1 | /* Convert string for NaN payload to corresponding NaN. For _Float128. |
2 | Copyright (C) 2017 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 | <http://www.gnu.org/licenses/>. */ |
18 | |
19 | #define FLOAT _Float128 |
20 | #define SET_MANTISSA(flt, mant) \ |
21 | do \ |
22 | { \ |
23 | union ieee854_float128 u; \ |
24 | u.d = (flt); \ |
25 | u.ieee_nan.mantissa0 = 0; \ |
26 | u.ieee_nan.mantissa1 = 0; \ |
27 | u.ieee_nan.mantissa2 = (mant) >> 32; \ |
28 | u.ieee_nan.mantissa3 = (mant); \ |
29 | if ((u.ieee.mantissa0 | u.ieee.mantissa1 \ |
30 | | u.ieee.mantissa2 | u.ieee.mantissa3) != 0) \ |
31 | (flt) = u.d; \ |
32 | } \ |
33 | while (0) |
34 | |