1/* Define aliases for libm _Float128 functions.
2 Copyright (C) 2017-2021 Free Software Foundation, Inc.
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 <https://www.gnu.org/licenses/>. */
18
19#ifndef _LIBM_ALIAS_FLOAT128_H
20#define _LIBM_ALIAS_FLOAT128_H
21
22#include <bits/floatn.h>
23
24/* Define _FloatN / _FloatNx aliases (other than that for _Float128)
25 for a _Float128 libm function that has internal name FROM ## f128
26 ## R and public names TO ## suffix ## R for each suffix of a
27 supported _FloatN / _FloatNx floating-point type with the same
28 format as _Float128. */
29#if __HAVE_FLOAT64X && !__HAVE_FLOAT64X_LONG_DOUBLE
30# define libm_alias_float128_other_r(from, to, r) \
31 weak_alias (from ## f128 ## r, to ## f64x ## r)
32#else
33# define libm_alias_float128_other_r(from, to, r)
34#endif
35
36/* Likewise, but without the R suffix. */
37#define libm_alias_float128_other(from, to) \
38 libm_alias_float128_other_r (from, to, )
39
40/* Define aliases for a _Float128 libm function that has internal name
41 FROM ## f128 ## R and public names TO ## suffix ## R for each
42 suffix of a supported floating-point type with the same format as
43 _Float128. This should only be used for functions where such
44 public names exist for _FloatN types, not for
45 implementation-namespace exported names (where there is one name
46 per format, not per type) or for obsolescent functions not provided
47 for _FloatN types. */
48#define libm_alias_float128_r(from, to, r) \
49 weak_alias (from ## f128 ## r, to ## f128 ## r); \
50 libm_alias_float128_other_r (from, to, r)
51
52/* Likewise, but without the R suffix. */
53#define libm_alias_float128(from, to) libm_alias_float128_r (from, to, )
54
55#endif
56