*     G05SGF Example Program Text
*     Mark 22 Release. NAG Copyright 2006.
*     .. Parameters ..
      INTEGER          NOUT
      PARAMETER        (NOUT=6)
      INTEGER          MSTATE, MSEED, N, NMIX
      PARAMETER        (MSTATE=633,MSEED=1,N=5,NMIX=3)
*     .. Local Scalars ..
      INTEGER          GENID, I, IFAIL, LSEED, LSTATE, SUBID
*     .. Local Arrays ..
      DOUBLE PRECISION A(NMIX), WGT(NMIX), X(N)
      INTEGER          SEED(MSEED), STATE(MSTATE)
*     .. External Subroutines ..
      EXTERNAL         G05KFF, G05SGF
*     .. Executable Statements ..
      WRITE (NOUT,*) 'G05SGF Example Program Results'
      WRITE (NOUT,*)
*     Set the distribution parameters A and WGT
      A(1) = 1.0D0
      A(2) = 5.0D0
      A(3) = 2.0D0
      WGT(1) = 0.5D0
      WGT(2) = 0.3D0
      WGT(3) = 0.2D0
*     Initialize the seed to a repeatable sequence
      SEED(1) = 1762543
*     GENID and SUBID identify the base generator.
      GENID = 1
      SUBID = 1
*     Initialize the generator to a repeatable sequence
      LSTATE = MSTATE
      LSEED = MSEED
      IFAIL = 1
      CALL G05KFF(GENID,SUBID,SEED,LSEED,STATE,LSTATE,IFAIL)
      IF (IFAIL.NE.0) THEN
         WRITE (NOUT,99998) IFAIL
         GO TO 20
      END IF
*     Generate the variates
      IFAIL = 1
      CALL G05SGF(N,NMIX,A,WGT,STATE,X,IFAIL)
      IF (IFAIL.NE.0) THEN
         WRITE (NOUT,99997) IFAIL
         GO TO 20
      END IF
*     Display the variates
      WRITE (NOUT,99999) (X(I),I=1,N)
*
   20 CONTINUE
*
99999 FORMAT (1X,F10.4)
99998 FORMAT (1X,' ** G05KFF returned with IFAIL = ',I5)
99997 FORMAT (1X,' ** G05SGF returned with IFAIL = ',I5)
      END