sysdeps/generic/nan-high-order-bit.h

   1 /* Specify NaN high-order bit conventions.  Generic version.
   2    Copyright (C) 2016-2024 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 */