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
|
/* NaN payload handling or ldbl-128ibm.
Copyright (C) 1997-2024 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/>. */
#define SET_NAN_PAYLOAD(flt, mant) \
do \
{ \
union ibm_extended_long_double u; \
u.ld = (flt); \
u.d[0].ieee_nan.mantissa0 = (mant) >> 32; \
u.d[0].ieee_nan.mantissa1 = (mant); \
if ((u.d[0].ieee.mantissa0 | u.d[0].ieee.mantissa1) != 0) \
(flt) = u.ld; \
} \
while (0)
|
