1/* NaN payload handling for ldbl-96.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
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 <https://www.gnu.org/licenses/>. */
18
19#define SET_NAN_PAYLOAD(flt, mant) \
20 do \
21 { \
22 union ieee854_long_double u; \
23 u.d = (flt); \
24 u.ieee_nan.mantissa0 = (mant) >> 32; \
25 u.ieee_nan.mantissa1 = (mant); \
26 if ((u.ieee.mantissa0 | u.ieee.mantissa1) != 0) \
27 (flt) = u.d; \
28 } \
29 while (0)
30