1 /*===-- __clang_openmp_device_functions.h - OpenMP math declares ------ c++ -===
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
7 *===-----------------------------------------------------------------------===
10 #ifndef __CLANG_OPENMP_CMATH_H__
11 #define __CLANG_OPENMP_CMATH_H__
14 #error "This file is for OpenMP compilation only."
19 // Make sure we include our math.h overlay, it probably happend already but we
23 // We (might) need cstdlib because __clang_cuda_cmath.h below declares `abs`
24 // which might live in cstdlib.
27 // We need limits because __clang_cuda_cmath.h below uses `std::numeric_limit`.
30 #pragma omp begin declare variant match( \
31 device = {arch(nvptx, nvptx64)}, implementation = {extension(match_any, allow_templates)})
34 #define __OPENMP_NVPTX__
35 #include <__clang_cuda_cmath.h>
36 #undef __OPENMP_NVPTX__
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))
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);
65 __DEVICE__ float remainder(float __x, float __y) {
66 return ::remainderf(__x, __y);
68 __DEVICE__ float scalbln(float __x, long int __y) {
69 return ::scalblnf(__x, __y);
71 __DEVICE__ float scalbn(float __x, int __y) { return ::scalbnf(__x, __y); }
72 __DEVICE__ float tgamma(float __x) { return ::tgammaf(__x); }
76 #pragma omp end declare variant
79 #pragma omp begin declare variant match(device = {arch(amdgcn)})
81 #pragma push_macro("__constant__")
82 #define __constant__ __attribute__((constant))
83 #define __OPENMP_AMDGCN__
85 #include <__clang_hip_cmath.h>
87 #pragma pop_macro("__constant__")
88 #undef __OPENMP_AMDGCN__
90 // Define overloads otherwise which are absent
91 #define __DEVICE__ static constexpr __attribute__((always_inline, nothrow))
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);
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);
118 __DEVICE__ float remainder(float __x, float __y) {
119 return ::remainderf(__x, __y);
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); }
129 #pragma omp end declare variant