mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 17:40:06 +00:00
9761bf4dfa
This change will eventually make it possible to compile stdlib/strtod_nan_main.c as part of math/s_nan_template.c.
33 lines
1.2 KiB
C
33 lines
1.2 KiB
C
/* NaN payload handling for ldbl-128.
|
|
Copyright (C) 1997-2018 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#define SET_NAN_PAYLOAD(flt, mant) \
|
|
do \
|
|
{ \
|
|
union ieee854_long_double u; \
|
|
u.d = (flt); \
|
|
u.ieee_nan.mantissa0 = 0; \
|
|
u.ieee_nan.mantissa1 = 0; \
|
|
u.ieee_nan.mantissa2 = (mant) >> 32; \
|
|
u.ieee_nan.mantissa3 = (mant); \
|
|
if ((u.ieee.mantissa0 | u.ieee.mantissa1 \
|
|
| u.ieee.mantissa2 | u.ieee.mantissa3) != 0) \
|
|
(flt) = u.d; \
|
|
} \
|
|
while (0)
|