1  /* Specify NaN high-order bit conventions.  Generic version.
       2     Copyright (C) 2016-2023 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 */