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9761bf4d | 1 | /* NaN payload handling for float. |
04277e02 | 2 | Copyright (C) 1997-2019 Free Software Foundation, Inc. |
e02cabec 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
e02cabec | 18 | |
9761bf4d | 19 | #define SET_NAN_PAYLOAD(flt, mant) \ |
e02cabec JM |
20 | do \ |
21 | { \ | |
22 | union ieee754_float u; \ | |
23 | u.f = (flt); \ | |
24 | u.ieee_nan.mantissa = (mant); \ | |
25 | if (u.ieee.mantissa != 0) \ | |
26 | (flt) = u.f; \ | |
27 | } \ | |
28 | while (0) |