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C
C SPDX-License-Identifier: BSD-3-Clause
C
* MC01WD EXAMPLE PROGRAM TEXT
*
* .. Parameters ..
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
INTEGER DPMAX
PARAMETER ( DPMAX = 10 )
* .. Local Scalars ..
DOUBLE PRECISION U1, U2
INTEGER DP, I, INFO
* .. Local Arrays ..
DOUBLE PRECISION P(DPMAX+1), Q(DPMAX+1)
* .. External Subroutines ..
EXTERNAL MC01WD
* .. Executable Statements ..
*
WRITE ( NOUT,FMT = 99999 )
* Skip the heading in the data file and read the data.
READ ( NIN, FMT = '()' )
READ ( NIN, FMT = * ) DP
IF ( DP.LE.-1 .OR. DP.GT.DPMAX ) THEN
WRITE ( NOUT, FMT = 99994 ) DP
ELSE
READ ( NIN, FMT = * ) ( P(I), I = 1,DP+1 )
READ ( NIN, FMT = * ) U1, U2
* Compute Q(x) and R(x) from P(x) = (x**2+U2*x+U1) * Q(x) + R(x).
CALL MC01WD( DP, P, U1, U2, Q, INFO )
*
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
WRITE ( NOUT, FMT = 99997 )
DO 20 I = 0, DP - 2
WRITE ( NOUT, FMT = 99996 ) I, Q(I+3)
20 CONTINUE
WRITE ( NOUT, FMT = 99995 ) Q(1) + Q(2)*U2, Q(2)
END IF
END IF
*
STOP
*
99999 FORMAT (' MC01WD EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from MC01WD = ',I2)
99997 FORMAT (' The coefficients of the quotient polynomial Q(x) are ',
$ //' power of x coefficient ')
99996 FORMAT (2X,I5,9X,F9.4)
99995 FORMAT (/' The coefficients of the remainder polynomial R(x) are '
$ ,//' power of x coefficient ',/' 0 ',F9.4,
$ /' 1 ',F9.4)
99994 FORMAT (/' DP is out of range.',/' DP = ',I5)
END
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