 
      DOUBLE PRECISION FUNCTION DLNGAM(X)
C***BEGIN PROLOGUE  DLNGAM
C***DATE WRITTEN   770601   (YYMMDD)
C***REVISION DATE  820801   (YYMMDD)
C***CATEGORY NO.  C7A
C***KEYWORDS  ABSOLUTE VALUE,DOUBLE PRECISION,GAMMA FUNCTION,LOGARITHM,
C             SPECIAL FUNCTION
C***AUTHOR  FULLERTON, W., (LANL)
C***PURPOSE  Computes the d.p. logarithm of the absolute value of the
C            Gamma function
C***DESCRIPTION
C
C DLNGAM(X) calculates the double precision logarithm of the
C absolute value of the gamma function for double precision
C argument X.
C***REFERENCES  (NONE)
C***ROUTINES CALLED  D1MACH,D9LGMC,DGAMMA,DINT,XERROR
C***END PROLOGUE  DLNGAM
 
 
