpy).

Definition in file matrix_operations.h.

Function Documentation

template<typename MatrixType>

void internal::axpy	(	const MatrixType &	A,
		const Eigen::Map< const Eigen::VectorX< g_type > > &	x,
		int	xoff,
		Eigen::Map< Eigen::VectorX< g_type > > &	y,
		int	yoff )

inline

Computes y[yoff..] += A * x[xoff..] for fixed-size blocks.

Template Parameters

MatrixType The Eigen matrix type.

Parameters

[in]	A	The matrix block.
[in]	x	Source vector map.
[in]	xoff	Offset into the source vector.
[in,out]	y	Destination vector map.
[in]	yoff	Offset into the destination vector.

Definition at line 45 of file matrix_operations.h.