1 /* Install given floating-point environment.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <fenv_libc.h>
20 #include <fpu_control.h>
21
22 int
__fesetenv(const fenv_t * envp)23 __fesetenv (const fenv_t *envp)
24 {
25 fenv_union_t old, new;
26
27 /* get the currently set exceptions. */
28 new.fenv = *envp;
29 old.fenv = fegetenv_control ();
30
31 __TEST_AND_EXIT_NON_STOP (old.l, new.l);
32 __TEST_AND_ENTER_NON_STOP (old.l, new.l);
33
34 fesetenv_register (new.fenv);
35
36 /* Success. */
37 return 0;
38 }
39
40 #include <shlib-compat.h>
41 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
42 strong_alias (__fesetenv, __old_fesetenv)
43 compat_symbol (libm, __old_fesetenv, fesetenv, GLIBC_2_1);
44 #endif
45
46 libm_hidden_def (__fesetenv)
47 libm_hidden_ver (__fesetenv, fesetenv)
48 versioned_symbol (libm, __fesetenv, fesetenv, GLIBC_2_2);
49