manual: clarify defintions of floating point exponent bounds (bug 31518)
[glibc.git] / sysdeps / powerpc / nofpu / fesetround.c
blob6ea4dd0a0a35a3131f660c8764a1d1bf4361132f
1 /* Set rounding mode (soft-float edition).
2 Copyright (C) 2002-2024 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/>. */
19 #include "soft-fp.h"
20 #include "soft-supp.h"
22 int
23 __fesetround (int round)
25 if ((unsigned int) round > FE_DOWNWARD)
26 return 1;
28 __sim_round_mode_thread = round;
29 SIM_SET_GLOBAL (__sim_round_mode_global, __sim_round_mode_thread);
31 return 0;
33 libm_hidden_def (__fesetround)
34 weak_alias (__fesetround, fesetround)
35 libm_hidden_weak (fesetround)