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* IB03BD EXAMPLE PROGRAM TEXT
*
* .. Parameters ..
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
INTEGER BSNM, LDU, LDY, LIWORK, LMAX, LTHS, LXM, MMAX,
$ NMAX, NNMAX, NOBRMX, NSMPMX
PARAMETER ( LMAX = 2, MMAX = 3, NOBRMX = 10, NNMAX = 12,
$ NMAX = 4, NSMPMX = 1024,
$ BSNM = NNMAX*( LMAX + 2 ) + 1,
$ LTHS = NMAX*( LMAX + MMAX + 1 ) + LMAX*MMAX,
$ LDU = NSMPMX, LDY = NSMPMX,
$ LXM = BSNM*LMAX + LTHS,
$ LIWORK = MAX( MMAX + LMAX, MMAX*NOBRMX + NMAX,
$ MMAX*( NMAX + LMAX ), 3 +
$ MAX( BSNM + 1, LXM + LMAX ) ) )
INTEGER L0, L1M, L2M, L3M, LDW1, LDW2, LDW3, LDW4, LDW5,
$ LDW6, LDW7, LDWORK, LW1, LW2, LW3, LW4
PARAMETER ( L0 = MAX( NMAX*( NMAX + LMAX ),
$ NMAX + MMAX + LMAX ),
$ L1M = NSMPMX*LMAX +
$ MAX( 2*NNMAX,
$ ( NMAX + LMAX )*( NMAX + MMAX ) +
$ 2*NMAX + L0 ),
$ L2M = MAX( 4*LXM + 1, BSNM +
$ MAX( 3*BSNM + 1, LTHS ),
$ NSMPMX*( LMAX - 1 ) ),
$ L3M = MAX( 4*LXM, LTHS*BSNM + 2*LXM +
$ 2*MAX( BSNM, LTHS ) ),
$ LDW1 = MAX( 2*( LMAX*NOBRMX - LMAX )*NMAX +
$ 2*NMAX,
$ ( LMAX*NOBRMX - LMAX )*NMAX +
$ NMAX*NMAX + 7*NMAX,
$ LMAX*NOBRMX*NMAX +
$ MAX( ( LMAX*NOBRMX - LMAX )*NMAX +
$ 2*NMAX + LMAX +
$ ( 2*MMAX + LMAX )*NOBRMX,
$ 2*( LMAX*NOBRMX - LMAX )*NMAX
$ + NMAX*NMAX + 8*NMAX,
$ NMAX + 4*( MMAX*NOBRMX +
$ NMAX ) + 1,
$ MMAX*NOBRMX + 3*NMAX + LMAX )
$ ),
$ LDW2 = LMAX*NOBRMX*NMAX +
$ MMAX*NOBRMX*( NMAX + LMAX )*
$ ( MMAX*( NMAX + LMAX ) + 1 ) +
$ MAX( ( NMAX + LMAX )**2,
$ 4*MMAX*( NMAX + LMAX ) + 1 ),
$ LDW3 = NSMPMX*LMAX*( NMAX + 1 ) + 2*NMAX +
$ MAX( 2*NMAX*NMAX, 4*NMAX ),
$ LDW4 = NMAX*( NMAX + 1 ) + 2*NMAX +
$ MAX( NMAX*LMAX*( NMAX + 1 ) +
$ 2*NMAX*NMAX + LMAX*NMAX, 4*NMAX ),
$ LDW5 = NSMPMX*LMAX + ( NMAX + LMAX )*
$ ( NMAX + MMAX ) + 3*NMAX + MMAX + LMAX,
