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1 | /*===- __clang_math_forward_declares.h - Prototypes of __device__ math fns --=== |
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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 | #ifndef __CLANG__CUDA_MATH_FORWARD_DECLARES_H__ |
10 | #define __CLANG__CUDA_MATH_FORWARD_DECLARES_H__ |
11 | #if !defined(__CUDA__) && !__HIP__ |
12 | #error "This file is for CUDA/HIP compilation only." |
13 | #endif |
14 | |
15 | // This file forward-declares of some math functions we (or the CUDA headers) |
16 | // will define later. We need to do this, and do it before cmath is included, |
17 | // because the standard library may have constexpr math functions. In the |
18 | // absence of a prior __device__ decl, those constexpr functions may become |
19 | // implicitly host+device. host+device functions can't be overloaded, so that |
20 | // would preclude the use of our own __device__ overloads for these functions. |
21 | |
22 | #pragma push_macro("__DEVICE__") |
23 | #define __DEVICE__ \ |
24 | static __inline__ __attribute__((always_inline)) __attribute__((device)) |
25 | |
26 | __DEVICE__ long abs(long); |
27 | __DEVICE__ long long abs(long long); |
28 | __DEVICE__ double abs(double); |
29 | __DEVICE__ float abs(float); |
30 | __DEVICE__ int abs(int); |
31 | __DEVICE__ double acos(double); |
32 | __DEVICE__ float acos(float); |
33 | __DEVICE__ double acosh(double); |
34 | __DEVICE__ float acosh(float); |
35 | __DEVICE__ double asin(double); |
36 | __DEVICE__ float asin(float); |
37 | __DEVICE__ double asinh(double); |
38 | __DEVICE__ float asinh(float); |
39 | __DEVICE__ double atan2(double, double); |
40 | __DEVICE__ float atan2(float, float); |
41 | __DEVICE__ double atan(double); |
42 | __DEVICE__ float atan(float); |
43 | __DEVICE__ double atanh(double); |
44 | __DEVICE__ float atanh(float); |
45 | __DEVICE__ double cbrt(double); |
46 | __DEVICE__ float cbrt(float); |
47 | __DEVICE__ double ceil(double); |
48 | __DEVICE__ float ceil(float); |
49 | __DEVICE__ double copysign(double, double); |
50 | __DEVICE__ float copysign(float, float); |
51 | __DEVICE__ double cos(double); |
52 | __DEVICE__ float cos(float); |
53 | __DEVICE__ double cosh(double); |
54 | __DEVICE__ float cosh(float); |
55 | __DEVICE__ double erfc(double); |
56 | __DEVICE__ float erfc(float); |
57 | __DEVICE__ double erf(double); |
58 | __DEVICE__ float erf(float); |
59 | __DEVICE__ double exp2(double); |
60 | __DEVICE__ float exp2(float); |
61 | __DEVICE__ double exp(double); |
62 | __DEVICE__ float exp(float); |
63 | __DEVICE__ double expm1(double); |
64 | __DEVICE__ float expm1(float); |
65 | __DEVICE__ double fabs(double); |
66 | __DEVICE__ float fabs(float); |
67 | __DEVICE__ double fdim(double, double); |
68 | __DEVICE__ float fdim(float, float); |
69 | __DEVICE__ double floor(double); |
70 | __DEVICE__ float floor(float); |
71 | __DEVICE__ double fma(double, double, double); |
72 | __DEVICE__ float fma(float, float, float); |
73 | __DEVICE__ double fmax(double, double); |
74 | __DEVICE__ float fmax(float, float); |
75 | __DEVICE__ double fmin(double, double); |
76 | __DEVICE__ float fmin(float, float); |
77 | __DEVICE__ double fmod(double, double); |
78 | __DEVICE__ float fmod(float, float); |
79 | __DEVICE__ int fpclassify(double); |
80 | __DEVICE__ int fpclassify(float); |
81 | __DEVICE__ double frexp(double, int *); |
82 | __DEVICE__ float frexp(float, int *); |
83 | __DEVICE__ double hypot(double, double); |
