Tiny Vector Matrix library using Expression Templates

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tvmet::XprMVProduct< E1, Rows, Cols, E2 > Class Template Reference

#include <tvmet/xpr/MVProduct.h>

Inheritance diagram for tvmet::XprMVProduct< E1, Rows, Cols, E2 >:

[legend]Collaboration diagram for tvmet::XprMVProduct< E1, Rows, Cols, E2 >:

[legend]List of all members.

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Detailed Description

template<class E1, std::size_t Rows, std::size_t Cols, class E2>
class tvmet::XprMVProduct< E1, Rows, Cols, E2 >

Expression for matrix-vector product using formula

.

Public Types
enum	{   ops_lhs = E1::ops, ops_rhs = E2::ops, M = Rows * Cols, N = Rows * (Cols - 1),   ops_plus = M * NumericTraits<value_type>::ops_plus, ops_muls = N * NumericTraits<value_type>::ops_muls, ops = ops_plus + ops_muls, use_meta = Rows*Cols < TVMET_COMPLEXITY_MV_TRIGGER ? true : false }
	Complexity counter. More...
typedef PromoteTraits< typename E1::value_type, typename E2::value_type >::value_type	value_type
Public Member Functions
	XprMVProduct (const E1 &lhs, const E2 &rhs)
	Constructor.
value_type	operator() (std::size_t j) const
	index operator, returns the expression by index.
void	print_xpr (std::ostream &os, std::size_t l=0) const
Private Member Functions
	XprMVProduct ()
XprMVProduct &	operator= (const XprMVProduct &)
Static Private Member Functions
static value_type	do_gemv (dispatch< true >, const E1 &lhs, const E2 &rhs, std::size_t j)
	Wrapper for meta gemm.
static value_type	do_gemv (dispatch< false >, const E1 &lhs, const E2 &rhs, std::size_t j)
	Wrapper for loop gemm.
Private Attributes
const E1	m_lhs
const E2	m_rhs

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Member Typedef Documentation

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

typedef PromoteTraits< typename E1::value_type, typename E2::value_type >::value_type tvmet::XprMVProduct< E1, Rows, Cols, E2 >::value_type

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Member Enumeration Documentation

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

anonymous enum

Complexity counter.

Enumerator:

ops_lhs
ops_rhs
M
N
ops_plus
ops_muls
ops
use_meta

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Constructor & Destructor Documentation

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

tvmet::XprMVProduct< E1, Rows, Cols, E2 >::XprMVProduct

(

)

[private]

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

tvmet::XprMVProduct< E1, Rows, Cols, E2 >::XprMVProduct	(	const E1 &	lhs,
		const E2 &	rhs
	)			[inline, explicit]

Constructor.

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Member Function Documentation

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

XprMVProduct& tvmet::XprMVProduct< E1, Rows, Cols, E2 >::operator=

(

const XprMVProduct< E1, Rows, Cols, E2 > &

)

[private]

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

static value_type tvmet::XprMVProduct< E1, Rows, Cols, E2 >::do_gemv	(	dispatch< true >	,
		const E1 &	lhs,
		const E2 &	rhs,
		std::size_t	j
	)			[inline, static, private]

Wrapper for meta gemm.

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

static value_type tvmet::XprMVProduct< E1, Rows, Cols, E2 >::do_gemv	(	dispatch< false >	,
		const E1 &	lhs,
		const E2 &	rhs,
		std::size_t	j
	)			[inline, static, private]

Wrapper for loop gemm.

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

value_type tvmet::XprMVProduct< E1, Rows, Cols, E2 >::operator()

(

std::size_t

j

)

const [inline]

index operator, returns the expression by index.

This is the vector style since a matrix*vector gives a vector.

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

void tvmet::XprMVProduct< E1, Rows, Cols, E2 >::print_xpr	(	std::ostream &	os,
		std::size_t	l = 0
	)			const [inline]

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Member Data Documentation

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

const E1 tvmet::XprMVProduct< E1, Rows, Cols, E2 >::m_lhs [private]

template<class E1, std::size_t Rows, std::size_t Cols, class E2>

const E2 tvmet::XprMVProduct< E1, Rows, Cols, E2 >::m_rhs [private]

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