1 /* Copyright (C) 2002, 2007 by Red Hat, Incorporated. All rights reserved.
3 * Permission to use, copy, modify, and distribute this software
4 * is freely granted, provided that this notice is preserved.
10 __fpclassifyd (double x)
14 EXTRACT_WORDS(msw,lsw,x);
16 if ((msw == 0x00000000 && lsw == 0x00000000) ||
17 (msw == 0x80000000 && lsw == 0x00000000))
19 else if ((msw >= 0x00100000 && msw <= 0x7fefffff) ||
20 (msw >= 0x80100000 && msw <= 0xffefffff))
22 else if ((msw >= 0x00000000 && msw <= 0x000fffff) ||
23 (msw >= 0x80000000 && msw <= 0x800fffff))
24 /* zero is already handled above */
26 else if ((msw == 0x7ff00000 && lsw == 0x00000000) ||
27 (msw == 0xfff00000 && lsw == 0x00000000))