SUBROUTINE OVL4(ARGU)

C THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY ONLY BE USED
C   OR COPIED IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE.
C 
C COPYRIGHT (C) DIGITAL EQUIPMENT CORPORATION 1982, 1982

	IMPLICIT DOUBLE PRECISION (D)
	IMPLICIT COMPLEX (C)
	IMPLICIT INTEGER (A)

	TYPE 1
1	FORMAT (30x,'	OVL4 CALLS OVL1')
	NUM=0
	CALL OVL1(NUM)
	IF (NUM.NE.1) TYPE 100
100	FORMAT(' ?Error. Value not returned from OVL1')

	TYPE 2
2	FORMAT (30x,'	RETURN TO OVL4')

	ARGU=1
	RETURN
	END