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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
C
C SPDX-License-Identifier: BSD-3-Clause
C
* TG01JD 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, LDE
PARAMETER ( LDA = NMAX, LDB = NMAX, LDC = PMAX,
$ LDE = NMAX )
INTEGER LDWORK, LIWORK
PARAMETER ( LDWORK = MAX( 8*NMAX,2*MMAX,2*PMAX ),
$ LIWORK = 2*NMAX + MAX( MMAX, PMAX ) )
* .. Local Scalars ..
CHARACTER EQUIL, JOB, SYSTYP
INTEGER I, INFO, J, M, N, NR, P
DOUBLE PRECISION TOL
* .. Local Arrays ..
INTEGER INFRED(7), IWORK(LIWORK)
DOUBLE PRECISION A(LDA,NMAX), B(LDB,MMAX), C(LDC,NMAX),
$ DWORK(LDWORK), E(LDE,NMAX)
* .. External Subroutines ..
EXTERNAL TG01JD
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. 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, TOL, JOB, SYSTYP, EQUIL
IF ( N.LT.0 .OR. N.GT.NMAX ) THEN
WRITE ( NOUT, FMT = 99988 ) N
ELSE
READ ( NIN, FMT = * ) ( ( A(I,J), J = 1,N ), I = 1,N )
READ ( NIN, FMT = * ) ( ( E(I,J), J = 1,N ), I = 1,N )
IF ( M.LT.0 .OR. M.GT.MMAX ) THEN
WRITE ( NOUT, FMT = 99987 ) M
ELSE
READ ( NIN, FMT = * ) ( ( B(I,J), J = 1,M ), I = 1,N )
IF ( P.LT.0 .OR. P.GT.PMAX ) THEN
WRITE ( NOUT, FMT = 99986 ) P
ELSE
READ ( NIN, FMT = * ) ( ( C(I,J), J = 1,N ), I = 1,P )
* Find the irreducible descriptor system (Ar-lambda Er,Br,Cr).
CALL TG01JD( JOB, SYSTYP, EQUIL, N, M, P, A, LDA, E, LDE,
$ B, LDB, C, LDC, NR, INFRED, TOL, IWORK,
$ DWORK, LDWORK, INFO )
*
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
WRITE ( NOUT, FMT = 99994 ) NR
WRITE ( NOUT, FMT = 99991 )
DO 10 I = 1, 4
IF( INFRED(I).GE.0 )
$ WRITE ( NOUT, FMT = 99990 ) I, INFRED(I)
10 CONTINUE
WRITE ( NOUT, FMT = 99997 )
DO 20 I = 1, NR
WRITE ( NOUT, FMT = 99995 ) ( A(I,J), J = 1,NR )
20 CONTINUE
WRITE ( NOUT, FMT = 99996 )
DO 30 I = 1, NR
WRITE ( NOUT, FMT = 99995 ) ( E(I,J), J = 1,NR )
30 CONTINUE
WRITE ( NOUT, FMT = 99993 )
DO 40 I = 1, NR
WRITE ( NOUT, FMT = 99995 ) ( B(I,J), J = 1,M )
40 CONTINUE
WRITE ( NOUT, FMT = 99992 )
DO 50 I = 1, P
WRITE ( NOUT, FMT = 99995 ) ( C(I,J), J = 1,NR )
50 CONTINUE
END IF
END IF
END IF
END IF
STOP
*
99999 FORMAT (' TG01JD EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from TG01JD = ',I2)
99997 FORMAT (/' The reduced state dynamics matrix Ar is ')
99996 FORMAT (/' The reduced descriptor matrix Er is ')
99995 FORMAT (20(1X,F8.4))
99994 FORMAT (' Order of reduced system =', I5 )
99993 FORMAT (/' The reduced input/state matrix Br is ')
99992 FORMAT (/' The reduced state/output matrix Cr is ')
99991 FORMAT (/' Achieved order reductions in different phases')
99990 FORMAT (' Phase',I2,':', I3, ' elliminated eigenvalue(s)' )
99988 FORMAT (/' N is out of range.',/' N = ',I5)
99987 FORMAT (/' M is out of range.',/' M = ',I5)
99986 FORMAT (/' P is out of range.',/' P = ',I5)
END
|
