glibc/sysdeps/x86/fpu/nan-pseudo-number.h

30 lines
1.1 KiB
C

/* Pseudo-normal number handling. x86 version.
Copyright (C) 2020-2023 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
<https://www.gnu.org/licenses/>. */
#ifndef NAN_PSEUDO_NUMBER_H
#define NAN_PSEUDO_NUMBER_H 1
/* Pseudo numbers on x86 are always signaling. */
static inline int
is_pseudo_signaling (uint32_t exi, uint32_t hxi)
{
return ((exi & 0x7fff) && ((hxi & 0x80000000) == 0));
}
#endif /* nan-pseudo-number.h */