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e02cabec | 1 | /* Convert string for NaN payload to corresponding NaN. For ldbl-128ibm. |
688903eb | 2 | Copyright (C) 1997-2018 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 | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #define FLOAT long double | |
20 | #define SET_MANTISSA(flt, mant) \ | |
21 | do \ | |
22 | { \ | |
23 | union ibm_extended_long_double u; \ | |
24 | u.ld = (flt); \ | |
25 | u.d[0].ieee_nan.mantissa0 = (mant) >> 32; \ | |
26 | u.d[0].ieee_nan.mantissa1 = (mant); \ | |
27 | if ((u.d[0].ieee.mantissa0 | u.d[0].ieee.mantissa1) != 0) \ | |
28 | (flt) = u.ld; \ | |
29 | } \ | |
30 | while (0) |