complex (1802B) - Raw
1 /*===-- complex --- OpenMP complex wrapper for target regions --------- c++ -=== 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 10 #ifndef __CLANG_OPENMP_COMPLEX__ 11 #define __CLANG_OPENMP_COMPLEX__ 12 13 #ifndef _OPENMP 14 #error "This file is for OpenMP compilation only." 15 #endif 16 17 // We require std::math functions in the complex builtins below. 18 #include <cmath> 19 20 #ifdef __NVPTX__ 21 #define __OPENMP_NVPTX__ 22 #include <__clang_cuda_complex_builtins.h> 23 #undef __OPENMP_NVPTX__ 24 #endif // __NVPTX__ 25 26 #ifdef __AMDGCN__ 27 #define __OPENMP_AMDGCN__ 28 #include <__clang_cuda_complex_builtins.h> 29 #undef __OPENMP_AMDGCN__ 30 #endif // __AMDGCN__ 31 32 #endif 33 34 // Grab the host header too. 35 #include_next <complex> 36 37 // If we are compiling against libc++, the macro _LIBCPP_STD_VER should be set 38 // after including <cmath> above. Since the complex header we use is a 39 // simplified version of the libc++, we don't need it in this case. If we 40 // compile against libstdc++, or any other standard library, we will overload 41 // the (hopefully template) functions in the <complex> header with the ones we 42 // got from libc++ which decomposes math functions, like `std::sin`, into 43 // arithmetic and calls to non-complex functions, all of which we can then 44 // handle. 45 #ifndef _LIBCPP_STD_VER 46 47 #pragma omp begin declare variant match( \ 48 device = {arch(amdgcn, nvptx, nvptx64)}, \ 49 implementation = {extension(match_any, allow_templates)}) 50 51 #include <complex_cmath.h> 52 53 #pragma omp end declare variant 54 55 #endif // _LIBCPP_STD_VER