1 /* Copyright (C) 2007-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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 #define __llround not___llround
19 #define llround not_llround
20 #include <math.h>
21 #include <math_ldbl_opt.h>
22 #include <libm-alias-double.h>
23 #undef __llround
24 #undef llround
25
26 long int
__lround(double x)27 __lround (double x)
28 {
29 double adj, y;
30
31 adj = copysign (0.5, x);
32 asm("addt/suc %1,%2,%0" : "=&f"(y) : "f"(x), "f"(adj));
33 return y;
34 }
35
36 strong_alias (__lround, __llround)
37 libm_alias_double (__lround, lround)
38 libm_alias_double (__llround, llround)
39