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f8e8b8ed | 1 | /* Get NaN payload. ldbl-128ibm version. |
688903eb | 2 | Copyright (C) 2016-2018 Free Software Foundation, Inc. |
f8e8b8ed JM |
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 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <fix-int-fp-convert-zero.h> | |
20 | #include <math.h> | |
21 | #include <math_private.h> | |
22 | #include <stdint.h> | |
23 | ||
24 | long double | |
01f28812 | 25 | __getpayloadl (const long double *x) |
f8e8b8ed JM |
26 | { |
27 | double xhi = ldbl_high (*x); | |
28 | uint64_t ix; | |
29 | EXTRACT_WORDS64 (ix, xhi); | |
30 | ix &= 0x7ffffffffffffULL; | |
31 | if (FIX_INT_FP_CONVERT_ZERO && ix == 0) | |
32 | return 0.0L; | |
33 | return (long double) ix; | |
34 | } | |
01f28812 | 35 | weak_alias (__getpayloadl, getpayloadl) |