      SUBROUTINE EZFFTI (N,WSAVE)
      IMPLICIT DOUBLE PRECISION (A-H, O-Z)
      DIMENSION       WSAVE(1)
      IF (N .EQ. 1) RETURN
      CALL EZFFT1 (N,WSAVE(2*N+1),WSAVE(3*N+1))
      RETURN
      END
