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* MC01TD EXAMPLE PROGRAM TEXT
*
* .. Parameters ..
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
INTEGER DPMAX
PARAMETER ( DPMAX = 10 )
* .. Local Scalars ..
INTEGER DP, DPP, I, INFO, IWARN, NZ
LOGICAL STABLE
CHARACTER*1 DICO
* .. Local Arrays ..
DOUBLE PRECISION DWORK(2*DPMAX+2), P(DPMAX+1)
* .. External Functions ..
LOGICAL LSAME
EXTERNAL LSAME
* .. External Subroutines ..
EXTERNAL MC01TD
* .. Executable Statements ..
*
WRITE ( NOUT, FMT = 99999 )
* Skip the heading in the data file and read the data.
READ ( NIN, FMT = * )
READ ( NIN, FMT = * ) DP, DICO
IF ( DP.LE.-1 .OR. DP.GT.DPMAX ) THEN
WRITE ( NOUT, FMT = 99993 ) DP
ELSE
DPP = DP
READ ( NIN, FMT = * ) ( P(I), I = 1,DP+1 )
* Determine whether or not the given polynomial P(x) is stable.
CALL MC01TD( DICO, DP, P, STABLE, NZ, DWORK, IWARN, INFO )
*
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
IF ( IWARN.NE.0 ) THEN
WRITE ( NOUT, FMT = 99997 ) IWARN
WRITE ( NOUT, FMT = 99996 ) DPP, DP
END IF
IF ( STABLE ) THEN
WRITE ( NOUT, FMT = 99995 )
ELSE
WRITE ( NOUT, FMT = 99994 )
IF ( LSAME( DICO, 'D' ) ) THEN
WRITE ( NOUT, FMT = 99992 ) NZ
ELSE
WRITE ( NOUT, FMT = 99991 ) NZ
END IF
END IF
END IF
END IF
STOP
*
99999 FORMAT (' MC01TD EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from MC01TD = ',I2)
99997 FORMAT (' IWARN on exit from MC01TD = ',I2,/)
99996 FORMAT (' The degree of the polynomial P(x) has been reduced fro',
$ 'm ',I2,' to ',I2,/)
99995 FORMAT (' The polynomial P(x) is stable ')
99994 FORMAT (' The polynomial P(x) is unstable ')
99993 FORMAT (/' DP is out of range. ',/' DP = ',I5)
99992 FORMAT (/' The number of zeros of P(x) outside the unit ',
$ 'circle = ',I2)
99991 FORMAT (/' The number of zeros of P(x) in the right ',
$ 'half-plane = ',I2)
END
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