84 | __DEVICE__ float hypot(float, float); |
85 | __DEVICE__ int ilogb(double); |
86 | __DEVICE__ int ilogb(float); |
87 | #ifdef _MSC_VER |
88 | __DEVICE__ bool isfinite(long double); |
89 | #endif |
90 | __DEVICE__ bool isfinite(double); |
91 | __DEVICE__ bool isfinite(float); |
92 | __DEVICE__ bool isgreater(double, double); |
93 | __DEVICE__ bool isgreaterequal(double, double); |
94 | __DEVICE__ bool isgreaterequal(float, float); |
95 | __DEVICE__ bool isgreater(float, float); |
96 | #ifdef _MSC_VER |
97 | __DEVICE__ bool isinf(long double); |
98 | #endif |
99 | __DEVICE__ bool isinf(double); |
100 | __DEVICE__ bool isinf(float); |
101 | __DEVICE__ bool isless(double, double); |
102 | __DEVICE__ bool islessequal(double, double); |
103 | __DEVICE__ bool islessequal(float, float); |
104 | __DEVICE__ bool isless(float, float); |
105 | __DEVICE__ bool islessgreater(double, double); |
106 | __DEVICE__ bool islessgreater(float, float); |
107 | #ifdef _MSC_VER |
108 | __DEVICE__ bool isnan(long double); |
109 | #endif |
110 | __DEVICE__ bool isnan(double); |
111 | __DEVICE__ bool isnan(float); |
112 | __DEVICE__ bool isnormal(double); |
113 | __DEVICE__ bool isnormal(float); |
114 | __DEVICE__ bool isunordered(double, double); |
115 | __DEVICE__ bool isunordered(float, float); |
116 | __DEVICE__ long labs(long); |
117 | __DEVICE__ double ldexp(double, int); |
118 | __DEVICE__ float ldexp(float, int); |
119 | __DEVICE__ double lgamma(double); |
120 | __DEVICE__ float lgamma(float); |
121 | __DEVICE__ long long llabs(long long); |
122 | __DEVICE__ long long llrint(double); |
123 | __DEVICE__ long long llrint(float); |
124 | __DEVICE__ double log10(double); |
125 | __DEVICE__ float log10(float); |
126 | __DEVICE__ double log1p(double); |
127 | __DEVICE__ float log1p(float); |
128 | __DEVICE__ double log2(double); |
129 | __DEVICE__ float log2(float); |
130 | __DEVICE__ double logb(double); |
131 | __DEVICE__ float logb(float); |
132 | __DEVICE__ double log(double); |
133 | __DEVICE__ float log(float); |
134 | __DEVICE__ long lrint(double); |
135 | __DEVICE__ long lrint(float); |
136 | __DEVICE__ long lround(double); |
137 | __DEVICE__ long lround(float); |
138 | __DEVICE__ long long llround(float); // No llround(double). |
139 | __DEVICE__ double modf(double, double *); |
140 | __DEVICE__ float modf(float, float *); |
141 | __DEVICE__ double nan(const char *); |
142 | __DEVICE__ float nanf(const char *); |
143 | __DEVICE__ double nearbyint(double); |
144 | __DEVICE__ float nearbyint(float); |
145 | __DEVICE__ double nextafter(double, double); |
146 | __DEVICE__ float nextafter(float, float); |
147 | __DEVICE__ double pow(double, double); |
148 | __DEVICE__ double pow(double, int); |
149 | __DEVICE__ float pow(float, float); |
150 | __DEVICE__ float pow(float, int); |
151 | __DEVICE__ double remainder(double, double); |
152 | __DEVICE__ float remainder(float, float); |
153 | __DEVICE__ double remquo(double, double, int *); |
154 | __DEVICE__ float remquo(float, float, int *); |
155 | __DEVICE__ double rint(double); |
156 | __DEVICE__ float rint(float); |
157 | __DEVICE__ double round(double); |
158 | __DEVICE__ float round(float); |
159 | __DEVICE__ double scalbln(double, long); |
160 | __DEVICE__ float scalbln(float, long); |
161 | __DEVICE__ double scalbn(double, int); |
162 | __DEVICE__ float scalbn(float, int); |
163 | #ifdef _MSC_VER |
164 | __DEVICE__ bool signbit(long double); |
165 | #endif |
166 | __DEVICE__ bool signbit(double); |
