author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Tue, 11 Jun 2019 22:03:11 +0100 | |
changeset 3914 | 35aa88fa58c1 |
parent 2380 | 9195eccdcbd9 |
permissions | -rw-r--r-- |
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/* @(#)s_copysign.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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* copysign(double x, double y) |
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* copysign(x,y) returns a value with the magnitude of x and |
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* with the sign bit of y. |
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*/ |
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|
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#include "fdlibm.h" |
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#ifdef __STDC__ |
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double copysign(double x, double y) |
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#else |
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double copysign(x,y) |
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double x,y; |
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#endif |
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{ |
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__HI(x) = (__HI(x)&0x7fffffff)|(__HI(y)&0x80000000); |
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return x; |
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} |