# clngam.f

          COMPLEX FUNCTION CLNGAM (ZIN)
    C***BEGIN PROLOGUE  CLNGAM
    C***PURPOSE  Compute the logarithm of the absolute value of the Gamma
    C            function.
    C***LIBRARY   SLATEC (FNLIB)
    C***CATEGORY  C7A
    C***TYPE      COMPLEX (ALNGAM-S, DLNGAM-D, CLNGAM-C)
    C***KEYWORDS  ABSOLUTE VALUE, COMPLETE GAMMA FUNCTION, FNLIB, LOGARITHM,
    C             SPECIAL FUNCTIONS
    C***AUTHOR  Fullerton, W., (LANL)
    C***DESCRIPTION
    C
    C CLNGAM computes the natural log of the complex valued gamma function
    C at ZIN, where ZIN is a complex number.  This is a preliminary version,
    C which is not accurate.
    C
    C***REFERENCES  (NONE)
    C***ROUTINES CALLED  C9LGMC, CARG, CLNREL, R1MACH, XERMSG
    C***REVISION HISTORY  (YYMMDD)
    C   780401  DATE WRITTEN
    C   890531  Changed all specific intrinsics to generic.  (WRB)
    C   890531  REVISION DATE from Version 3.2
    C   891214  Prologue converted to Version 4.0 format.  (BAB)
    C   900315  CALLs to XERROR changed to CALLs to XERMSG.  (THJ)
    C***END PROLOGUE  CLNGAM