Gromacs  2016.4
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
Classes
impl_reference_simd_double.h File Reference
#include "config.h"
#include <cassert>
#include <cmath>
#include <cstddef>
#include <cstdint>
#include <algorithm>
#include <array>
#include "gromacs/utility/fatalerror.h"
#include "impl_reference_definitions.h"
#include "impl_reference_simd_float.h"
+ Include dependency graph for impl_reference_simd_double.h:
+ This graph shows which files directly or indirectly include this file:

Description

Reference implementation, SIMD double precision.

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

Classes

class  gmx::SimdDouble
 Double SIMD variable. Available if GMX_SIMD_HAVE_DOUBLE is 1. More...
 
class  gmx::SimdDInt32
 Integer SIMD variable type to use for conversions to/from double. More...
 
class  gmx::SimdDBool
 Boolean type for double SIMD data. More...
 
class  gmx::SimdDIBool
 Boolean type for integer datatypes corresponding to double SIMD. More...
 

Functions

SIMD implementation load/store operations for double precision floating point
static SimdDouble gmx_simdcall gmx::simdLoad (const double *m)
 Load GMX_SIMD_DOUBLE_WIDTH numbers from aligned memory. More...
 
static void gmx_simdcall gmx::store (double *m, SimdDouble a)
 Store the contents of SIMD double variable to aligned memory m. More...
 
static SimdDouble gmx_simdcall gmx::simdLoadU (const double *m)
 Load SIMD double from unaligned memory. More...
 
static void gmx_simdcall gmx::storeU (double *m, SimdDouble a)
 Store SIMD double to unaligned memory. More...
 
static SimdDouble gmx_simdcall gmx::setZeroD ()
 Set all SIMD double variable elements to 0.0. More...
 
SIMD implementation load/store operations for integers (corresponding to double)
static SimdDInt32 gmx_simdcall gmx::simdLoadDI (const std::int32_t *m)
 Load aligned SIMD integer data, width corresponds to gmx::SimdDouble. More...
 
static void gmx_simdcall gmx::store (std::int32_t *m, SimdDInt32 a)
 Store aligned SIMD integer data, width corresponds to gmx::SimdDouble. More...
 
static SimdDInt32 gmx_simdcall gmx::simdLoadUDI (const std::int32_t *m)
 Load unaligned integer SIMD data, width corresponds to gmx::SimdDouble. More...
 
static void gmx_simdcall gmx::storeU (std::int32_t *m, SimdDInt32 a)
 Store unaligned SIMD integer data, width corresponds to gmx::SimdDouble. More...
 
static SimdDInt32 gmx_simdcall gmx::setZeroDI ()
 Set all SIMD (double) integer variable elements to 0. More...
 
template<int index>
static std::int32_t gmx_simdcall gmx::extract (SimdDInt32 a)
 Extract element with index i from gmx::SimdDInt32. More...
 
SIMD implementation double precision floating-point bitwise logical operations
static SimdDouble gmx_simdcall gmx::operator& (SimdDouble a, SimdDouble b)
 Bitwise and for two SIMD double variables. More...
 
static SimdDouble gmx_simdcall gmx::andNot (SimdDouble a, SimdDouble b)
 Bitwise andnot for SIMD double. More...
 
static SimdDouble gmx_simdcall gmx::operator| (SimdDouble a, SimdDouble b)
 Bitwise or for SIMD double. More...
 
static SimdDouble gmx_simdcall gmx::operator^ (SimdDouble a, SimdDouble b)
 Bitwise xor for SIMD double. More...
 
SIMD implementation double precision floating-point arithmetics
static SimdDouble gmx_simdcall gmx::operator+ (SimdDouble a, SimdDouble b)
 Add two double SIMD variables. More...
 
static SimdDouble gmx_simdcall gmx::operator- (SimdDouble a, SimdDouble b)
 Subtract two double SIMD variables. More...
 
static SimdDouble gmx_simdcall gmx::operator- (SimdDouble a)
 SIMD double precision negate. More...
 
static SimdDouble gmx_simdcall gmx::operator* (SimdDouble a, SimdDouble b)
 Multiply two double SIMD variables. More...
 
static SimdDouble gmx_simdcall gmx::fma (SimdDouble a, SimdDouble b, SimdDouble c)
 SIMD double Fused-multiply-add. Result is a*b+c. More...
 
static SimdDouble gmx_simdcall gmx::fms (SimdDouble a, SimdDouble b, SimdDouble c)
 SIMD double Fused-multiply-subtract. Result is a*b-c. More...
 
