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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | /*===-- complex --- OpenMP complex wrapper for target regions --------- c++ -=== |
| 2 | * |
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| 3 | * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | * See https://llvm.org/LICENSE.txt for license information. |
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| 5 | * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | * |
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| 7 | *===-----------------------------------------------------------------------=== |
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| 8 | */ |
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| 9 | |||
| 10 | #ifndef __CLANG_OPENMP_COMPLEX__ |
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| 11 | #define __CLANG_OPENMP_COMPLEX__ |
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| 12 | |||
| 13 | #ifndef _OPENMP |
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| 14 | #error "This file is for OpenMP compilation only." |
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| 15 | #endif |
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| 16 | |||
| 17 | // We require std::math functions in the complex builtins below. |
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| 18 | #include <cmath> |
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| 19 | |||
| 20 | #ifdef __NVPTX__ |
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| 21 | #define __OPENMP_NVPTX__ |
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| 22 | #include <__clang_cuda_complex_builtins.h> |
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| 23 | #undef __OPENMP_NVPTX__ |
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| 24 | #endif // __NVPTX__ |
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| 25 | |||
| 26 | #ifdef __AMDGCN__ |
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| 27 | #define __OPENMP_AMDGCN__ |
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| 28 | #include <__clang_cuda_complex_builtins.h> |
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| 29 | #undef __OPENMP_AMDGCN__ |
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| 30 | #endif // __AMDGCN__ |
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| 31 | |||
| 32 | #endif |
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| 33 | |||
| 34 | // Grab the host header too. |
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| 35 | #include_next <complex> |
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| 36 | |||
| 37 | // If we are compiling against libc++, the macro _LIBCPP_STD_VER should be set |
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| 38 | // after including <cmath> above. Since the complex header we use is a |
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| 39 | // simplified version of the libc++, we don't need it in this case. If we |
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| 40 | // compile against libstdc++, or any other standard library, we will overload |
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| 41 | // the (hopefully template) functions in the <complex> header with the ones we |
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| 42 | // got from libc++ which decomposes math functions, like `std::sin`, into |
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| 43 | // arithmetic and calls to non-complex functions, all of which we can then |
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| 44 | // handle. |
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| 45 | #ifndef _LIBCPP_STD_VER |
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| 46 | |||
| 47 | #pragma omp begin declare variant match( \ |
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| 48 | device = {arch(amdgcn, nvptx, nvptx64)}, \ |
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| 49 | implementation = {extension(match_any, allow_templates)}) |
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| 50 | |||
| 51 | #include <complex_cmath.h> |
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| 52 | |||
| 53 | #pragma omp end declare variant |
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| 54 | |||
| 55 | #endif // _LIBCPP_STD_VER |