C VCRITE    SOURCE    CB215821  16/04/21    21:18:38     8920
      FUNCTION VCRITE(SAGN,TAU,TFI,COE)
      IMPLICIT INTEGER(I-N)
      IMPLICIT REAL*8(A-H,O-Z)
C-----------------------
C CALCUL DU CRITERE
C-----------------------
      VCRITE=TFI*SAGN+ABS(TAU)-COE
      RETURN
      END