| 0,0 → 1,29 |
|---|
| /* Copyright (C) 2002,2007 by Red Hat, Incorporated. All rights reserved. |
| * |
| * Permission to use, copy, modify, and distribute this software |
| * is freely granted, provided that this notice is preserved. |
| */ |
| |
| #include "fdlibm.h" |
| |
| int |
| __fpclassifyf (float x) |
| { |
| __uint32_t w; |
| |
| GET_FLOAT_WORD(w,x); |
| |
| if (w == 0x00000000 || w == 0x80000000) |
| return FP_ZERO; |
| else if ((w >= 0x00800000 && w <= 0x7f7fffff) || |
| (w >= 0x80800000 && w <= 0xff7fffff)) |
| return FP_NORMAL; |
| else if ((w >= 0x00000001 && w <= 0x007fffff) || |
| (w >= 0x80000001 && w <= 0x807fffff)) |
| return FP_SUBNORMAL; |
| else if (w == 0x7f800000 || w == 0xff800000) |
| return FP_INFINITE; |
| else |
| return FP_NAN; |
| } |
| |