ADAS Subroutine a8gcf
subroutine a8gcf( gammcf, a , x , gln ) c--------------------------------------------------------------------- c c ********************* fortran77 subroutine a8gcf ****************** c c purpose: to evaluate the continued fraction expansion for the c incomplete gamma function gamma(a)*q(a,x) - based on c numerical recipes c c calling program: a8gamg.for c c input: c (r*8) a = parameter of q(a,x) c (r*8) x = paramete of q(a,x) c output: c (r*8) gammcf = incomplete gamma function gamma(a)*q(a,x) c (r*8) gln = ln(gamma(a)) c c c routines: c none c a8gaml adas obtains log(gamma(a)) c c author: Hugh Summers, University of Strathclyde ext.4196 c c c version 1.1 date: 25/06/99 c modified: Hugh Summers c - first release c c----------------------------------------------------------------------- REAL*8 A, GAMMCF, GLN, X