* sysdeps/ieee754/ldbl-128/s_llrintl.c (__llrintl): Fix a typo.
[glibc.git] / bits / fenv.h
bloba9cb53b40e50abc7582f04b7a19ef0bce97c3961
1 /* Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #ifndef _FENV_H
20 # error "Never use <bits/fenv.h> directly; include <fenv.h> instead."
21 #endif
24 /* Here should be the exception be defined:
25 FE_INVALID
26 FE_DIVBYZERO
27 FE_OVERFLOW
28 FE_UNDERFLOW
29 FE_INEXACT
30 We define no macro which signals no exception is supported. */
32 #define FE_ALL_EXCEPT 0
35 /* Here should the rounding modes be defined:
36 FE_TONEAREST
37 FE_DOWNWARD
38 FE_UPWARD
39 FE_TOWARDZERO
40 We define no macro which signals no rounding mode is selectable. */
43 /* Type representing exception flags. */
44 typedef unsigned int fexcept_t;
47 /* Type representing floating-point environment. */
48 typedef struct
50 fexcept_t __excepts;
51 /* XXX I don't know what else we should save. */
53 fenv_t;
55 /* If the default argument is used we use this value. */
56 #define FE_DFL_ENV ((__const fenv_t *) -1l)