blob: 761bd69b58242968e9d3a55e16f3cf2e6f342252 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
/* Get NaN payload. ldbl-96 version.
Copyright (C) 2016-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <math_private.h>
#include <libm-alias-ldouble.h>
#include <stdint.h>
long double
__getpayloadl (const long double *x)
{
uint16_t se __attribute__ ((unused));
uint32_t hx, lx;
GET_LDOUBLE_WORDS (se, hx, lx, *x);
if ((se & 0x7fff) != 0x7fff
|| ((hx & 0x7fffffff) | lx) == 0)
return -1;
hx &= 0x3fffffff;
uint64_t ix = ((uint64_t) hx << 32) | lx;
return (long double) ix;
}
libm_alias_ldouble (__getpayload, getpayload)
|
