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/* @(#)e_tgamma.c 5.1 93/09/24 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*
*/
/* __ieee754_tgamma(x)
* Gamma function. Returns gamma(x)
*
* Method: See __ieee754_lgamma_r
*/
#include "fdlibm.h"
#if defined(_IEEE_LIBM) && defined(HAVE_ALIAS_ATTRIBUTE)
__strong_reference(__ieee754_tgamma, tgamma);
#endif
#ifdef __STDC__
double __ieee754_tgamma(double x)
#else
double __ieee754_tgamma(x)
double x;
#endif
{
int signgam_local = 1;
double y = __ieee754_exp(___ieee754_lgamma_r(x, &signgam_local));
if (signgam_local < 0)
y = -y;
return y;
}
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