Mathematical Functions

Description

Mathematical functions on Vec's, such as sqrt, rcp, etc.

See also

Masked Mathematical Functions

Functions
template<typename T , size_t SIMD_WIDTH>
static Vec< T, SIMD_WIDTH >	simd::rcp (const Vec< T, SIMD_WIDTH > &a)
	Computes the approximate reciprocal of the elements of a Vec.
template<typename T , size_t SIMD_WIDTH>
static Vec< T, SIMD_WIDTH >	simd::rsqrt (const Vec< T, SIMD_WIDTH > &a)
	Computes the approximate reciprocal square root of the elements of a Vec.
template<typename T , size_t SIMD_WIDTH>
static Vec< T, SIMD_WIDTH >	simd::sqrt (const Vec< T, SIMD_WIDTH > &a)
	Computes the square root of the elements of a Vec.

Function Documentation

rcp()

template<typename T , size_t SIMD_WIDTH>

static Vec< T, SIMD_WIDTH > simd::rcp ( const Vec< T, SIMD_WIDTH > & a )

inlinestatic

Computes the approximate reciprocal of the elements of a Vec.

This function is only available for floating point types.

Parameters

a	Vec to compute the reciprocal of

Returns

Vec containing the approximate reciprocal of the elements of the input Vec

rsqrt()

template<typename T , size_t SIMD_WIDTH>

static Vec< T, SIMD_WIDTH > simd::rsqrt ( const Vec< T, SIMD_WIDTH > & a )

inlinestatic

Computes the approximate reciprocal square root of the elements of a Vec.

This function is only available for floating point types.

Parameters

a	Vec to compute the reciprocal square root of

Returns

Vec containing the approximate reciprocal square root of the elements of the input Vec

sqrt()

template<typename T , size_t SIMD_WIDTH>

static Vec< T, SIMD_WIDTH > simd::sqrt ( const Vec< T, SIMD_WIDTH > & a )

inlinestatic

Computes the square root of the elements of a Vec.

This function is only available for floating point types.

Note

This function may only compute an approximation on some architectures.

Parameters

a	Vec to compute the square root of

Returns

Vec containing the square root of the elements of the input Vec