1 /*===-- complex --- OpenMP complex wrapper for target regions --------- c++ -===
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
7 *===-----------------------------------------------------------------------===
10 #ifndef __CLANG_OPENMP_COMPLEX__
11 #define __CLANG_OPENMP_COMPLEX__
14 #error "This file is for OpenMP compilation only."
17 // We require std::math functions in the complex builtins below.
21 #define __OPENMP_NVPTX__
22 #include <__clang_cuda_complex_builtins.h>
23 #undef __OPENMP_NVPTX__
27 #define __OPENMP_AMDGCN__
28 #include <__clang_cuda_complex_builtins.h>
29 #undef __OPENMP_AMDGCN__
34 // Grab the host header too.
35 #include_next <complex>
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
45 #ifndef _LIBCPP_STD_VER
47 #pragma omp begin declare variant match( \
48 device = {arch(amdgcn, nvptx, nvptx64)}, \
49 implementation = {extension(match_any, allow_templates)})
51 #include <complex_cmath.h>
53 #pragma omp end declare variant
55 #endif // _LIBCPP_STD_VER