static SimdDouble gmx_simdcall gmx::fnma (SimdDouble a, SimdDouble b, SimdDouble c)
 SIMD double Fused-negated-multiply-add. Result is -a*b+c. More...
 
static SimdDouble gmx_simdcall gmx::fnms (SimdDouble a, SimdDouble b, SimdDouble c)
 SIMD double Fused-negated-multiply-subtract. Result is -a*b-c. More...
 
static SimdDouble gmx_simdcall gmx::rsqrt (SimdDouble x)
 double SIMD 1.0/sqrt(x) lookup. More...
 
static SimdDouble gmx_simdcall gmx::rcp (SimdDouble x)
 SIMD double 1.0/x lookup. More...
 
static SimdDouble gmx_simdcall gmx::maskAdd (SimdDouble a, SimdDouble b, SimdDBool m)
 Add two double SIMD variables, masked version. More...
 
static SimdDouble gmx_simdcall gmx::maskzMul (SimdDouble a, SimdDouble b, SimdDBool m)
 Multiply two double SIMD variables, masked version. More...
 
static SimdDouble gmx_simdcall gmx::maskzFma (SimdDouble a, SimdDouble b, SimdDouble c, SimdDBool m)
 SIMD double fused multiply-add, masked version. More...
 
static SimdDouble gmx_simdcall gmx::maskzRsqrt (SimdDouble x, SimdDBool m)
 SIMD double 1.0/sqrt(x) lookup, masked version. More...
 
static SimdDouble gmx_simdcall gmx::maskzRcp (SimdDouble x, SimdDBool m)
 SIMD double 1.0/x lookup, masked version. More...
 
static SimdDouble gmx_simdcall gmx::abs (SimdDouble a)
 SIMD double floating-point fabs(). More...
 
static SimdDouble gmx_simdcall gmx::max (SimdDouble a, SimdDouble b)
 Set each SIMD double element to the largest from two variables. More...
 
static SimdDouble gmx_simdcall gmx::min (SimdDouble a, SimdDouble b)
 Set each SIMD double element to the smallest from two variables. More...
 
static SimdDouble gmx_simdcall gmx::round (SimdDouble a)
 SIMD double round to nearest integer value (in floating-point format). More...
 
static SimdDouble gmx_simdcall gmx::trunc (SimdDouble a)
 Truncate SIMD double, i.e. round towards zero - common hardware instruction. More...
 
static SimdDouble gmx_simdcall gmx::frexp (SimdDouble value, SimdDInt32 *exponent)
 Extract (integer) exponent and fraction from double precision SIMD. More...
 
static SimdDouble gmx_simdcall gmx::ldexp (SimdDouble value, SimdDInt32 exponent)
 Multiply a SIMD double value by the number 2 raised to an exp power. More...
 
static double gmx_simdcall gmx::reduce (SimdDouble a)
 Return sum of all elements in SIMD double variable. More...
 
SIMD implementation double precision floating-point comparison, boolean, selection.
static SimdDBool gmx_simdcall gmx::operator== (SimdDouble a, SimdDouble b)
 SIMD a==b for double SIMD. More...
 
static SimdDBool gmx_simdcall gmx::operator!= (SimdDouble a, SimdDouble b)
 SIMD a!=b for double SIMD. More...
 
static SimdDBool gmx_simdcall gmx::operator< (SimdDouble a, SimdDouble b)
 SIMD a<b for double SIMD. More...
 
static SimdDBool gmx_simdcall gmx::operator<= (SimdDouble a, SimdDouble b)
 SIMD a<=b for double SIMD. More...
 
static SimdDBool gmx_simdcall gmx::testBits (SimdDouble a)
 Return true if any bits are set in the single precision SIMD. More...
 
static SimdDBool gmx_simdcall gmx::operator&& (SimdDBool a, SimdDBool b)
 Logical and on double precision SIMD booleans. More...
 
static SimdDBool gmx_simdcall gmx::operator|| (SimdDBool a, SimdDBool b)
 Logical or on double precision SIMD booleans. More...
 
static bool gmx_simdcall gmx::anyTrue (SimdDBool a)
 Returns non-zero if any of the boolean in SIMD a is True, otherwise 0. More...
 
static SimdDouble gmx_simdcall gmx::selectByMask (SimdDouble a, SimdDBool mask)
 Select from double precision SIMD variable where boolean is true. More...
 
static SimdDouble gmx_simdcall gmx::selectByNotMask (SimdDouble a, SimdDBool mask)
 Select from double precision SIMD variable where boolean is false. More...
 
static SimdDouble gmx_simdcall gmx::blend (SimdDouble a, SimdDouble b, SimdDBool sel)
 Vector-blend SIMD double selection. More...
 
