impl_reference_simd4_float.h File Reference

#include "config.h"
#include <cassert>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <algorithm>
#include <array>
#include "impl_reference_definitions.h"

Include dependency graph for impl_reference_simd4_float.h:

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Description

Reference implementation, SIMD4 single precision.

Author

Erik Lindahl erik..nosp@m.lind.nosp@m.ahl@s.nosp@m.cili.nosp@m.felab.nosp@m..se

Classes
class	gmx::Simd4Float
	SIMD4 float type. More...
class	gmx::Simd4FBool
	SIMD4 variable type to use for logical comparisons on floats. More...

Functions
Constant width-4 single precision SIMD types and instructions
static Simd4Float gmx_simdcall	gmx::load4 (const float *m)
	Load 4 float values from aligned memory into SIMD4 variable. More...
static void gmx_simdcall	gmx::store4 (float *m, Simd4Float a)
	Store the contents of SIMD4 float to aligned memory m. More...
static Simd4Float gmx_simdcall	gmx::load4U (const float *m)
	Load SIMD4 float from unaligned memory. More...
static void gmx_simdcall	gmx::store4U (float *m, Simd4Float a)
	Store SIMD4 float to unaligned memory. More...
static Simd4Float gmx_simdcall	gmx::simd4SetZeroF ()
	Set all SIMD4 float elements to 0. More...
static Simd4Float gmx_simdcall	gmx::operator& (Simd4Float a, Simd4Float b)
	Bitwise and for two SIMD4 float variables. More...
static Simd4Float gmx_simdcall	gmx::andNot (Simd4Float a, Simd4Float b)
	Bitwise andnot for two SIMD4 float variables. c=(~a) & b. More...
static Simd4Float gmx_simdcall	gmx::operator| (Simd4Float a, Simd4Float b)
	Bitwise or for two SIMD4 floats. More...
static Simd4Float gmx_simdcall	gmx::operator^ (Simd4Float a, Simd4Float b)
	Bitwise xor for two SIMD4 float variables. More...
static Simd4Float gmx_simdcall	gmx::operator+ (Simd4Float a, Simd4Float b)
	Add two float SIMD4 variables. More...
static Simd4Float gmx_simdcall	gmx::operator- (Simd4Float a, Simd4Float b)
	Subtract two SIMD4 variables. More...
static Simd4Float gmx_simdcall	gmx::operator- (Simd4Float a)
	SIMD4 floating-point negate. More...
static Simd4Float gmx_simdcall	gmx::operator* (Simd4Float a, Simd4Float b)
	Multiply two SIMD4 variables. More...
static Simd4Float gmx_simdcall	gmx::fma (Simd4Float a, Simd4Float b, Simd4Float c)
	SIMD4 Fused-multiply-add. Result is a*b+c. More...
static Simd4Float gmx_simdcall	gmx::fms (Simd4Float a, Simd4Float b, Simd4Float c)
	SIMD4 Fused-multiply-subtract. Result is a*b-c. More...
static Simd4Float gmx_simdcall	gmx::fnma (Simd4Float a, Simd4Float b, Simd4Float c)
	SIMD4 Fused-negated-multiply-add. Result is -a*b+c. More...
static Simd4Float gmx_simdcall	gmx::fnms (Simd4Float a, Simd4Float b, Simd4Float c)
	SIMD4 Fused-negated-multiply-subtract. Result is -a*b-c. More...
static Simd4Float gmx_simdcall	gmx::rsqrt (Simd4Float x)
	SIMD4 1.0/sqrt(x) lookup. More...
static Simd4Float gmx_simdcall	gmx::abs (Simd4Float a)
	SIMD4 Floating-point fabs(). More...
static Simd4Float gmx_simdcall	gmx::max (Simd4Float a, Simd4Float b)
	Set each SIMD4 element to the largest from two variables. More...
static Simd4Float gmx_simdcall	gmx::min (Simd4Float a, Simd4Float b)
	Set each SIMD4 element to the largest from two variables. More...
static Simd4Float gmx_simdcall	gmx::round (Simd4Float a)
	SIMD4 Round to nearest integer value (in floating-point format). More...
static Simd4Float gmx_simdcall	gmx::trunc (Simd4Float a)
	Truncate SIMD4, i.e. round towards zero - common hardware instruction. More...
static float gmx_simdcall	gmx::dotProduct (Simd4Float a, Simd4Float b)
	Return dot product of two single precision SIMD4 variables. More...
static void gmx_simdcall	gmx::transpose (Simd4Float *v0, Simd4Float *v1, Simd4Float *v2, Simd4Float *v3)
	SIMD4 float transpose. More...
static Simd4FBool gmx_simdcall	gmx::operator== (Simd4Float a, Simd4Float b)
	a==b for SIMD4 float More...
static Simd4FBool gmx_simdcall	gmx::operator!= (Simd4Float a, Simd4Float b)
	a!=b for SIMD4 float More...
static Simd4FBool gmx_simdcall	gmx::operator< (Simd4Float a, Simd4Float b)
	a<b for SIMD4 float More...
static Simd4FBool gmx_simdcall	gmx::operator<= (Simd4Float a, Simd4Float b)
	a<=b for SIMD4 float. More...
static Simd4FBool gmx_simdcall	gmx::operator&& (Simd4FBool a, Simd4FBool b)
	Logical and on single precision SIMD4 booleans. More...
static Simd4FBool gmx_simdcall	gmx::operator|| (Simd4FBool a, Simd4FBool b)
	Logical or on single precision SIMD4 booleans. More...
static bool gmx_simdcall	gmx::anyTrue (Simd4FBool a)
	Returns non-zero if any of the boolean in SIMD4 a is True, otherwise 0. More...
static Simd4Float gmx_simdcall	gmx::selectByMask (Simd4Float a, Simd4FBool mask)
	Select from single precision SIMD4 variable where boolean is true. More...
static Simd4Float gmx_simdcall	gmx::selectByNotMask (Simd4Float a, Simd4FBool mask)
	Select from single precision SIMD4 variable where boolean is false. More...
static Simd4Float gmx_simdcall	gmx::blend (Simd4Float a, Simd4Float b, Simd4FBool sel)
	Vector-blend SIMD4 selection. More...
static float gmx_simdcall	gmx::reduce (Simd4Float a)
	Return sum of all elements in SIMD4 float variable. More...