* F03ADF Example Program Text * Mark 15 Revised. NAG Copyright 1991. * .. Parameters .. INTEGER NMAX, LDA PARAMETER (NMAX=8,LDA=NMAX) INTEGER NIN, NOUT PARAMETER (NIN=5,NOUT=6) * .. Local Scalars .. DOUBLE PRECISION DETI, DETR INTEGER I, IFAIL, J, N * .. Local Arrays .. COMPLEX *16 A(LDA,NMAX) DOUBLE PRECISION WKSPCE(NMAX) * .. External Subroutines .. EXTERNAL F03ADF * .. Executable Statements .. WRITE (NOUT,*) 'F03ADF Example Program Results' * Skip heading in data file READ (NIN,*) READ (NIN,*) N WRITE (NOUT,*) IF (N.GE.0 .AND. N.LE.NMAX) THEN READ (NIN,*) ((A(I,J),J=1,N),I=1,N) IFAIL = 1 * CALL F03ADF(A,LDA,N,DETR,DETI,WKSPCE,IFAIL) * IF (IFAIL.EQ.0) THEN WRITE (NOUT,99998) DETR, DETI ELSE WRITE (NOUT,99997) IFAIL END IF ELSE WRITE (NOUT,99999) 'N is out of range: N = ', N END IF * 99999 FORMAT (1X,A,I5) 99998 FORMAT (1X,'Value of determinant = (',F9.4,',',F9.4,')') 99997 FORMAT (1X,/1X,' ** F03ADF returned with IFAIL = ',I5) END