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f671aeab | 1 | /* Set floating-point environment exception handling. |
4eb8a862 | 2 | Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc. |
f671aeab UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Richard Henderson <rth@tamu.edu>, 1997. | |
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. | |
f671aeab UD |
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. |
f671aeab | 15 | |
41bdb6e2 AJ |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, write to the Free | |
18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
19 | 02111-1307 USA. */ | |
f671aeab | 20 | |
60f0e64b | 21 | #include <fenv_libc.h> |
f671aeab | 22 | |
63ae7b63 UD |
23 | int |
24 | __fesetexceptflag (const fexcept_t *flagp, int excepts) | |
f671aeab | 25 | { |
63ae7b63 | 26 | unsigned long int tmp; |
f671aeab UD |
27 | |
28 | /* Get the current exception state. */ | |
63ae7b63 | 29 | tmp = __ieee_get_fp_control (); |
f671aeab UD |
30 | |
31 | /* Set all the bits that were called for. */ | |
60f0e64b | 32 | tmp = (tmp & ~SWCR_STATUS_MASK) | (*flagp & excepts & SWCR_STATUS_MASK); |
f671aeab UD |
33 | |
34 | /* And store it back. */ | |
63ae7b63 UD |
35 | __ieee_set_fp_control (tmp); |
36 | ||
37 | /* Success. */ | |
38 | return 0; | |
f671aeab | 39 | } |
4eb8a862 RM |
40 | |
41 | #include <shlib-compat.h> | |
42 | #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) | |
63ae7b63 | 43 | strong_alias (__fesetexceptflag, __old_fesetexceptflag) |
4eb8a862 RM |
44 | compat_symbol (libm, __old_fesetexceptflag, fesetexceptflag, GLIBC_2_1); |
45 | #endif | |
46 | ||
47 | versioned_symbol (libm, __fesetexceptflag, fesetexceptflag, GLIBC_2_2); |