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C
C SPDX-License-Identifier: BSD-3-Clause
C
* MB02KD EXAMPLE PROGRAM TEXT
*
* .. Parameters ..
DOUBLE PRECISION ZERO, ONE
PARAMETER ( ZERO = 0.0D0, ONE = 1.0D0 )
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
INTEGER KMAX, LMAX, MMAX, NMAX, RMAX
PARAMETER ( KMAX = 20, LMAX = 20, MMAX = 20, NMAX = 20,
$ RMAX = 20 )
INTEGER LDB, LDC, LDTC, LDTR, LDWORK
PARAMETER ( LDB = LMAX*NMAX, LDC = KMAX*MMAX,
$ LDTC = MMAX*KMAX, LDTR = KMAX,
$ LDWORK = 2*( KMAX*LMAX + KMAX*RMAX
$ + LMAX*RMAX + 1 )*( MMAX + NMAX ) )
* .. Local Scalars ..
INTEGER I, INFO, J, K, L, M, N, R
CHARACTER LDBLK, TRANS
DOUBLE PRECISION ALPHA, BETA
* .. Local Arrays .. (Dimensioned for TRANS = 'N'.)
DOUBLE PRECISION B(LDB,RMAX), C(LDC,RMAX), DWORK(LDWORK),
$ TC(LDTC,LMAX), TR(LDTR,NMAX*LMAX)
* .. External Functions ..
LOGICAL LSAME
EXTERNAL LSAME
* .. External Subroutines ..
EXTERNAL MB02KD
* .. 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 = * ) K, L, M, N, R, LDBLK, TRANS
IF( K.LE.0 .OR. K.GT.KMAX ) THEN
WRITE ( NOUT, FMT = 99994 ) K
ELSE IF( L.LE.0 .OR. L.GT.LMAX ) THEN
WRITE ( NOUT, FMT = 99993 ) L
ELSE IF( M.LE.0 .OR. M.GT.MMAX ) THEN
WRITE ( NOUT, FMT = 99992 ) M
ELSE IF( N.LE.0 .OR. N.GT.NMAX ) THEN
WRITE ( NOUT, FMT = 99991 ) N
ELSE IF( R.LE.0 .OR. R.GT.RMAX ) THEN
WRITE ( NOUT, FMT = 99990 ) N
ELSE
IF ( LSAME( LDBLK, 'R' ) ) THEN
READ ( NIN, FMT = * ) ( ( TC(I,J), J = 1,L ),
$ I = 1,(M-1)*K )
READ ( NIN, FMT = * ) ( ( TR(I,J), J = 1,N*L ), I = 1,K )
ELSE
READ ( NIN, FMT = * ) ( ( TC(I,J), J = 1,L ), I = 1,M*K )
READ ( NIN, FMT = * ) ( ( TR(I,J), J = 1,(N-1)*L ),
$ I = 1,K )
END IF
IF ( LSAME( TRANS, 'N' ) ) THEN
READ ( NIN, FMT = * ) ( ( B(I,J), J = 1,R ), I = 1,N*L )
ELSE
READ ( NIN, FMT = * ) ( ( B(I,J), J = 1,R ), I = 1,M*K )
END IF
ALPHA = ONE
BETA = ZERO
CALL MB02KD( LDBLK, TRANS, K, L, M, N, R, ALPHA, BETA, TC,
$ LDTC, TR, LDTR, B, LDB, C, LDC, DWORK, LDWORK,
$ INFO )
IF ( INFO.NE.0 ) THEN
WRITE ( NOUT, FMT = 99998 ) INFO
ELSE
IF ( LSAME( TRANS, 'N' ) ) THEN
WRITE ( NOUT, FMT = 99997 )
DO 10 I = 1, M*K
WRITE ( NOUT, FMT = 99995 ) ( C(I,J), J = 1,R )
10 CONTINUE
ELSE
WRITE ( NOUT, FMT = 99996 )
DO 20 I = 1, N*L
WRITE ( NOUT, FMT = 99995 ) ( C(I,J), J = 1,R )
20 CONTINUE
END IF
END IF
END IF
STOP
*
99999 FORMAT (' MB02KD EXAMPLE PROGRAM RESULTS',/1X)
99998 FORMAT (' INFO on exit from MB02KD = ',I2)
99997 FORMAT (' The product C = T * B is ')
99996 FORMAT (' The product C = T^T * B is ')
99995 FORMAT (20(1X,F8.4))
99994 FORMAT (/' K is out of range.',/' K = ',I5)
99993 FORMAT (/' L is out of range.',/' L = ',I5)
99992 FORMAT (/' M is out of range.',/' M = ',I5)
99991 FORMAT (/' N is out of range.',/' N = ',I5)
99990 FORMAT (/' R is out of range.',/' R = ',I5)
END
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