| /*===-- complex --- OpenMP complex wrapper for target regions --------- c++ -=== |
| * |
| * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| * See https://llvm.org/LICENSE.txt for license information. |
| * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __CLANG_OPENMP_COMPLEX__ |
| #define __CLANG_OPENMP_COMPLEX__ |
| |
| #ifndef _OPENMP |
| #error "This file is for OpenMP compilation only." |
| #endif |
| |
| // We require std::math functions in the complex builtins below. |
| #include <cmath> |
| |
| #define __CUDA__ |
| #include <__clang_cuda_complex_builtins.h> |
| #endif |
| |
| // Grab the host header too. |
| #include_next <complex> |
| |
| |
| #ifdef __cplusplus |
| |
| // If we are compiling against libc++, the macro _LIBCPP_STD_VER should be set |
| // after including <cmath> above. Since the complex header we use is a |
| // simplified version of the libc++, we don't need it in this case. If we |
| // compile against libstdc++, or any other standard library, we will overload |
| // the (hopefully template) functions in the <complex> header with the ones we |
| // got from libc++ which decomposes math functions, like `std::sin`, into |
| // arithmetic and calls to non-complex functions, all of which we can then |
| // handle. |
| #ifndef _LIBCPP_STD_VER |
| |
| #pragma omp begin declare variant match( \ |
| device = {arch(nvptx, nvptx64)}, \ |
| implementation = {extension(match_any, allow_templates)}) |
| |
| #include <complex_cmath.h> |
| |
| #pragma omp end declare variant |
| |
| #endif |
| |
| #endif |