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- /* Copyright (C) 1997, 1998, 1999, 2000 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
- /* Here should be the exception be defined:
- FE_INVALID
- FE_DIVBYZERO
- FE_OVERFLOW
- FE_UNDERFLOW
- FE_INEXACT
- We define no macro which signals no exception is supported. */
- #define FE_ALL_EXCEPT 0
- /* Here should the rounding modes be defined:
- FE_TONEAREST
- FE_DOWNWARD
- FE_UPWARD
- FE_TOWARDZERO
- We define no macro which signals no rounding mode is selectable. */
- /* Type representing exception flags.
- XXX Probably we should also include the signal handler here. */
- typedef struct
- {
- unsigned int __flags;
- }
- fexcept_t;
- /* Type representing floating-point environment. */
- typedef struct
- {
- fexcept_t __excepts;
- /* XXX I don't know what else we should save. */
- }
- fenv_t;
- /* If the default argument is used we use this value. */
- #define FE_DFL_ENV ((fenv_t *) -1l)
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