1/*===-- __clang_openmp_device_functions.h - OpenMP math declares ------ c++ -=== 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 *===-----------------------------------------------------------------------=== 8 */ 9 10#ifndef __CLANG_OPENMP_CMATH_H__ 11#define __CLANG_OPENMP_CMATH_H__ 12 13#ifndef _OPENMP 14#error "This file is for OpenMP compilation only." 15#endif 16 17#include_next <cmath> 18 19// Make sure we include our math.h overlay, it probably happend already but we 20// need to be sure. 21#include <math.h> 22 23// We (might) need cstdlib because __clang_cuda_cmath.h below declares `abs` 24// which might live in cstdlib. 25#include <cstdlib> 26 27// We need limits because __clang_cuda_cmath.h below uses `std::numeric_limit`. 28#include <limits> 29 30#pragma omp begin declare variant match( \ 31 device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any, allow_templates)}) 32 33#define __CUDA__ 34#define __OPENMP_NVPTX__ 35#include <__clang_cuda_cmath.h> 36#undef __OPENMP_NVPTX__ 37#undef __CUDA__ 38 39// Overloads not provided by the CUDA wrappers but by the CUDA system headers. 40// Since we do not include the latter we define them ourselves. 41#define __DEVICE__ static constexpr __attribute__((always_inline, nothrow)) 42 43__DEVICE__ float acosh(float __x) { return ::acoshf(__x); } 44__DEVICE__ float asinh(float __x) { return ::asinhf(__x); } 45__DEVICE__ float atanh(float __x) { return ::atanhf(__x); } 46__DEVICE__ float cbrt(float __x) { return ::cbrtf(__x); } 47__DEVICE__ float erf(float __x) { return ::erff(__x); } 48__DEVICE__ float erfc(float __x) { return ::erfcf(__x); } 49__DEVICE__ float exp2(float __x) { return ::exp2f(__x); } 50__DEVICE__ float expm1(float __x) { return ::expm1f(__x); } 51__DEVICE__ float fdim(float __x, float __y) { return ::fdimf(__x, __y); } 52__DEVICE__ float hypot(float __x, float __y) { return ::hypotf(__x, __y); } 53__DEVICE__ int ilogb(float __x) { return ::ilogbf(__x); } 54__DEVICE__ float lgamma(float __x) { return ::lgammaf(__x); } 55__DEVICE__ long long int llrint(float __x) { return ::llrintf(__x); } 56__DEVICE__ long long int llround(float __x) { return ::llroundf(__x); } 57__DEVICE__ float log1p(float __x) { return ::log1pf(__x); } 58__DEVICE__ float log2(float __x) { return ::log2f(__x); } 59__DEVICE__ float logb(float __x) { return ::logbf(__x); } 60__DEVICE__ long int lrint(float __x) { return ::lrintf(__x); } 61__DEVICE__ long int lround(float __x) { return ::lroundf(__x); } 62__DEVICE__ float nextafter(float __x, float __y) { 63 return ::nextafterf(__x, __y); 64} 65__DEVICE__ float remainder(float __x, float __y) { 66 return ::remainderf(__x, __y); 67} 68__DEVICE__ float scalbln(float __x, long int __y) { 69 return ::scalblnf(__x, __y); 70} 71__DEVICE__ float scalbn(float __x, int __y) { return ::scalbnf(__x, __y); } 72__DEVICE__ float tgamma(float __x) { return ::tgammaf(__x); } 73 74#undef __DEVICE__ 75 76#pragma omp end declare variant 77 78#ifdef __AMDGCN__ 79#pragma omp begin declare variant match(device = {arch(amdgcn)}) 80 81#pragma push_macro("__constant__") 82#define __constant__ __attribute__((constant)) 83#define __OPENMP_AMDGCN__ 84 85#include <__clang_hip_cmath.h> 86 87#pragma pop_macro("__constant__") 88#undef __OPENMP_AMDGCN__ 89 90// Define overloads otherwise which are absent 91#define __DEVICE__ static constexpr __attribute__((always_inline, nothrow)) 92 93__DEVICE__ float acos(float __x) { return ::acosf(__x); } 94__DEVICE__ float acosh(float __x) { return ::acoshf(__x); } 95__DEVICE__ float asin(float __x) { return ::asinf(__x); } 96__DEVICE__ float asinh(float __x) { return ::asinhf(__x); } 97__DEVICE__ float atan(float __x) { return ::atanf(__x); } 98__DEVICE__ float atan2(float __x, float __y) { return ::atan2f(__x, __y); } 99__DEVICE__ float atanh(float __x) { return ::atanhf(__x); } 100__DEVICE__ float cbrt(float __x) { return ::cbrtf(__x); } 101__DEVICE__ float cosh(float __x) { return ::coshf(__x); } 102__DEVICE__ float erf(float __x) { return ::erff(__x); } 103__DEVICE__ float erfc(float __x) { return ::erfcf(__x); } 104__DEVICE__ float exp2(float __x) { return ::exp2f(__x); } 105__DEVICE__ float expm1(float __x) { return ::expm1f(__x); } 106__DEVICE__ float fdim(float __x, float __y) { return ::fdimf(__x, __y); } 107__DEVICE__ float hypot(float __x, float __y) { return ::hypotf(__x, __y); } 108__DEVICE__ int ilogb(float __x) { return ::ilogbf(__x); } 109__DEVICE__ float ldexp(float __arg, int __exp) { 110 return ::ldexpf(__arg, __exp); 111} 112__DEVICE__ float lgamma(float __x) { return ::lgammaf(__x); } 113__DEVICE__ float log1p(float __x) { return ::log1pf(__x); } 114__DEVICE__ float logb(float __x) { return ::logbf(__x); } 115__DEVICE__ float nextafter(float __x, float __y) { 116 return ::nextafterf(__x, __y); 117} 118__DEVICE__ float remainder(float __x, float __y) { 119 return ::remainderf(__x, __y); 120} 121__DEVICE__ float scalbn(float __x, int __y) { return ::scalbnf(__x, __y); } 122__DEVICE__ float sinh(float __x) { return ::sinhf(__x); } 123__DEVICE__ float tan(float __x) { return ::tanf(__x); } 124__DEVICE__ float tanh(float __x) { return ::tanhf(__x); } 125__DEVICE__ float tgamma(float __x) { return ::tgammaf(__x); } 126 127#undef __DEVICE__ 128 129#pragma omp end declare variant 130#endif // __AMDGCN__ 131 132#endif 133