 |
tnew __isNaN (Scott Schwartz) - plan9port - [fork] Plan 9 from user space |
 |
git clone git://src.adamsgaard.dk/plan9port |
 |
Log |
|
Files |
|
Refs |
|
README |
|
LICENSE |
|
--- |
|
commit fdfecd686054be1aac715fb3b99669873df002bb |
|
parent 9d53e3b430e56c740924f02fbb2695ea3597e13e |
|
Author: rsc <devnull@localhost> |
|
Date: Fri, 6 Apr 2007 01:49:05 +0000 |
|
|
|
new __isNaN (Scott Schwartz) |
|
|
|
Diffstat: |
|
M src/lib9/fmt/nan64.c | 6 +----- |
|
|
|
1 file changed, 1 insertion(+), 5 deletions(-) |
|
--- |
|
diff --git a/src/lib9/fmt/nan64.c b/src/lib9/fmt/nan64.c |
|
t@@ -9,10 +9,6 @@ |
|
#include "fmt.h" |
|
#include "fmtdef.h" |
|
|
|
-#if defined (__APPLE__) || (__powerpc__) |
|
-#define _NEEDLL |
|
-#endif |
|
- |
|
static uvlong uvnan = ((uvlong)0x7FF00000<<32)|0x00000001; |
|
static uvlong uvinf = ((uvlong)0x7FF00000<<32)|0x00000000; |
|
static uvlong uvneginf = ((uvlong)0xFFF00000<<32)|0x00000000; |
|
t@@ -35,7 +31,7 @@ __isNaN(double d) |
|
|
|
p = &d; |
|
x = *(uvlong*)p; |
|
- return (ulong)(x>>32)==0x7FF00000 && !__isInf(d, 0); |
|
+ return (ulong)((x>>52)&0x7FF)==0x7FF && !__isInf(d, 0); |
|
} |
|
|
|
double |
