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f7a9f785 | 1 | /* Copyright (C) 2007-2016 Free Software Foundation, Inc. |
f878f0bb RH |
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 | |
ab84e3ff PE |
15 | License along with the GNU C Library. If not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
f878f0bb RH |
17 | |
18 | #define __llround not___llround | |
19 | #define llround not_llround | |
20 | #include <math.h> | |
21 | #include <math_ldbl_opt.h> | |
22 | #undef __llround | |
23 | #undef llround | |
24 | ||
25 | long int | |
26 | __lround (double x) | |
27 | { | |
ca7b945c | 28 | double adj, y; |
f878f0bb | 29 | |
ca7b945c RH |
30 | adj = copysign (0.5, x); |
31 | asm("addt/suc %1,%2,%0" : "=&f"(y) : "f"(x), "f"(adj)); | |
32 | return y; | |
f878f0bb RH |
33 | } |
34 | ||
35 | strong_alias (__lround, __llround) | |
36 | weak_alias (__lround, lround) | |
37 | weak_alias (__llround, llround) | |
38 | #ifdef NO_LONG_DOUBLE | |
39 | strong_alias (__lround, __lroundl) | |
40 | strong_alias (__lround, __llroundl) | |
41 | weak_alias (__lroundl, lroundl) | |
42 | weak_alias (__llroundl, llroundl) | |
43 | #endif | |
91d46f8a RH |
44 | #if LONG_DOUBLE_COMPAT(libm, GLIBC_2_1) |
45 | compat_symbol (libm, __lround, lroundl, GLIBC_2_1); | |
46 | compat_symbol (libm, __llround, llroundl, GLIBC_2_1); | |
f878f0bb | 47 | #endif |