Last change
on this file since 559 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
713 bytes
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Rev | Line | |
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[444] | 1 | /* Copyright (C) 2002,2007 by Red Hat, Incorporated. All rights reserved. |
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| 2 | * |
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| 3 | * Permission to use, copy, modify, and distribute this software |
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| 4 | * is freely granted, provided that this notice is preserved. |
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| 5 | */ |
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| 6 | |
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| 7 | #include "fdlibm.h" |
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| 8 | |
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| 9 | int |
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| 10 | __fpclassifyf (float x) |
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| 11 | { |
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| 12 | __uint32_t w; |
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| 13 | |
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| 14 | GET_FLOAT_WORD(w,x); |
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| 15 | |
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| 16 | if (w == 0x00000000 || w == 0x80000000) |
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| 17 | return FP_ZERO; |
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| 18 | else if ((w >= 0x00800000 && w <= 0x7f7fffff) || |
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| 19 | (w >= 0x80800000 && w <= 0xff7fffff)) |
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| 20 | return FP_NORMAL; |
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| 21 | else if ((w >= 0x00000001 && w <= 0x007fffff) || |
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| 22 | (w >= 0x80000001 && w <= 0x807fffff)) |
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| 23 | return FP_SUBNORMAL; |
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| 24 | else if (w == 0x7f800000 || w == 0xff800000) |
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| 25 | return FP_INFINITE; |
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| 26 | else |
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| 27 | return FP_NAN; |
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| 28 | } |
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| 29 | |
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