1 /* Specify NaN high-order bit conventions. Generic version. 2 Copyright (C) 2016-2022 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 #ifndef NAN_HIGH_ORDER_BIT_H 20 #define NAN_HIGH_ORDER_BIT_H 1 21 22 /* Define this macro to 1 if the high-order bit of a NaN's mantissa is 23 set for signaling NaNs and clear for quiet NaNs, 0 otherwise (the 24 preferred IEEE convention). */ 25 #define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 0 26 27 #endif /* nan-high-order-bit.h */ 28