C ILIN      SOURCE    CHAT      05/01/13    00:33:17     5004           
      SUBROUTINE ILIN(XCO,DM,FE)
      IMPLICIT INTEGER(I-N)
      IMPLICIT REAL*8 (A-H,O-Z)
      CALL CALFF(XCO,FE)
      FE=FE+DLOG(DM)
      RETURN
      END