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

   1 /* Specify NaN high-order bit conventions.  MIPS version.
   2    Copyright (C) 2016-2020 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 #ifdef __mips_nan2008
  23 /* MIPS aligned to IEEE 754-2008.  */
  24 # define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 0
  25 #else
  26 /* One of the few architectures where the meaning of the
  27    quiet/signaling bit is inverse to IEEE 754-2008 (as well as common
  28    practice for IEEE 754-1985).  */
  29 # define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 1
  30 #endif
  31
  32 #endif /* nan-high-order-bit.h */