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/* @(#)w_gamma.c 5.1 93/09/24 */ |
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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 SunPro, 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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/* double gamma(double x) |
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* Return the logarithm of the Gamma function of x. |
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* |
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* Method: call gamma_r |
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*/ |
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#include "math.h" |
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#include "math_private.h" |
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extern int signgam; |
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double |
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gamma(double x) |
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{ |
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return lgamma_r(x,&signgam); |
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} |