1 /* Return the least floating-point number greater than X.
2 Copyright (C) 2016-2023 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/>. */
21 #include <math_private.h>
22 #include <libm-alias-double.h>
24 /* Return the least floating-point number greater than X. */
31 EXTRACT_WORDS (hx
, lx
, x
);
34 if (((ix
>= 0x7ff00000) && ((ix
- 0x7ff00000) | lx
) != 0)) /* x is nan. */
52 INSERT_WORDS (x
, hx
, lx
);
56 libm_alias_double (__nextup
, nextup
)