]>
git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/ieee754/ldbl-96/s_nextupl.c
701842d3e17b474adc455a6c507343ed6ab64208
1 /* Return the least floating-point number greater than X.
2 Copyright (C) 2016 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 <http://www.gnu.org/licenses/>. */
20 #include <math_private.h>
22 /* Return the least floating-point number greater than X. */
24 __nextupl (long double x
)
30 GET_LDOUBLE_WORDS (esx
, hx
, lx
, x
);
33 if (((ix
== 0x7fff) && (((hx
& 0x7fffffff) | lx
) != 0))) /* x is nan. */
35 if ((ix
| hx
| lx
) == 0)
45 #if LDBL_MIN_EXP == -16381
46 if (hx
== 0 || (esx
== 0 && hx
== 0x80000000))
60 #if LDBL_MIN_EXP == -16381
61 if (hx
<= 0x80000000 && esx
!= 0xffff8000)
65 if ((esx
& 0x7fff) > 0)
71 if (ix
!= 0 && hx
== 0x80000000)
80 SET_LDOUBLE_WORDS (x
, esx
, hx
, lx
);
84 weak_alias (__nextupl
, nextupl
)