mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/* Copyright (C) 1997, 1998, 1999 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#ifndef _FENV_H
|
|
# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
|
|
#endif
|
|
|
|
/* Define bits representing exceptions in the FPU status word. */
|
|
enum
|
|
{
|
|
FE_INVALID = 1,
|
|
#define FE_INVALID FE_INVALID
|
|
FE_DIVBYZERO = 2,
|
|
#define FE_DIVBYZERO FE_DIVBYZERO
|
|
FE_OVERFLOW = 4,
|
|
#define FE_OVERFLOW FE_OVERFLOW
|
|
FE_UNDERFLOW = 8,
|
|
#define FE_UNDERFLOW FE_UNDERFLOW
|
|
};
|
|
|
|
/* Amount to shift by to convert an exception to a mask bit. */
|
|
#define FE_EXCEPT_SHIFT 16
|
|
|
|
/* All supported exceptions. */
|
|
#define FE_ALL_EXCEPT \
|
|
(FE_INVALID | FE_DIVBYZERO | FE_OVERFLOW | FE_UNDERFLOW)
|
|
|
|
/* The ARM FPU basically only supports round-to-nearest. Other rounding
|
|
modes exist, but you have to encode them in the actual instruction. */
|
|
#define FE_TONEAREST 0
|
|
|
|
/* Type representing exception flags. */
|
|
typedef unsigned long int fexcept_t;
|
|
|
|
/* Type representing floating-point environment. */
|
|
typedef struct
|
|
{
|
|
unsigned long int __cw;
|
|
}
|
|
fenv_t;
|
|
|
|
/* If the default argument is used we use this value. */
|
|
#define FE_DFL_ENV ((fenv_t *) -1l)
|