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- /*===- __clang_math_forward_declares.h - Prototypes of __device__ math fns --===
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- *===-----------------------------------------------------------------------===
- */
- #ifndef __CLANG__CUDA_MATH_FORWARD_DECLARES_H__
- #define __CLANG__CUDA_MATH_FORWARD_DECLARES_H__
- #ifndef __CUDA__
- #error "This file is for CUDA compilation only."
- #endif
- // This file forward-declares of some math functions we (or the CUDA headers)
- // will define later. We need to do this, and do it before cmath is included,
- // because the standard library may have constexpr math functions. In the
- // absence of a prior __device__ decl, those constexpr functions may become
- // implicitly host+device. host+device functions can't be overloaded, so that
- // would preclude the use of our own __device__ overloads for these functions.
- #pragma push_macro("__DEVICE__")
- #define __DEVICE__ \
- static __inline__ __attribute__((always_inline)) __attribute__((device))
- __DEVICE__ double abs(double);
- __DEVICE__ float abs(float);
- __DEVICE__ int abs(int);
- __DEVICE__ long abs(long);
- __DEVICE__ long long abs(long long);
- __DEVICE__ double acos(double);
- __DEVICE__ float acos(float);
- __DEVICE__ double acosh(double);
- __DEVICE__ float acosh(float);
- __DEVICE__ double asin(double);
- __DEVICE__ float asin(float);
- __DEVICE__ double asinh(double);
- __DEVICE__ float asinh(float);
- __DEVICE__ double atan2(double, double);
- __DEVICE__ float atan2(float, float);
- __DEVICE__ double atan(double);
- __DEVICE__ float atan(float);
- __DEVICE__ double atanh(double);
- __DEVICE__ float atanh(float);
- __DEVICE__ double cbrt(double);
- __DEVICE__ float cbrt(float);
- __DEVICE__ double ceil(double);
- __DEVICE__ float ceil(float);
- __DEVICE__ double copysign(double, double);
- __DEVICE__ float copysign(float, float);
- __DEVICE__ double cos(double);
- __DEVICE__ float cos(float);
- __DEVICE__ double cosh(double);
- __DEVICE__ float cosh(float);
- __DEVICE__ double erfc(double);
- __DEVICE__ float erfc(float);
- __DEVICE__ double erf(double);
- __DEVICE__ float erf(float);
- __DEVICE__ double exp2(double);
- __DEVICE__ float exp2(float);
- __DEVICE__ double exp(double);
- __DEVICE__ float exp(float);
- __DEVICE__ double expm1(double);
- __DEVICE__ float expm1(float);
- __DEVICE__ double fabs(double);
- __DEVICE__ float fabs(float);
- __DEVICE__ double fdim(double, double);
- __DEVICE__ float fdim(float, float);
- __DEVICE__ double floor(double);
- __DEVICE__ float floor(float);
- __DEVICE__ double fma(double, double, double);
- __DEVICE__ float fma(float, float, float);
- __DEVICE__ double fmax(double, double);
- __DEVICE__ float fmax(float, float);
- __DEVICE__ double fmin(double, double);
- __DEVICE__ float fmin(float, float);
- __DEVICE__ double fmod(double, double);
- __DEVICE__ float fmod(float, float);
- __DEVICE__ int fpclassify(double);
- __DEVICE__ int fpclassify(float);
- __DEVICE__ double frexp(double, int *);
- __DEVICE__ float frexp(float, int *);
- __DEVICE__ double hypot(double, double);
- __DEVICE__ float hypot(float, float);
- __DEVICE__ int ilogb(double);
- __DEVICE__ int ilogb(float);
- __DEVICE__ bool isfinite(double);
- __DEVICE__ bool isfinite(float);
- __DEVICE__ bool isgreater(double, double);
- __DEVICE__ bool isgreaterequal(double, double);
- __DEVICE__ bool isgreaterequal(float, float);
- __DEVICE__ bool isgreater(float, float);
- __DEVICE__ bool isinf(double);
- __DEVICE__ bool isinf(float);
- __DEVICE__ bool isless(double, double);
- __DEVICE__ bool islessequal(double, double);
- __DEVICE__ bool islessequal(float, float);
- __DEVICE__ bool isless(float, float);
- __DEVICE__ bool islessgreater(double, double);
- __DEVICE__ bool islessgreater(float, float);
- __DEVICE__ bool isnan(double);
- __DEVICE__ bool isnan(float);
- __DEVICE__ bool isnormal(double);
- __DEVICE__ bool isnormal(float);
- __DEVICE__ bool isunordered(double, double);
- __DEVICE__ bool isunordered(float, float);
- __DEVICE__ long labs(long);
- __DEVICE__ double ldexp(double, int);
- __DEVICE__ float ldexp(float, int);
- __DEVICE__ double lgamma(double);
- __DEVICE__ float lgamma(float);
- __DEVICE__ long long llabs(long long);
- __DEVICE__ long long llrint(double);
- __DEVICE__ long long llrint(float);
- __DEVICE__ double log10(double);
- __DEVICE__ float log10(float);
- __DEVICE__ double log1p(double);
- __DEVICE__ float log1p(float);
- __DEVICE__ double log2(double);
- __DEVICE__ float log2(float);
- __DEVICE__ double logb(double);
- __DEVICE__ float logb(float);
- __DEVICE__ double log(double);
- __DEVICE__ float log(float);
- __DEVICE__ long lrint(double);
- __DEVICE__ long lrint(float);
- __DEVICE__ long lround(double);
- __DEVICE__ long lround(float);
- __DEVICE__ long long llround(float); // No llround(double).