SIMD implementation integer (corresponding to double) bitwise logical operations
static SimdDInt32 gmx_simdcall gmx::operator<< (SimdDInt32 a, int n)
 SIMD integer shift left logical, based on immediate value. More...
 
static SimdDInt32 gmx_simdcall gmx::operator>> (SimdDInt32 a, int n)
 SIMD integer shift right logical, based on immediate value. More...
 
static SimdDInt32 gmx_simdcall gmx::operator& (SimdDInt32 a, SimdDInt32 b)
 Integer SIMD bitwise and. More...
 
static SimdDInt32 gmx_simdcall gmx::andNot (SimdDInt32 a, SimdDInt32 b)
 Integer SIMD bitwise not/complement. More...
 
static SimdDInt32 gmx_simdcall gmx::operator| (SimdDInt32 a, SimdDInt32 b)
 Integer SIMD bitwise or. More...
 
static SimdDInt32 gmx_simdcall gmx::operator^ (SimdDInt32 a, SimdDInt32 b)
 Integer SIMD bitwise xor. More...
 
SIMD implementation integer (corresponding to double) arithmetics
static SimdDInt32 gmx_simdcall gmx::operator+ (SimdDInt32 a, SimdDInt32 b)
 Add SIMD integers. More...
 
static SimdDInt32 gmx_simdcall gmx::operator- (SimdDInt32 a, SimdDInt32 b)
 Subtract SIMD integers. More...
 
static SimdDInt32 gmx_simdcall gmx::operator* (SimdDInt32 a, SimdDInt32 b)
 Multiply SIMD integers. More...
 
SIMD implementation integer (corresponding to double) comparisons, boolean selection
static SimdDIBool gmx_simdcall gmx::operator== (SimdDInt32 a, SimdDInt32 b)
 Equality comparison of two integers corresponding to double values. More...
 
static SimdDIBool gmx_simdcall gmx::operator< (SimdDInt32 a, SimdDInt32 b)
 Less-than comparison of two SIMD integers corresponding to double values. More...
 
static SimdDIBool gmx_simdcall gmx::testBits (SimdDInt32 a)
 Check if any bit is set in each element. More...
 
static SimdDIBool gmx_simdcall gmx::operator&& (SimdDIBool a, SimdDIBool b)
 Logical AND on SimdDIBool. More...
 
static SimdDIBool gmx_simdcall gmx::operator|| (SimdDIBool a, SimdDIBool b)
 Logical OR on SimdDIBool. More...
 
static bool gmx_simdcall gmx::anyTrue (SimdDIBool a)
 Returns true if any of the boolean in x is True, otherwise 0. More...
 
static SimdDInt32 gmx_simdcall gmx::selectByMask (SimdDInt32 a, SimdDIBool mask)
 Select from gmx::SimdDInt32 variable where boolean is true. More...
 
static SimdDInt32 gmx_simdcall gmx::selectByNotMask (SimdDInt32 a, SimdDIBool mask)
 Select from gmx::SimdDInt32 variable where boolean is false. More...
 
static SimdDInt32 gmx_simdcall gmx::blend (SimdDInt32 a, SimdDInt32 b, SimdDIBool sel)
 Vector-blend SIMD integer selection. More...
 
SIMD implementation conversion operations
static SimdDInt32 gmx_simdcall gmx::cvtR2I (SimdDouble a)
 Round double precision floating point to integer. More...
 
static SimdDInt32 gmx_simdcall gmx::cvttR2I (SimdDouble a)
 Truncate double precision floating point to integer. More...
 
static SimdDouble gmx_simdcall gmx::cvtI2R (SimdDInt32 a)
 Convert integer to double precision floating point. More...
 
static SimdDIBool gmx_simdcall gmx::cvtB2IB (SimdDBool a)
 Convert from double precision boolean to corresponding integer boolean. More...
 
static SimdDBool gmx_simdcall gmx::cvtIB2B (SimdDIBool a)
 Convert from integer boolean to corresponding double precision boolean. More...
 
static SimdDouble gmx_simdcall gmx::cvtF2D (SimdFloat f)
 Convert SIMD float to double. More...
 
static SimdFloat gmx_simdcall gmx::cvtD2F (SimdDouble d)
 Convert SIMD double to float. More...
 
static void gmx_simdcall gmx::cvtF2DD (SimdFloat f, SimdDouble *d0, SimdDouble *d1)
 Convert SIMD float to double. More...
 
static SimdFloat gmx_simdcall gmx::cvtDD2F (SimdDouble d0, SimdDouble d1)
 Convert SIMD double to float. More...