$ LDW6 = NSMPMX*LMAX + ( NMAX + LMAX )*
$ ( NMAX + MMAX ) + NMAX +
$ MAX( 1, NMAX*NMAX*LMAX + NMAX*LMAX +
$ NMAX, NMAX*NMAX +
$ MAX( NMAX*NMAX +
$ NMAX*MAX( NMAX, LMAX ) +
$ 6*NMAX + MIN( NMAX, LMAX ),
$ NMAX*MMAX ) ),
$ LDW7 = NSMPMX*LMAX + ( NMAX + LMAX )*
$ ( NMAX + MMAX ) + 3*NMAX + MMAX + LMAX,
$ LW1 = MAX( 2*( MMAX + LMAX )*NOBRMX*
$ ( 2*( MMAX + LMAX )*( NOBRMX + 1 )
$ + 3 ) + LMAX*NOBRMX,
$ 4*( MMAX + LMAX )*NOBRMX*
$ ( MMAX + LMAX )*NOBRMX +
$ ( NMAX + LMAX )*( NMAX + MMAX ) +
$ MAX( LDW1, LDW2 ),
$ ( NMAX + LMAX )*( NMAX + MMAX ) +
$ NMAX + NMAX*NMAX + 2 +
$ NMAX*( NMAX + MMAX + LMAX ) +
$ MAX( 5*NMAX, 2, MIN( LDW3, LDW4 ),
$ LDW5, LDW6 ) ),
$ LW2 = NSMPMX*LMAX + BSNM +
$ MAX( 4, NSMPMX +
$ MAX( NSMPMX*BSNM +
$ MAX( 2*NNMAX, 5*BSNM + 1 ),
$ BSNM**2 + BSNM +
$ MAX( NSMPMX + 2*NNMAX,
$ 5*BSNM ) ) ),
$ LW3 = MAX( LDW7, NSMPMX*LMAX +
$ ( NMAX + LMAX )*( 2*NMAX + MMAX )+
$ 2*NMAX ),
$ LW4 = NSMPMX*LMAX + LXM +
$ MAX( 4, NSMPMX*LMAX +
$ MAX( NSMPMX*LMAX*( BSNM + LTHS ) +
$ MAX( NSMPMX*LMAX + L1M,
$ L2M + LXM ),
$ LXM*( BSNM + LTHS ) +
$ LXM +
$ MAX( NSMPMX*LMAX + L1M,
$ LXM + L3M ) ) ),
$ LDWORK = MAX( LW1, LW2, LW3, LW4 ) )
* .. Local Scalars ..
LOGICAL INIT1, INITB, INITL, INITN, INITS
CHARACTER*1 INIT
INTEGER BSN, I, INFO, INI, ITER, ITMAX1, ITMAX2, IWARN,
$ J, L, L1, L2, LPAR, LX, M, N, NN, NOBR, NPRINT,
$ NS, NSMP
DOUBLE PRECISION TOL1, TOL2
* .. Array Arguments ..
INTEGER IWORK(LIWORK)
DOUBLE PRECISION DWORK(LDWORK), U(LDU,MMAX), X(LXM), Y(LDY,LMAX)
* .. External Functions ..
LOGICAL LSAME
EXTERNAL LSAME
* .. External Subroutines ..
EXTERNAL IB03BD
* .. Intrinsic Functions ..
INTRINSIC MAX, MIN
* .. Executable Statements ..
*
WRITE ( NOUT, FMT = 99999 )
* Skip the heading in the data file and read the data.
