2 Copyright (C) 2000-2024 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
20 * isnan(x) returns 1 is x is nan, else 0;
29 fclass.m p6, p7 = farg0, @nat | @qnan | @snan
40 strong_alias (__isnan, __isnanf)
41 strong_alias (__isnan, __isnanl)
43 weak_alias (__isnan, isnan)
44 weak_alias (__isnanf, isnanf)
45 weak_alias (__isnanl, isnanl)