getprogname: Work around program name truncation when possible.
[gnulib.git] / lib / frexpl.c
blob2ac0c03fd876e8cbdb1771007eadad204ee9077e
1 /* Split a 'long double' into fraction and mantissa.
2 Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
17 #include <config.h>
19 #if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
21 /* Specification. */
22 # include <math.h>
24 long double
25 frexpl (long double x, int *expptr)
27 return frexp (x, expptr);
30 #else
32 # define USE_LONG_DOUBLE
33 # include "frexp.c"
35 #endif