*******************************************************************************
*
*	 Interlude to handle external algorithms for Partitioned files.
*
*	Module	%M%	Version	%I% 	Date	%H%
*
*	(c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
*	This is unpublished proprietary source code of Ardent Software Inc.
*	The copyright notice above does not evidence any actual or intended
*	publication of such source code.
*
*******************************************************************************
*
*	Maintenence log - insert most recent change descriptions at top
*
*	Date.... GTAR# WHO Description.........................................
*	10/14/98 23801 SAP Change copyrights. 
*	05/23/94 14165 ALC Implement the EXTERNAL partitioning algorithm.
*
*******************************************************************************

SUBROUTINE EXTERNALG(RESULT, ROUTINE, ID, IDLEN, NUMVOLS)

DECLARE GCI DBmvhash

    * If the NUMVOLS arg is zero then we have an EXTERNAL algorithm,
    * otherwise we have a MULTIVOLUME algorithm, so adjust call accordingly
    *
    IF NUMVOLS = 0 THEN
       PART.NUM = 0
       CALL @ROUTINE(ID, IDLEN, PART.NUM)
       RESULT = PART.NUM
    END ELSE
       PART.NUM = NUMVOLS
       RESULT = DBmvhash(ID, IDLEN, PART.NUM)
    END


    RETURN

END