detray::algebra::math Namespace Reference

Namespace to pick up common math functions from. More...

Functions
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	abs (T &&vec)
	Vc overloads of common math functions.
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	fabs (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	sqrt (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	exp (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	log (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	sin (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	asin (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	cos (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	tan (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	atan (T &&vec)
template<detray::concepts::vc_simd_vector T, detray::concepts::vc_simd_vector S>
constexpr decltype(auto)	copysign (T &&mag, S &&sgn)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	min (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	max (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	signbit (T &&vec)
template<detray::concepts::vc_simd_vector T>
constexpr decltype(auto)	fma (T &&x, T &&y, T &&z)
	Evaluate the fused multiply-add x * y + z lane by lane.

Detailed Description

Namespace to pick up common math functions from.

Function Documentation

abs()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::abs ( T && vec )

constexpr

Vc overloads of common math functions.

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Absolute value of each lane.

asin()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::asin ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Inverse sine of each lane.

atan()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::atan ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Inverse tangent of each lane.

copysign()

template<detray::concepts::vc_simd_vector T, detray::concepts::vc_simd_vector S>

decltype(auto) detray::algebra::math::copysign ( T && mag, S && sgn )

constexpr

Parameters

mag	SIMD vector providing magnitudes.
sgn	SIMD vector providing signs.

Returns

Magnitudes with signs copied lane by lane.

cos()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::cos ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Cosine of each lane.

exp()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::exp ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Exponential of each lane.

fabs()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::fabs ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Absolute value of each lane.

fma()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::fma ( T && x, T && y, T && z )

constexpr

Evaluate the fused multiply-add x * y + z lane by lane.

Parameters

x	First SIMD operand.
y	Second SIMD operand.
z	Addend SIMD operand.

Returns

The fused multiply-add result.

log()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::log ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Natural logarithm of each lane.

max()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::max ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are reduced.

Returns

The maximum lane value.

min()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::min ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are reduced.

Returns

The minimum lane value.

signbit()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::signbit ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lane signs are inspected.

Returns

A mask identifying negative lanes.

sin()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::sin ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Sine of each lane.

sqrt()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::sqrt ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Square root of each lane.

tan()

template<detray::concepts::vc_simd_vector T>

decltype(auto) detray::algebra::math::tan ( T && vec )

constexpr

Parameters

vec	SIMD vector whose lanes are evaluated.

Returns

Tangent computed as sine divided by cosine for each lane.