| 1 | /* NaN payload handling for float. |
| 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 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) |
| 29 | |