| 1 | /* NaN payload handling for float. | 
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| 2 | Copyright (C) 1997-2020 Free Software Foundation, Inc. | 
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| 3 | This file is part of the GNU C Library. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #define SET_NAN_PAYLOAD(flt, mant)		\ | 
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| 20 | do						\ | 
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| 21 | {						\ | 
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| 22 | union ieee754_float u;			\ | 
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| 23 | u.f = (flt);				\ | 
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| 24 | u.ieee_nan.mantissa = (mant);		\ | 
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| 25 | if (u.ieee.mantissa != 0)			\ | 
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| 26 | (flt) = u.f;				\ | 
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| 27 | }						\ | 
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| 28 | while (0) | 
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| 29 |  | 
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