o5r/plan9port
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

new __isNaN (Scott Schwartz)

Browse source
This commit is contained in:
rsc 2007-04-06 01:49:05 +00:00
parent 9d53e3b430
commit fdfecd6860
1 changed files with 1 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/lib9/fmt/nan64.c
View file

@ -9,10 +9,6 @@
#include "fmt.h" #include "fmt.h"
#include "fmtdef.h" #include "fmtdef.h"
#if defined (__APPLE__) || (__powerpc__)
#define _NEEDLL
#endif
static uvlong uvnan = ((uvlong)0x7FF00000<<32)|0x00000001; static uvlong uvnan = ((uvlong)0x7FF00000<<32)|0x00000001;
static uvlong uvinf = ((uvlong)0x7FF00000<<32)|0x00000000; static uvlong uvinf = ((uvlong)0x7FF00000<<32)|0x00000000;
static uvlong uvneginf = ((uvlong)0xFFF00000<<32)|0x00000000; static uvlong uvneginf = ((uvlong)0xFFF00000<<32)|0x00000000;
@ -35,7 +31,7 @@ __isNaN(double d)
p = &d; p = &d;
x = *(uvlong*)p; x = *(uvlong*)p;
return (ulong)(x>>32)==0x7FF00000 && !__isInf(d, 0); return (ulong)((x>>52)&0x7FF)==0x7FF && !__isInf(d, 0);
} }
double double