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Last change
on this file since 543 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:
871 bytes
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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 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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