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620ff9ee | 1 | /* Define aliases for libm double functions. |
04277e02 | 2 | Copyright (C) 2017-2019 Free Software Foundation, Inc. |
620ff9ee JM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
620ff9ee JM |
18 | |
19 | #ifndef _LIBM_ALIAS_DOUBLE_H | |
20 | #define _LIBM_ALIAS_DOUBLE_H | |
21 | ||
f2d64d62 JM |
22 | #include <bits/floatn.h> |
23 | ||
24 | #if __HAVE_FLOAT64 && !__HAVE_DISTINCT_FLOAT64 | |
25 | # define libm_alias_double_other_r_f64(from, to, r) \ | |
26 | weak_alias (from ## r, to ## f64 ## r) | |
27 | #else | |
28 | # define libm_alias_double_other_r_f64(from, to, r) | |
29 | #endif | |
30 | ||
31 | #if __HAVE_FLOAT32X && !__HAVE_DISTINCT_FLOAT32X | |
32 | # define libm_alias_double_other_r_f32x(from, to, r) \ | |
33 | weak_alias (from ## r, to ## f32x ## r) | |
34 | #else | |
35 | # define libm_alias_double_other_r_f32x(from, to, r) | |
36 | #endif | |
37 | ||
24b6515d JM |
38 | /* Define _FloatN / _FloatNx aliases for a double libm function that |
39 | has internal name FROM ## R and public names TO ## suffix ## R for | |
40 | each suffix of a supported _FloatN / _FloatNx floating-point type | |
41 | with the same format as double. */ | |
f2d64d62 JM |
42 | #define libm_alias_double_other_r(from, to, r) \ |
43 | libm_alias_double_other_r_f64 (from, to, r); \ | |
44 | libm_alias_double_other_r_f32x (from, to, r) | |
24b6515d JM |
45 | |
46 | /* Likewise, but without the R suffix. */ | |
47 | #define libm_alias_double_other(from, to) \ | |
48 | libm_alias_double_other_r (from, to, ) | |
49 | ||
620ff9ee JM |
50 | /* Define aliases for a double libm function that has internal name |
51 | FROM ## R and public names TO ## suffix ## R for each suffix of a | |
52 | supported floating-point type with the same format as double. This | |
53 | should only be used for functions where such public names exist for | |
54 | _FloatN types, not for implementation-namespace exported names | |
55 | (where there is one name per format, not per type) or for | |
56 | obsolescent functions not provided for _FloatN types. */ | |
57 | #ifdef NO_LONG_DOUBLE | |
58 | # define libm_alias_double_r(from, to, r) \ | |
59 | weak_alias (from ## r, to ## r) \ | |
60 | strong_alias (from ## r, from ## l ## r) \ | |
f2d64d62 | 61 | weak_alias (from ## r, to ## l ## r); \ |
24b6515d | 62 | libm_alias_double_other_r (from, to, r) |
620ff9ee JM |
63 | #else |
64 | # define libm_alias_double_r(from, to, r) \ | |
f2d64d62 | 65 | weak_alias (from ## r, to ## r); \ |
24b6515d | 66 | libm_alias_double_other_r (from, to, r) |
620ff9ee JM |
67 | #endif |
68 | ||
69 | /* Likewise, but without the R suffix. */ | |
70 | #define libm_alias_double(from, to) libm_alias_double_r (from, to, ) | |
71 | ||
72 | #endif |