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847b055c | 1 | /* Set current rounding direction. |
6d7e8eda | 2 | Copyright (C) 2000-2023 Free Software Foundation, Inc. |
847b055c | 3 | This file is part of the GNU C Library. |
847b055c AJ |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
847b055c AJ |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
847b055c | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
847b055c | 18 | |
238adf59 | 19 | #include <fenv_private.h> |
847b055c AJ |
20 | |
21 | int | |
01238691 | 22 | __fesetround (int round) |
847b055c | 23 | { |
238adf59 | 24 | if ((round | FPC_RM_MASK) != FPC_RM_MASK) |
847b055c AJ |
25 | { |
26 | /* ROUND is not a valid rounding mode. */ | |
27 | return 1; | |
28 | } | |
528be9fe | 29 | |
238adf59 | 30 | libc_fesetround_s390 (round); |
847b055c AJ |
31 | return 0; |
32 | } | |
01238691 JM |
33 | libm_hidden_def (__fesetround) |
34 | weak_alias (__fesetround, fesetround) | |
35 | libm_hidden_weak (fesetround) |