projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 10fdbe1a RM |
1 | /* Store current floating-point environment and clear exceptions |
| 2 | (soft-float edition). | |
| 0012a852 | 3 | Copyright (C) 2002, 2007 Free Software Foundation, Inc. |
| 10fdbe1a RM |
4 | Contributed by Aldy Hernandez <aldyh@redhat.com>, 2002. |
| 5 | This file is part of the GNU C Library. | |
| 6 | ||
| 7 | The GNU C Library is free software; you can redistribute it and/or | |
| 8 | modify it under the terms of the GNU Lesser General Public | |
| 9 | License as published by the Free Software Foundation; either | |
| 10 | version 2.1 of the License, or (at your option) any later version. | |
| 11 | ||
| 12 | The GNU C Library is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | Lesser General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU Lesser General Public | |
| 18 | License along with the GNU C Library; if not, write to the Free | |
| 19 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 20 | 02111-1307 USA. */ | |
| 21 | ||
| 22 | #include "soft-fp.h" | |
| 23 | #include "soft-supp.h" | |
| 24 | ||
| 25 | int | |
| 26 | feholdexcept (fenv_t *envp) | |
| 27 | { | |
| 28 | fenv_union_t u; | |
| 29 | ||
| 30 | /* Get the current state. */ | |
| 31 | fegetenv (envp); | |
| 32 | ||
| 33 | u.fenv = *envp; | |
| 34 | /* Clear everything except the rounding mode. */ | |
| 35 | u.l[0] &= 0x3; | |
| 0012a852 DJ |
36 | /* Disable exceptions */ |
| 37 | u.l[1] = FE_ALL_EXCEPT; | |
| 10fdbe1a RM |
38 | |
| 39 | /* Put the new state in effect. */ | |
| 0012a852 | 40 | fesetenv (&u.fenv); |
| 10fdbe1a RM |
41 | |
| 42 | return 0; | |
| 43 | } | |
| 0012a852 | 44 | libm_hidden_def (feholdexcept) |