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new __isNaN (Scott Schwartz)

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rsc 2007-04-06 01:49:05 +00:00
parent 9d53e3b430
commit fdfecd6860
1 changed files with 1 additions and 5 deletions
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6
src/lib9/fmt/nan64.c
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@ -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;
@ -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