compiler/mlib/e_gamma.c

   1 /* @(#)e_gamma.c 5.1 93/09/24 */
   2 /*
   3  * ====================================================
   4  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   5  *
   6  * Developed at SunPro, a Sun Microsystems, Inc. business.
   7  * Permission to use, copy, modify, and distribute this
   8  * software is freely granted, provided that this notice
   9  * is preserved.
  10  * ====================================================
  11  *
  12  */
  13
  14 #ifndef lint
  15 static char rcsid[] = "$FreeBSD: src/lib/msun/src/e_gamma.c,v 1.5 1999/08/28 00:06:31 peter Exp $";
  16 #endif
  17
  18 /* __ieee754_gamma(x)
  19  * Return the logarithm of the Gamma function of x.
  20  *
  21  * Method: call __ieee754_gamma_r
  22  */
  23
  24 #include "math.h"
  25 #include "math_private.h"
  26
  27 extern int signgam;
  28
  29 #ifdef __STDC__
  30         double __ieee754_gamma(double x)
  31 #else
  32         double __ieee754_gamma(x)
  33         double x;
  34 #endif
  35 {
  36         return __ieee754_gamma_r(x,&signgam);
  37 }