SLATEC Routines --- CBETA ---

*DECK CBETA
      COMPLEX FUNCTION CBETA (A, B)
C***BEGIN PROLOGUE  CBETA
C***PURPOSE  Compute the complete Beta function.
C***LIBRARY   SLATEC (FNLIB)
C***CATEGORY  C7B
C***TYPE      COMPLEX (BETA-S, DBETA-D, CBETA-C)
C***KEYWORDS  COMPLETE BETA FUNCTION, FNLIB, SPECIAL FUNCTIONS
C***AUTHOR  Fullerton, W., (LANL)
C***DESCRIPTION
C
C CBETA computes the complete beta function of complex parameters A
C and B.
C Input Parameters:
C       A   complex and the real part of A positive
C       B   complex and the real part of B positive
C
C***REFERENCES  (NONE)
C***ROUTINES CALLED  CGAMMA, CLBETA, GAMLIM, XERMSG
C***REVISION HISTORY  (YYMMDD)
C   770701  DATE WRITTEN
C   890206  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   900326  Removed duplicate information from DESCRIPTION section.
C           (WRB)
C   900727  Added EXTERNAL statement.  (WRB)
C***END PROLOGUE  CBETA