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__clang_cuda_math_forward_declares.h
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1 /*===- __clang_math_forward_declares.h - Prototypes of __device__ math fns --===
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23 #ifndef __CLANG__CUDA_MATH_FORWARD_DECLARES_H__
24 #define __CLANG__CUDA_MATH_FORWARD_DECLARES_H__
25 #ifndef __CUDA__
26 #error "This file is for CUDA compilation only."
27 #endif
28 
29 // This file forward-declares of some math functions we (or the CUDA headers)
30 // will define later. We need to do this, and do it before cmath is included,
31 // because the standard library may have constexpr math functions. In the
32 // absence of a prior __device__ decl, those constexpr functions may become
33 // implicitly host+device. host+device functions can't be overloaded, so that
34 // would preclude the use of our own __device__ overloads for these functions.
35 
36 #pragma push_macro("__DEVICE__")
37 #define __DEVICE__ \
38  static __inline__ __attribute__((always_inline)) __attribute__((device))
39 
40 __DEVICE__ double abs(double);
41 __DEVICE__ float abs(float);
42 __DEVICE__ int abs(int);
43 __DEVICE__ long abs(long);
44 __DEVICE__ long long abs(long long);
45 __DEVICE__ double acos(double);
46 __DEVICE__ float acos(float);
47 __DEVICE__ double acosh(double);
48 __DEVICE__ float acosh(float);
49 __DEVICE__ double asin(double);
50 __DEVICE__ float asin(float);
51 __DEVICE__ double asinh(double);
52 __DEVICE__ float asinh(float);
53 __DEVICE__ double atan2(double, double);
54 __DEVICE__ float atan2(float, float);
55 __DEVICE__ double atan(double);
56 __DEVICE__ float atan(float);
57 __DEVICE__ double atanh(double);
58 __DEVICE__ float atanh(float);
59 __DEVICE__ double cbrt(double);
60 __DEVICE__ float cbrt(float);
61 __DEVICE__ double ceil(double);
62 __DEVICE__ float ceil(float);
63 __DEVICE__ double copysign(double, double);
64 __DEVICE__ float copysign(float, float);
65 __DEVICE__ double cos(double);
66 __DEVICE__ float cos(float);
67 __DEVICE__ double cosh(double);
68 __DEVICE__ float cosh(float);
69 __DEVICE__ double erfc(double);
70 __DEVICE__ float erfc(float);
71 __DEVICE__ double erf(double);
72 __DEVICE__ float erf(float);
73 __DEVICE__ double exp2(double);
74 __DEVICE__ float exp2(float);
75 __DEVICE__ double exp(double);
76 __DEVICE__ float exp(float);
77 __DEVICE__ double expm1(double);
78 __DEVICE__ float expm1(float);
79 __DEVICE__ double fabs(double);
80 __DEVICE__ float fabs(float);
81 __DEVICE__ double fdim(double, double);
82 __DEVICE__ float fdim(float, float);
83 __DEVICE__ double floor(double);
84 __DEVICE__ float floor(float);
85 __DEVICE__ double fma(double, double, double);
86 __DEVICE__ float fma(float, float, float);
87 __DEVICE__ double fmax(double, double);
88 __DEVICE__ float fmax(float, float);
89 __DEVICE__ double fmin(double, double);
90 __DEVICE__ float fmin(float, float);
91 __DEVICE__ double fmod(double, double);
92 __DEVICE__ float fmod(float, float);
93 __DEVICE__ int fpclassify(double);
94 __DEVICE__ int fpclassify(float);
95 __DEVICE__ double frexp(double, int *);
96 __DEVICE__ float frexp(float, int *);
97 __DEVICE__ double hypot(double, double);
98 __DEVICE__ float hypot(float, float);
99 __DEVICE__ int ilogb(double);
100 __DEVICE__ int ilogb(float);
101 __DEVICE__ bool isfinite(double);
102 __DEVICE__ bool isfinite(float);
103 __DEVICE__ bool isgreater(double, double);
