1 /* Install given floating-point environment and raise exceptions.
2 Copyright (C) 2012-2025 Free Software Foundation, Inc.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <fenv.h>
19 #include <fpu_control.h>
20
21 int
feupdateenv(const fenv_t * envp)22 feupdateenv (const fenv_t *envp)
23 {
24 fpu_control_t temp;
25
26 _FPU_GETCW (temp);
27 temp = (temp & FE_ALL_EXCEPT);
28
29 /* Raise the saved exception. Incidentally for us the implementation
30 defined format of the values in objects of type fexcept_t is the
31 same as the ones specified using the FE_* constants. */
32 fesetenv (envp);
33 feraiseexcept ((int) temp);
34
35 return 0;
36 }
37