*     G01EAF Example Program Text
*     Mark 15 Release. NAG Copyright 1991.
*     .. Parameters ..
      INTEGER          NIN, NOUT
      PARAMETER        (NIN=5,NOUT=6)
*     .. Local Scalars ..
      DOUBLE PRECISION PROB, X
      INTEGER          I, IFAIL
      CHARACTER        TAIL
*     .. External Functions ..
      DOUBLE PRECISION G01EAF
      EXTERNAL         G01EAF
*     .. Executable Statements ..
      WRITE (NOUT,*) 'G01EAF Example Program Results'
      WRITE (NOUT,*)
*     Skip heading in data file
      READ (NIN,*)
      DO 20 I = 1, 4
         READ (NIN,*) TAIL, X
         IFAIL = 1
*
         PROB = G01EAF(TAIL,X,IFAIL)
*
         IF (IFAIL.EQ.0) THEN
            IF (I.EQ.1) THEN
               WRITE (NOUT,*) ' Tail    X      Probability '
               WRITE (NOUT,*)
            END IF
            WRITE (NOUT,99999) TAIL, X, PROB
         ELSE
            WRITE (NOUT,99998) ' ** G01EAF returned with IFAIL = ',
     +        IFAIL
            GO TO 40
         END IF
   20 CONTINUE
   40 CONTINUE
*
99999 FORMAT (3X,A1,4X,F4.2,7X,F6.4)
99998 FORMAT (1X,A,I5)
      END