READ ( NIN, FMT = '()' )
READ ( NIN, FMT = * ) NOBR, M, L, NSMP, N, NN, ITMAX1, ITMAX2,
$ NPRINT, TOL1, TOL2, INIT
INITL = LSAME( INIT, 'L' )
INITS = LSAME( INIT, 'S' )
INITB = LSAME( INIT, 'B' )
INITN = LSAME( INIT, 'N' )
INIT1 = INITL .OR. INITB
IF( M.LE.0 .OR. M.GT.MMAX ) THEN
WRITE ( NOUT, FMT = 99993 ) M
ELSE
IF( L.LE.0 .OR. L.GT.LMAX ) THEN
WRITE ( NOUT, FMT = 99992 ) L
ELSE
NS = N
IF( INIT1 ) THEN
IF( NOBR.LE.0 .OR. NOBR.GT.NOBRMX ) THEN
WRITE ( NOUT, FMT = 99991 ) NOBR
STOP
ELSEIF( NSMP.LT.2*( M + L + 1 )*NOBR - 1 ) THEN
WRITE ( NOUT, FMT = 99990 ) NSMP
STOP
ELSEIF( N.EQ.0 .OR. N.GE.NOBR ) THEN
WRITE ( NOUT, FMT = 99989 ) N
STOP
END IF
IF ( N.LT.0 )
$ N = NOBR - 1
ELSE
IF( NSMP.LT.0 ) THEN
WRITE ( NOUT, FMT = 99990 ) NSMP
STOP
ELSEIF( N.LT.0 .OR. N.GT.NMAX ) THEN
WRITE ( NOUT, FMT = 99989 ) N
STOP
END IF
END IF
IF( NN.LT.0 .OR. NN.GT.NNMAX ) THEN
WRITE ( NOUT, FMT = 99988 ) NN
ELSE
BSN = NN*( L + 2 ) + 1
L1 = BSN*L
L2 = N*( L + M + 1 ) + L*M
LX = L1 + L2
INI = 1
IF ( INITL ) THEN
LPAR = L1
ELSEIF ( INITS ) THEN
INI = L1 + 1
LPAR = L2
ELSEIF ( INITN ) THEN
LPAR = LX
END IF
IF( INIT1 )
$ N = NS
* Read the input-output data, initial parameters, and seed.
READ ( NIN, FMT = * ) ( ( U(I,J), J = 1,M ), I = 1,NSMP )
READ ( NIN, FMT = * ) ( ( Y(I,J), J = 1,L ), I = 1,NSMP )
IF ( .NOT.INITB )
$ READ ( NIN, FMT = * ) ( X(I), I = INI,INI+LPAR-1 )
IF ( INITS .OR. INITB )
$ READ ( NIN, FMT = * ) ( DWORK(I), I = 1,4 )
* Solve a Wiener system identification problem.
CALL IB03BD( INIT, NOBR, M, L, NSMP, N, NN, ITMAX1,
$ ITMAX2, NPRINT, U, LDU, Y, LDY, X, LX, TOL1,
$ TOL2, IWORK, DWORK, LDWORK, IWARN, INFO )
*
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
IF( IWARN.NE.0 ) WRITE ( NOUT, FMT = 99987 ) IWARN
ITER = DWORK(3)
WRITE ( NOUT, FMT = 99997 ) DWORK(2)
WRITE ( NOUT, FMT = 99996 ) ITER, IWORK(1), IWORK(2)
* Recompute LX is necessary.
IF ( INIT1 .AND. NS.LT.0 )
$ LX = L1 + N*( L + M + 1 ) + L*M
WRITE ( NOUT, FMT = 99994 )
WRITE ( NOUT, FMT = 99995 ) ( X(I), I = 1, LX )
END IF
END IF
END IF
END IF
STOP
*
99999 FORMAT (' IB03BD EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from IB03BD = ',I4)
99997 FORMAT (/' Final 2-norm of the residuals = ',D15.7)
99996 FORMAT (/' Number of iterations = ', I7,
$ /' Number of function evaluations = ', I7,
$ /' Number of Jacobian evaluations = ', I7)
99995 FORMAT (10(1X,F9.4))
99994 FORMAT (/' Final approximate solution is ' )
99993 FORMAT (/' M is out of range.',/' M = ',I5)
99992 FORMAT (/' L is out of range.',/' L = ',I5)
99991 FORMAT (/' NOBR is out of range.',/' NOBR = ',I5)
99990 FORMAT (/' NSMP is out of range.',/' NSMP = ',I5)
99989 FORMAT (/' N is out of range.',/' N = ',I5)
99988 FORMAT (/' NN is out of range.',/' NN = ',I5)
99987 FORMAT (' IWARN on exit from IB03BD = ',I4)
END
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