1 /* Set current rounding direction.
2 Copyright (C) 1998-2025 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 "fenv_private.h"
20
21 int
fesetround(int round)22 fesetround (int round)
23 {
24 switch (round)
25 {
26 case FE_TONEAREST:
27 case FE_TOWARDZERO:
28 case FE_DOWNWARD:
29 case FE_UPWARD:
30 riscv_setround (round);
31 return 0;
32 default:
33 return round; /* A nonzero value. */
34 }
35 }
36