commit fdfecd686054be1aac715fb3b99669873df002bb from: rsc date: Fri Apr 06 01:49:05 2007 UTC new __isNaN (Scott Schwartz) commit - 9d53e3b430e56c740924f02fbb2695ea3597e13e commit + fdfecd686054be1aac715fb3b99669873df002bb blob - 6e355a20faf7e896e9e863b2a2338ec6bcbf9159 blob + 8fad49ebd2513c76f354e7cd205f7074b90e156c --- src/lib9/fmt/nan64.c +++ src/lib9/fmt/nan64.c @@ -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