1 /*===-- flang/runtime/complex-reduction.h ---------------------------*- 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 /* Wraps the C++-coded complex-valued SUM and PRODUCT reductions with
11  * C-coded wrapper functions returning _Complex values, to avoid problems
12  * with C++ build compilers that don't support C's _Complex.
13  */
14 
15 #ifndef FORTRAN_RUNTIME_COMPLEX_REDUCTION_H_
16 #define FORTRAN_RUNTIME_COMPLEX_REDUCTION_H_
17 
18 #include "flang/Runtime/entry-names.h"
19 #include <complex.h>
20 
21 struct CppDescriptor; /* dummy type name for Fortran::runtime::Descriptor */
22 
23 #if defined(_MSC_VER) && !(defined(__clang_major__) && __clang_major__ >= 12)
24 typedef _Fcomplex float_Complex_t;
25 typedef _Dcomplex double_Complex_t;
26 typedef _Lcomplex long_double_Complex_t;
27 #else
28 typedef float _Complex float_Complex_t;
29 typedef double _Complex double_Complex_t;
30 typedef long double long_double_Complex_t;
31 #endif
32 
33 #define REDUCTION_ARGS \
34   const struct CppDescriptor *x, const char *source, int line, int dim /*=0*/, \
35       const struct CppDescriptor *mask /*=NULL*/
36 #define REDUCTION_ARG_NAMES x, source, line, dim, mask
37 
38 float_Complex_t RTNAME(SumComplex2)(REDUCTION_ARGS);
39 float_Complex_t RTNAME(SumComplex3)(REDUCTION_ARGS);
40 float_Complex_t RTNAME(SumComplex4)(REDUCTION_ARGS);
41 double_Complex_t RTNAME(SumComplex8)(REDUCTION_ARGS);
42 long_double_Complex_t RTNAME(SumComplex10)(REDUCTION_ARGS);
43 long_double_Complex_t RTNAME(SumComplex16)(REDUCTION_ARGS);
44 
45 float_Complex_t RTNAME(ProductComplex2)(REDUCTION_ARGS);
46 float_Complex_t RTNAME(ProductComplex3)(REDUCTION_ARGS);
47 float_Complex_t RTNAME(ProductComplex4)(REDUCTION_ARGS);
48 double_Complex_t RTNAME(ProductComplex8)(REDUCTION_ARGS);
49 long_double_Complex_t RTNAME(ProductComplex10)(REDUCTION_ARGS);
50 long_double_Complex_t RTNAME(ProductComplex16)(REDUCTION_ARGS);
51 
52 #define DOT_PRODUCT_ARGS \
53   const struct CppDescriptor *x, const struct CppDescriptor *y, \
54       const char *source, int line, int dim /*=0*/, \
55       const struct CppDescriptor *mask /*=NULL*/
56 #define DOT_PRODUCT_ARG_NAMES x, y, source, line, dim, mask
57 
58 float_Complex_t RTNAME(DotProductComplex2)(DOT_PRODUCT_ARGS);
59 float_Complex_t RTNAME(DotProductComplex3)(DOT_PRODUCT_ARGS);
60 float_Complex_t RTNAME(DotProductComplex4)(DOT_PRODUCT_ARGS);
61 double_Complex_t RTNAME(DotProductComplex8)(DOT_PRODUCT_ARGS);
62 long_double_Complex_t RTNAME(DotProductComplex10)(DOT_PRODUCT_ARGS);
63 long_double_Complex_t RTNAME(DotProductComplex16)(DOT_PRODUCT_ARGS);
64 
65 #endif // FORTRAN_RUNTIME_COMPLEX_REDUCTION_H_
66