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4b7d1efb | 1 | /* Define aliases for libm float functions. |
688903eb | 2 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
4b7d1efb 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 | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #ifndef _LIBM_ALIAS_FLOAT_H | |
20 | #define _LIBM_ALIAS_FLOAT_H | |
21 | ||
26007a2f JM |
22 | #include <bits/floatn.h> |
23 | ||
24b6515d JM |
24 | /* Define _FloatN / _FloatNx aliases for a float libm function that |
25 | has internal name FROM ## f ## R and public names TO ## suffix ## R | |
26 | for each suffix of a supported _FloatN / _FloatNx floating-point | |
27 | type with the same format as float. */ | |
26007a2f JM |
28 | #if __HAVE_FLOAT32 && !__HAVE_DISTINCT_FLOAT32 |
29 | # define libm_alias_float_other_r(from, to, r) \ | |
30 | weak_alias (from ## f ## r, to ## f32 ## r) | |
31 | #else | |
32 | # define libm_alias_float_other_r(from, to, r) | |
33 | #endif | |
24b6515d JM |
34 | |
35 | /* Likewise, but without the R suffix. */ | |
36 | #define libm_alias_float_other(from, to) \ | |
37 | libm_alias_float_other_r (from, to, ) | |
38 | ||
4b7d1efb JM |
39 | /* Define aliases for a float libm function that has internal name |
40 | FROM ## f ## R and public names TO ## suffix ## R for each suffix | |
41 | of a supported floating-point type with the same format as float. | |
42 | This should only be used for functions where such public names | |
43 | exist for _FloatN types, not for implementation-namespace exported | |
44 | names (where there is one name per format, not per type) or for | |
45 | obsolescent functions not provided for _FloatN types. */ | |
46 | #define libm_alias_float_r(from, to, r) \ | |
26007a2f | 47 | weak_alias (from ## f ## r, to ## f ## r); \ |
24b6515d | 48 | libm_alias_float_other_r (from, to, r) |
4b7d1efb JM |
49 | |
50 | /* Likewise, but without the R suffix. */ | |
51 | #define libm_alias_float(from, to) libm_alias_float_r (from, to, ) | |
52 | ||
53 | #endif |