Last change
on this file since 444 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:
881 bytes
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Line | |
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1 | /* sf_signif.c -- float version of s_signif.c. |
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2 | * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. |
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3 | */ |
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4 | |
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5 | /* |
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6 | * ==================================================== |
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7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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8 | * |
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9 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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10 | * Permission to use, copy, modify, and distribute this |
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11 | * software is freely granted, provided that this notice |
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12 | * is preserved. |
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13 | * ==================================================== |
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14 | */ |
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15 | |
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16 | #include "fdlibm.h" |
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17 | |
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18 | #ifdef __STDC__ |
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19 | float significandf(float x) |
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20 | #else |
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21 | float significandf(x) |
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22 | float x; |
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23 | #endif |
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24 | { |
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25 | return __ieee754_scalbf(x,(float) -ilogbf(x)); |
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26 | } |
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27 | |
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28 | #ifdef _DOUBLE_IS_32BITS |
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29 | |
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30 | #ifdef __STDC__ |
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31 | double significand(double x) |
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32 | #else |
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33 | double significand(x) |
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34 | double x; |
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35 | #endif |
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36 | { |
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37 | return (double) significandf((float) x); |
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38 | } |
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39 | |
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40 | #endif /* defined(_DOUBLE_IS_32BITS) */ |
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