| /* Install given floating-point environment. |
| Copyright (C) 1997, 1999, 2000, 2002 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. */ |
| |
| #include <fenv.h> |
| #include <shlib-compat.h> |
| |
| int |
| __fesetenv (const fenv_t *envp) |
| { |
| fenv_t dummy; |
| |
| /* Put these constants in memory explicitly, so as to cope with a |
| -fPIC bug as of gcc 970624. Making them automatic is quicker |
| than loading up the pic register in this instance. */ |
| |
| if (envp == FE_DFL_ENV) |
| { |
| dummy = 0; |
| envp = &dummy; |
| } |
| else if (envp == FE_NOMASK_ENV) |
| { |
| dummy = 0x1f << 23; |
| envp = &dummy; |
| } |
| |
| __fenv_ldfsr (*envp); |
| |
| /* Success. */ |
| return 0; |
| } |
| |
| #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) |
| strong_alias (__fesetenv, __old_fesetenv) |
| compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1); |
| #endif |
| |
| libm_hidden_ver (__fesetenv, fesetenv) |
| versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2); |