- __DEVICE__ double modf(double, double *);
- __DEVICE__ float modf(float, float *);
- __DEVICE__ double nan(const char *);
- __DEVICE__ float nanf(const char *);
- __DEVICE__ double nearbyint(double);
- __DEVICE__ float nearbyint(float);
- __DEVICE__ double nextafter(double, double);
- __DEVICE__ float nextafter(float, float);
- __DEVICE__ double pow(double, double);
- __DEVICE__ double pow(double, int);
- __DEVICE__ float pow(float, float);
- __DEVICE__ float pow(float, int);
- __DEVICE__ double remainder(double, double);
- __DEVICE__ float remainder(float, float);
- __DEVICE__ double remquo(double, double, int *);
- __DEVICE__ float remquo(float, float, int *);
- __DEVICE__ double rint(double);
- __DEVICE__ float rint(float);
- __DEVICE__ double round(double);
- __DEVICE__ float round(float);
- __DEVICE__ double scalbln(double, long);
- __DEVICE__ float scalbln(float, long);
- __DEVICE__ double scalbn(double, int);
- __DEVICE__ float scalbn(float, int);
- __DEVICE__ bool signbit(double);
- __DEVICE__ bool signbit(float);
- __DEVICE__ double sin(double);
- __DEVICE__ float sin(float);
- __DEVICE__ double sinh(double);
- __DEVICE__ float sinh(float);
- __DEVICE__ double sqrt(double);
- __DEVICE__ float sqrt(float);
- __DEVICE__ double tan(double);
- __DEVICE__ float tan(float);
- __DEVICE__ double tanh(double);
- __DEVICE__ float tanh(float);
- __DEVICE__ double tgamma(double);
- __DEVICE__ float tgamma(float);
- __DEVICE__ double trunc(double);
- __DEVICE__ float trunc(float);
- // Notably missing above is nexttoward, which we don't define on
- // the device side because libdevice doesn't give us an implementation, and we
- // don't want to be in the business of writing one ourselves.
- // We need to define these overloads in exactly the namespace our standard
- // library uses (including the right inline namespace), otherwise they won't be
- // picked up by other functions in the standard library (e.g. functions in
- // <complex>). Thus the ugliness below.
- #ifdef _LIBCPP_BEGIN_NAMESPACE_STD
- _LIBCPP_BEGIN_NAMESPACE_STD
- #else
- namespace std {
- #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
- _GLIBCXX_BEGIN_NAMESPACE_VERSION
- #endif
- #endif
- using ::abs;
- using ::acos;
- using ::acosh;
- using ::asin;
- using ::asinh;
- using ::atan;
- using ::atan2;
- using ::atanh;
- using ::cbrt;
- using ::ceil;
- using ::copysign;
- using ::cos;
- using ::cosh;
- using ::erf;
- using ::erfc;
- using ::exp;
- using ::exp2;
- using ::expm1;
- using ::fabs;
- using ::fdim;
- using ::floor;
- using ::fma;
- using ::fmax;
- using ::fmin;
- using ::fmod;
- using ::fpclassify;
- using ::frexp;
- using ::hypot;
- using ::ilogb;
- using ::isfinite;
- using ::isgreater;
- using ::isgreaterequal;
- using ::isinf;
- using ::isless;
- using ::islessequal;
- using ::islessgreater;
- using ::isnan;
- using ::isnormal;
- using ::isunordered;
- using ::labs;
- using ::ldexp;
- using ::lgamma;
- using ::llabs;
- using ::llrint;
- using ::log;
- using ::log10;
- using ::log1p;
- using ::log2;
- using ::logb;
- using ::lrint;
- using ::lround;
- using ::llround;
- using ::modf;
- using ::nan;
- using ::nanf;
- using ::nearbyint;
- using ::nextafter;
- using ::pow;
- using ::remainder;
- using ::remquo;
- using ::rint;
- using ::round;
- using ::scalbln;
- using ::scalbn;
- using ::signbit;
- using ::sin;
- using ::sinh;
- using ::sqrt;
- using ::tan;
- using ::tanh;
- using ::tgamma;
- using ::trunc;
- #ifdef _LIBCPP_END_NAMESPACE_STD
- _LIBCPP_END_NAMESPACE_STD
- #else
- #ifdef _GLIBCXX_BEGIN_NAMESPACE_VERSION
- _GLIBCXX_END_NAMESPACE_VERSION
- #endif
- } // namespace std
- #endif
- #pragma pop_macro("__DEVICE__")
- #endif
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