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[OpenMP][bugfix] Add missing math functions variants for log and abs. 

Summary: When including the random header in C++, some of the math functions it relies on are not present in the CUDA headers. We include this variants in this case.

Reviewers: jdoerfert, hfinkel, tra, caomhin

Reviewed By: tra

Subscribers: efriedma, guansong, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D62046

llvm-svn: 361066
This commit is contained in:
Gheorghe-Teodor Bercea 2019-05-17 19:15:53 +00:00
parent bbfd8d1885
commit 144291e14c
2 changed files with 16 additions and 0 deletions
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5
clang/lib/Headers/__clang_cuda_cmath.h
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@ -51,6 +51,11 @@ __DEVICE__ long abs(long __n) { return ::labs(__n); }
__DEVICE__ float abs(float __x) { return ::fabsf(__x); }
__DEVICE__ double abs(double __x) { return ::fabs(__x); }
#endif
// TODO: remove once variat is supported.
#if defined(_OPENMP) && defined(__cplusplus)
__DEVICE__ const float abs(const float __x) { return ::fabsf((float)__x); }
__DEVICE__ const double abs(const double __x) { return ::fabs((double)__x); }
#endif
__DEVICE__ float acos(float __x) { return ::acosf(__x); }
__DEVICE__ float asin(float __x) { return ::asinf(__x); }
__DEVICE__ float atan(float __x) { return ::atanf(__x); }

11
clang/lib/Headers/__clang_cuda_math_forward_declares.h
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@ -42,6 +42,14 @@ __DEVICE__ long long abs(long long);
__DEVICE__ double abs(double);
__DEVICE__ float abs(float);
#endif
// While providing the CUDA declarations and definitions for math functions,
// we may manually define additional functions.
// TODO: Once variant is supported the additional functions will have
// to be removed.
#if defined(_OPENMP) && defined(__cplusplus)
__DEVICE__ const double abs(const double);
__DEVICE__ const float abs(const float);
#endif
__DEVICE__ int abs(int) __NOEXCEPT;
__DEVICE__ double acos(double);
__DEVICE__ float acos(float);
@ -144,6 +152,9 @@ __DEVICE__ double log2(double);
__DEVICE__ float log2(float);
__DEVICE__ double logb(double);
__DEVICE__ float logb(float);
#if defined(_OPENMP) && defined(__cplusplus)
__DEVICE__ long double log(long double);
#endif
__DEVICE__ double log(double);
__DEVICE__ float log(float);
__DEVICE__ long lrint(double);