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0413b54c UD |
1 | /* Round floating-point to integer. PowerPC version. |
2 | Copyright (C) 1997 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
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. | |
0413b54c UD |
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. |
0413b54c | 14 | |
41bdb6e2 AJ |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
0413b54c UD |
19 | |
20 | #include "math.h" | |
21 | ||
0413b54c | 22 | long int |
b9b49b44 | 23 | __lrint (double x) |
0413b54c UD |
24 | { |
25 | union { | |
26 | double d; | |
27 | long int ll[2]; | |
28 | } u; | |
29 | asm ("fctiw %0,%1" : "=f"(u.d) : "f"(x)); | |
b9b49b44 | 30 | return u.ll[1]; |
0413b54c | 31 | } |
b9b49b44 UD |
32 | weak_alias (__lrint, lrint) |
33 | ||
34 | /* This code will also work for a 'float' argument. */ | |
c891b2df UD |
35 | asm ("\n\ |
36 | .globl __lrintf \n\ | |
37 | .globl lrintf \n\ | |
38 | .weak lrintf \n\ | |
39 | .set __lrintf,__lrint \n\ | |
40 | .set lrintf,__lrint \n\ | |
b9b49b44 | 41 | "); |
0413b54c | 42 | |
b9b49b44 UD |
43 | #ifdef NO_LONG_DOUBLE |
44 | strong_alias (__lrint, __lrintl) | |
45 | weak_alias (__lrint, lrintl) | |
0413b54c | 46 | #endif |