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/* @(#)er_gamma.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.

 * ====================================================

 *

 */

/* gamma_r(x, signgamp)

 * Reentrant version of the logarithm of the Gamma function

 * with user provide pointer for the sign of Gamma(x).

 *

 * Method: See lgamma_r

 */

#include "fdlibm.h"

#ifdef __STDC__

        double gamma_r(double x, int *signgamp)

#else

        double gamma_r(x,signgamp)

        double x; int *signgamp;

#endif

{

        return exp (lgamma_r(x,signgamp));

}

double gamma(double x)

{

  return gamma_r(x, &(_REENT_SIGNGAM(_REENT)));

}