104 __DEVICE__ bool isgreaterequal(double, double);
105 __DEVICE__ bool isgreaterequal(float, float);
106 __DEVICE__ bool isgreater(float, float);
107 __DEVICE__ bool isinf(double);
108 __DEVICE__ bool isinf(float);
109 __DEVICE__ bool isless(double, double);
110 __DEVICE__ bool islessequal(double, double);
111 __DEVICE__ bool islessequal(float, float);
112 __DEVICE__ bool isless(float, float);
113 __DEVICE__ bool islessgreater(double, double);
114 __DEVICE__ bool islessgreater(float, float);
115 __DEVICE__ bool isnan(double);
116 __DEVICE__ bool isnan(float);
117 __DEVICE__ bool isnormal(double);
118 __DEVICE__ bool isnormal(float);
119 __DEVICE__ bool isunordered(double, double);
120 __DEVICE__ bool isunordered(float, float);
121 __DEVICE__ long labs(long);
122 __DEVICE__ double ldexp(double, int);
123 __DEVICE__ float ldexp(float, int);
124 __DEVICE__ double lgamma(double);
125 __DEVICE__ float lgamma(float);
126 __DEVICE__ long long llabs(long long);
127 __DEVICE__ long long llrint(double);
128 __DEVICE__ long long llrint(float);
129 __DEVICE__ double log10(double);
130 __DEVICE__ float log10(float);
131 __DEVICE__ double log1p(double);
132 __DEVICE__ float log1p(float);
133 __DEVICE__ double log2(double);
134 __DEVICE__ float log2(float);
135 __DEVICE__ double logb(double);
136 __DEVICE__ float logb(float);
137 __DEVICE__ double log(double);
138 __DEVICE__ float log(float);
139 __DEVICE__ long lrint(double);
140 __DEVICE__ long lrint(float);
141 __DEVICE__ long lround(double);
142 __DEVICE__ long lround(float);
143 __DEVICE__ long long llround(float); // No llround(double).
144 __DEVICE__ double modf(double, double *);
145 __DEVICE__ float modf(float, float *);
146 __DEVICE__ double nan(const char *);
147 __DEVICE__ float nanf(const char *);
148 __DEVICE__ double nearbyint(double);
149 __DEVICE__ float nearbyint(float);
150 __DEVICE__ double nextafter(double, double);
151 __DEVICE__ float nextafter(float, float);
152 __DEVICE__ double pow(double, double);
153 __DEVICE__ double pow(double, int);
154 __DEVICE__ float pow(float, float);
155 __DEVICE__ float pow(float, int);
156 __DEVICE__ double remainder(double, double);
157 __DEVICE__ float remainder(float, float);
158 __DEVICE__ double remquo(double, double, int *);
159 __DEVICE__ float remquo(float, float, int *);
160 __DEVICE__ double rint(double);
161 __DEVICE__ float rint(float);
162 __DEVICE__ double round(double);
163 __DEVICE__ float round(float);
164 __DEVICE__ double scalbln(double, long);
165 __DEVICE__ float scalbln(float, long);
166 __DEVICE__ double scalbn(double, int);
167 __DEVICE__ float scalbn(float, int);
168 __DEVICE__ bool signbit(double);
169 __DEVICE__ bool signbit(float);
170 __DEVICE__ double sin(double);
171 __DEVICE__ float sin(float);
172 __DEVICE__ double sinh(double);
173 __DEVICE__ float sinh(float);
174 __DEVICE__ double sqrt(double);
175 __DEVICE__ float sqrt(float);
176 __DEVICE__ double tan(double);
177 __DEVICE__ float tan(float);
178 __DEVICE__ double tanh(double);
179 __DEVICE__ float tanh(float);
180 __DEVICE__ double tgamma(double);
181 __DEVICE__ float tgamma(float);
182 __DEVICE__ double trunc(double);
183 __DEVICE__ float trunc(float);
184 
185 // Notably missing above is nexttoward, which we don't define on
186 // the device side because libdevice doesn't give us an implementation, and we
187 // don't want to be in the business of writing one ourselves.
