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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/csky/fpu/fesetenv.c
1 /* Install given floating-point environment.
2 Copyright (C) 2018-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
20 #include <fpu_control.h>
23 __fesetenv (const fenv_t
*envp
)
31 fpcr
&= _FPU_RESERVED
;
32 fpsr
&= _FPU_FPSR_RESERVED
;
34 if (envp
== FE_DFL_ENV
)
37 fpsr
|= _FPU_FPSR_DEFAULT
;
39 else if (envp
== FE_NOMASK_ENV
)
41 fpcr
|= _FPU_FPCR_IEEE
;
42 fpsr
|= _FPU_FPSR_IEEE
;
46 fpcr
|= envp
->__fpcr
& ~_FPU_RESERVED
;
47 fpsr
|= envp
->__fpsr
& ~_FPU_FPSR_RESERVED
;
57 libm_hidden_def (__fesetenv
)
58 weak_alias (__fesetenv
, fesetenv
)
59 libm_hidden_weak (fesetenv
)