Last change
on this file since 452 was
444,
checked in by satin@…, 6 years ago
|
add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
749 bytes
|
Line | |
---|
1 | |
---|
2 | /* @(#)s_finite.c 5.1 93/09/24 */ |
---|
3 | /* |
---|
4 | * ==================================================== |
---|
5 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
---|
6 | * |
---|
7 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
---|
8 | * Permission to use, copy, modify, and distribute this |
---|
9 | * software is freely granted, provided that this notice |
---|
10 | * is preserved. |
---|
11 | * ==================================================== |
---|
12 | */ |
---|
13 | |
---|
14 | /* |
---|
15 | * finite(x) returns 1 is x is finite, else 0; |
---|
16 | * no branching! |
---|
17 | */ |
---|
18 | |
---|
19 | #include "fdlibm.h" |
---|
20 | |
---|
21 | #ifndef _DOUBLE_IS_32BITS |
---|
22 | |
---|
23 | #ifdef __STDC__ |
---|
24 | int finite(double x) |
---|
25 | #else |
---|
26 | int finite(x) |
---|
27 | double x; |
---|
28 | #endif |
---|
29 | { |
---|
30 | __int32_t hx; |
---|
31 | GET_HIGH_WORD(hx,x); |
---|
32 | return (int)((__uint32_t)((hx&0x7fffffff)-0x7ff00000)>>31); |
---|
33 | } |
---|
34 | |
---|
35 | #endif /* _DOUBLE_IS_32BITS */ |
---|
Note: See
TracBrowser
for help on using the repository browser.