167 | __DEVICE__ bool signbit(float); |
168 | __DEVICE__ double sin(double); |
169 | __DEVICE__ float sin(float); |
170 | __DEVICE__ double sinh(double); |
171 | __DEVICE__ float sinh(float); |
172 | __DEVICE__ double sqrt(double); |
173 | __DEVICE__ float sqrt(float); |
174 | __DEVICE__ double tan(double); |
175 | __DEVICE__ float tan(float); |
176 | __DEVICE__ double tanh(double); |
177 | __DEVICE__ float tanh(float); |
178 | __DEVICE__ double tgamma(double); |
179 | __DEVICE__ float tgamma(float); |
180 | __DEVICE__ double trunc(double); |
181 | __DEVICE__ float trunc(float); |
182 | |
183 | // Notably missing above is nexttoward, which we don't define on |
184 | // the device side because libdevice doesn't give us an implementation, and we |
185 | // don't want to be in the business of writing one ourselves. |
186 | |
187 | // We need to define these overloads in exactly the namespace our standard |
188 | // library uses (including the right inline namespace), otherwise they won't be |
189 | // picked up by other functions in the standard library (e.g. functions in |
190 | // <complex>). Thus the ugliness below. |
191 | #ifdef _LIBCPP_BEGIN_NAMESPACE_STD |
192 | _LIBCPP_BEGIN_NAMESPACE_STD |
193 | #else |
194 | namespace std { |
195 | #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION |
196 | _GLIBCXX_BEGIN_NAMESPACE_VERSION |
197 | #endif |
198 | #endif |
199 | |
200 | using ::abs; |
201 | using ::acos; |
202 | using ::acosh; |
203 | using ::asin; |
204 | using ::asinh; |
205 | using ::atan; |
206 | using ::atan2; |
207 | using ::atanh; |
208 | using ::cbrt; |
209 | using ::ceil; |
210 | using ::copysign; |
211 | using ::cos; |
212 | using ::cosh; |
213 | using ::erf; |
214 | using ::erfc; |
215 | using ::exp; |
216 | using ::exp2; |
217 | using ::expm1; |
218 | using ::fabs; |
219 | using ::fdim; |
220 | using ::floor; |
221 | using ::fma; |
222 | using ::fmax; |
223 | using ::fmin; |
224 | using ::fmod; |
225 | using ::fpclassify; |
226 | using ::frexp; |
227 | using ::hypot; |
228 | using ::ilogb; |
229 | using ::isfinite; |
230 | using ::isgreater; |
231 | using ::isgreaterequal; |
232 | using ::isinf; |
233 | using ::isless; |
234 | using ::islessequal; |
235 | using ::islessgreater; |
236 | using ::isnan; |
237 | using ::isnormal; |
238 | using ::isunordered; |
239 | using ::labs; |
240 | using ::ldexp; |
241 | using ::lgamma; |
242 | using ::llabs; |
243 | using ::llrint; |
244 | using ::log; |
245 | using ::log10; |
246 | using ::log1p; |
247 | using ::log2; |
248 | using ::logb; |
249 | using ::lrint; |
250 | using ::lround; |
251 | using ::llround; |
252 | using ::modf; |
253 | using ::nan; |
254 | using ::nanf; |
255 | using ::nearbyint; |
256 | using ::nextafter; |
257 | using ::pow; |
258 | using ::remainder; |
259 | using ::remquo; |
260 | using ::rint; |
261 | using ::round; |
262 | using ::scalbln; |
263 | using ::scalbn; |
264 | using ::signbit; |
265 | using ::sin; |
266 | using ::sinh; |
267 | using ::sqrt; |
268 | using ::tan; |
269 | using ::tanh; |
270 | using ::tgamma; |
271 | using ::trunc; |
272 | |
273 | #ifdef _LIBCPP_END_NAMESPACE_STD |
274 | _LIBCPP_END_NAMESPACE_STD |
275 | #else |
276 | #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION |
277 | _GLIBCXX_END_NAMESPACE_VERSION |
278 | #endif |
279 | } // namespace std |
280 | #endif |
281 | |
282 | #pragma pop_macro("__DEVICE__") |
283 | |
284 | #endif |
285 |
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