author | convert-repo |
Tue, 31 Dec 2019 04:28:27 +0000 | |
changeset 3995 | d65488cfad3c |
parent 2380 | 9195eccdcbd9 |
permissions | -rw-r--r-- |
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/* @(#)w_asin.c 1.3 95/01/18 */ |
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/* |
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* ==================================================== |
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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* |
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* Developed at SunSoft, a Sun Microsystems, Inc. business. |
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* Permission to use, copy, modify, and distribute this |
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* software is freely granted, provided that this notice |
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* is preserved. |
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* ==================================================== |
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* |
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*/ |
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/* |
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* wrapper asin(x) |
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*/ |
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#include "fdlibm.h" |
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#ifdef __STDC__ |
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double asin(double x) /* wrapper asin */ |
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#else |
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double asin(x) /* wrapper asin */ |
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double x; |
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#endif |
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{ |
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#ifdef _IEEE_LIBM |
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return __ieee754_asin(x); |
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#else |
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double z; |
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z = __ieee754_asin(x); |
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if(_LIB_VERSION == _IEEE_ || isnan(x)) return z; |
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if(fabs(x)>1.0) { |
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return __kernel_standard(x,x,2); /* asin(|x|>1) */ |
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} else |
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return z; |
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#endif |
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} |