188 
189 // We need to define these overloads in exactly the namespace our standard
190 // library uses (including the right inline namespace), otherwise they won't be
191 // picked up by other functions in the standard library (e.g. functions in
192 // <complex>). Thus the ugliness below.
193 #ifdef _LIBCPP_BEGIN_NAMESPACE_STD
194 _LIBCPP_BEGIN_NAMESPACE_STD
195 #else
196 namespace std {
197 #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
198 _GLIBCXX_BEGIN_NAMESPACE_VERSION
199 #endif
200 #endif
201 
274 
275 #ifdef _LIBCPP_END_NAMESPACE_STD
276 _LIBCPP_END_NAMESPACE_STD
277 #else
278 #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
279 _GLIBCXX_END_NAMESPACE_VERSION
280 #endif
281 } // namespace std
282 #endif
283 
284 #pragma pop_macro("__DEVICE__")
285 
286 #endif
__DEVICE__ float nanf(const char *)
__DEVICE__ double pow(double, double)
__DEVICE__ double erf(double)
__DEVICE__ double ldexp(double, int)
__DEVICE__ double exp2(double)
__DEVICE__ int ilogb(double)
__DEVICE__ double asin(double)
__DEVICE__ double rint(double)
__DEVICE__ double log1p(double)
__DEVICE__ double expm1(double)
__DEVICE__ double fma(double, double, double)
__DEVICE__ double cbrt(double)
__DEVICE__ double fmin(double, double)
__DEVICE__ bool isnan(double)
__DEVICE__ double atan(double)
__DEVICE__ double asinh(double)
__DEVICE__ double nextafter(double, double)
__DEVICE__ double fabs(double)
__DEVICE__ double trunc(double)
Definition: Format.h:1900
__DEVICE__ bool isunordered(double, double)
__DEVICE__ double sqrt(double)
__DEVICE__ bool islessgreater(double, double)
__DEVICE__ double atanh(double)
__DEVICE__ long labs(long)
__DEVICE__ double fmax(double, double)
__DEVICE__ double remquo(double, double, int *)
__DEVICE__ bool signbit(double)
__DEVICE__ bool isinf(double)
__DEVICE__ double log10(double)
__DEVICE__ double sin(double)
__DEVICE__ long lround(double)
__DEVICE__ double sinh(double)
__DEVICE__ bool islessequal(double, double)
__DEVICE__ double remainder(double, double)
__DEVICE__ double scalbln(double, long)
__DEVICE__ double nearbyint(double)
__DEVICE__ double exp(double)
__DEVICE__ double logb(double)
__DEVICE__ double cos(double)
__DEVICE__ double cosh(double)
__DEVICE__ bool isless(double, double)
__DEVICE__ double fdim(double, double)
__DEVICE__ double tanh(double)
__DEVICE__ long long llrint(double)
__DEVICE__ double hypot(double, double)
__DEVICE__ double ceil(double)
__DEVICE__ bool isnormal(double)
__DEVICE__ double acos(double)
__DEVICE__ long long llround(float)
__DEVICE__ long long llabs(long long)
__DEVICE__ double abs(double)
__DEVICE__ double copysign(double, double)
__DEVICE__ double modf(double, double *)
__DEVICE__ double nan(const char *)
__DEVICE__ double lgamma(double)
__DEVICE__ int fpclassify(double)
__DEVICE__ long lrint(double)
__DEVICE__ double acosh(double)
__DEVICE__ double scalbn(double, int)
__DEVICE__ double fmod(double, double)
__DEVICE__ double atan2(double, double)
__DEVICE__ double round(double)
__DEVICE__ bool isfinite(double)
__DEVICE__ bool isgreaterequal(double, double)
__DEVICE__ double tan(double)
__DEVICE__ double floor(double)
__DEVICE__ double erfc(double)
__DEVICE__ double log2(double)
__DEVICE__ double frexp(double, int *)
__DEVICE__ bool isgreater(double, double)
__DEVICE__ double tgamma(double)
__DEVICE__ double log(double)