| author | Jan Vrany <jan.vrany@fit.cvut.cz> |
| Mon, 16 Sep 2013 14:09:52 +0100 | |
| branch | development |
| changeset 2734 | f56049613ff3 |
| parent 2380 | 9195eccdcbd9 |
| permissions | -rw-r--r-- |
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fa7400d022a0
Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e
Jan Vrany <jan.vrany@fit.cvut.cz>
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fa7400d022a0
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/* @(#)s_finite.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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fa7400d022a0
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* software is freely granted, provided that this notice |
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* is preserved. |
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fa7400d022a0
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Jan Vrany <jan.vrany@fit.cvut.cz>
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* ==================================================== |
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fa7400d022a0
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Jan Vrany <jan.vrany@fit.cvut.cz>
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*/ |
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fa7400d022a0
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fa7400d022a0
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Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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/* |
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fa7400d022a0
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* finite(x) returns 1 is x is finite, else 0; |
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Jan Vrany <jan.vrany@fit.cvut.cz>
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* no branching! |
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fa7400d022a0
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Jan Vrany <jan.vrany@fit.cvut.cz>
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*/ |
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fa7400d022a0
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#include "fdlibm.h" |
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fa7400d022a0
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#ifdef __STDC__ |
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int finite(double x) |
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#else |
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int finite(x) |
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double x; |
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#endif |
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{
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int hx; |
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hx = __HI(x); |
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return (unsigned)((hx&0x7fffffff)-0x7ff00000)>>31; |
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} |