1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
* TB01ID EXAMPLE PROGRAM TEXT.
*
* .. Parameters ..
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
INTEGER NMAX, MMAX, PMAX
PARAMETER ( NMAX = 20, MMAX = 20, PMAX = 20 )
INTEGER LDA, LDB, LDC
PARAMETER ( LDA = NMAX, LDB = NMAX, LDC = PMAX )
* .. Local Scalars ..
CHARACTER*1 JOB
INTEGER I, INFO, J, M, N, P
DOUBLE PRECISION MAXRED
* .. Local Arrays ..
DOUBLE PRECISION A(LDA,NMAX), B(LDB,MMAX), C(LDC,NMAX),
$ SCALE(NMAX)
* .. External Subroutines ..
EXTERNAL TB01ID, UD01MD
* .. Executable Statements ..
*
WRITE ( NOUT, FMT = 99999 )
* Skip the heading in the data file and read the data.
READ ( NIN, FMT = '()' )
READ ( NIN, FMT = * ) N, M, P, JOB, MAXRED
IF ( N.LT.0 .OR. N.GT.NMAX ) THEN
WRITE ( NOUT, FMT = 99993 ) N
ELSE
READ ( NIN, FMT = * ) ( ( A(I,J), J = 1,N ), I = 1,N )
IF ( M.LT.0 .OR. M.GT.MMAX ) THEN
WRITE ( NOUT, FMT = 99992 ) M
ELSE
READ ( NIN, FMT = * ) ( ( B(I,J), J = 1,M ), I = 1,N )
IF ( P.LT.0 .OR. P.GT.MMAX ) THEN
WRITE ( NOUT, FMT = 99991 ) P
ELSE
READ ( NIN, FMT = * ) ( ( C(I,J), J = 1,N ), I = 1,P )
* Balance system matrix S.
CALL TB01ID( JOB, N, M, P, MAXRED, A, LDA, B, LDB, C,
$ LDC, SCALE, INFO )
*
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
CALL UD01MD( N, N, 5, NOUT, A, LDA,
$ 'The balanced matrix A', INFO )
IF ( M.GT.0 )
$ CALL UD01MD( N, M, 5, NOUT, B, LDB,
$ 'The balanced matrix B', INFO )
IF ( P.GT.0 )
$ CALL UD01MD( P, N, 5, NOUT, C, LDC,
$ 'The balanced matrix C', INFO )
CALL UD01MD( 1, N, 5, NOUT, SCALE, 1,
$ 'The scaling vector SCALE', INFO )
WRITE ( NOUT, FMT = 99994 ) MAXRED
END IF
END IF
END IF
END IF
STOP
*
99999 FORMAT (' TB01ID EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from TB01ID = ',I2)
99994 FORMAT (/' MAXRED is ',E13.4)
99993 FORMAT (/' N is out of range.',/' N = ',I5)
99992 FORMAT (/' M is out of range.',/' M = ',I5)
99991 FORMAT (/' P is out of range.',/' P = ',I5)
END
|
