tnew __isNaN (Scott Schwartz) - plan9port - [fork] Plan 9 from user space (HTM) git clone git://src.adamsgaard.dk/plan9port (DIR) Log (DIR) Files (DIR) Refs (DIR) README (DIR) LICENSE --- (DIR) commit fdfecd686054be1aac715fb3b99669873df002bb (DIR) parent 9d53e3b430e56c740924f02fbb2695ea3597e13e (HTM) 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(-) --- (DIR) 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