Last change
on this file since 450 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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Line | |
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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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