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

33 lines
1.2 KiB
C

/* Specify NaN high-order bit conventions. MIPS version.
Copyright (C) 2016-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifndef NAN_HIGH_ORDER_BIT_H
#define NAN_HIGH_ORDER_BIT_H 1
#ifdef __mips_nan2008
/* MIPS aligned to IEEE 754-2008. */
# define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 0
#else
/* One of the few architectures where the meaning of the
quiet/signaling bit is inverse to IEEE 754-2008 (as well as common
practice for IEEE 754-1985). */
# define HIGH_ORDER_BIT_IS_SET_FOR_SNAN 1
#endif
#endif /* nan-high-order-bit.h */