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  1.  
  2. /* @(#)er_gamma.c 5.1 93/09/24 */
  3. /*
  4.  * ====================================================
  5.  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  6.  *
  7.  * Developed at SunPro, a Sun Microsystems, Inc. business.
  8.  * Permission to use, copy, modify, and distribute this
  9.  * software is freely granted, provided that this notice
  10.  * is preserved.
  11.  * ====================================================
  12.  *
  13.  */
  14.  
  15. /* __ieee754_gamma_r(x, signgamp)
  16.  * Reentrant version of the logarithm of the Gamma function
  17.  * with user provide pointer for the sign of Gamma(x).
  18.  *
  19.  * Method: See __ieee754_lgamma_r
  20.  */
  21.  
  22. #include "fdlibm.h"
  23.  
  24. #ifdef __STDC__
  25.         double __ieee754_gamma_r(double x, int *signgamp)
  26. #else
  27.         double __ieee754_gamma_r(x,signgamp)
  28.         double x; int *signgamp;
  29. #endif
  30. {
  31.         return __ieee754_exp (__ieee754_lgamma_r(x,signgamp));
  32. }
  33.