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e4df97b8 | 1 | /* Get floating-point exceptions. |
d4697bc9 | 2 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
e4df97b8 GK |
3 | This file is part of the GNU C Library. |
4 | Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
e4df97b8 GK |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
e4df97b8 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
e4df97b8 GK |
19 | |
20 | #include <fenv_libc.h> | |
21 | ||
22 | int | |
246ec411 | 23 | __fegetexcept (void) |
e4df97b8 GK |
24 | { |
25 | fenv_union_t fe; | |
26 | int result = 0; | |
27 | ||
28 | fe.fenv = fegetenv_register (); | |
246ec411 | 29 | |
4a28b3ca | 30 | if (fe.l & (1 << (31 - FPSCR_XE))) |
e4df97b8 | 31 | result |= FE_INEXACT; |
4a28b3ca | 32 | if (fe.l & (1 << (31 - FPSCR_ZE))) |
e4df97b8 | 33 | result |= FE_DIVBYZERO; |
4a28b3ca | 34 | if (fe.l & (1 << (31 - FPSCR_UE))) |
e4df97b8 | 35 | result |= FE_UNDERFLOW; |
4a28b3ca | 36 | if (fe.l & (1 << (31 - FPSCR_OE))) |
e4df97b8 | 37 | result |= FE_OVERFLOW; |
4a28b3ca | 38 | if (fe.l & (1 << (31 - FPSCR_VE))) |
e4df97b8 GK |
39 | result |= FE_INVALID; |
40 | ||
41 | return result; | |
42 | } | |
246ec411 | 43 | weak_alias (__fegetexcept, fegetexcept) |