| 1 | /* NaN payload handling for _Float128. |
|---|
| 2 | Copyright (C) 2017-2022 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 | #include <ieee754_float128.h> |
|---|
| 20 | |
|---|
| 21 | #define SET_NAN_PAYLOAD(flt, mant) \ |
|---|
| 22 | do \ |
|---|
| 23 | { \ |
|---|
| 24 | union ieee854_float128 u; \ |
|---|
| 25 | u.d = (flt); \ |
|---|
| 26 | u.ieee_nan.mantissa0 = 0; \ |
|---|
| 27 | u.ieee_nan.mantissa1 = 0; \ |
|---|
| 28 | u.ieee_nan.mantissa2 = (mant) >> 32; \ |
|---|
| 29 | u.ieee_nan.mantissa3 = (mant); \ |
|---|
| 30 | if ((u.ieee.mantissa0 | u.ieee.mantissa1 \ |
|---|
| 31 | | u.ieee.mantissa2 | u.ieee.mantissa3) != 0) \ |
|---|
| 32 | (flt) = u.d; \ |
|---|
| 33 | } \ |
|---|
| 34 | while (0) |
|---|
| 35 | |
|---|
