SLATEC Routines --- CLNGAM ---

*DECK CLNGAM
      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