PROGRAM g13cafe ! G13CAF Example Program Text ! Mark 23 Release. NAG Copyright 2011. ! .. Use Statements .. USE nag_library, ONLY : g13caf, nag_wp ! .. Implicit None Statement .. IMPLICIT NONE ! .. Parameters .. INTEGER, PARAMETER :: nin = 5, nout = 6 ! .. Local Scalars .. REAL (KIND=nag_wp) :: px INTEGER :: i, ic, ifail, iw, kc, l, lg, lxg, & mtx, mw, nc, ng, nx, nxg ! .. Local Arrays .. REAL (KIND=nag_wp), ALLOCATABLE :: c(:), xg(:) REAL (KIND=nag_wp) :: stats(4) ! .. Intrinsic Functions .. INTRINSIC max ! .. Executable Statements .. WRITE (nout,*) 'G13CAF Example Program Results' WRITE (nout,*) ! Skip heading in data file READ (nin,*) ! Read in the problem size READ (nin,*) nx, nc ! Read in smoothing parameters READ (nin,*) mtx, ic, px, iw, mw, l, lg IF (ic==0) THEN READ (nin,*) kc END IF IF (ic==0) THEN nxg = max(kc,l) ELSE nxg = l END IF lxg = max(nxg,nx) ALLOCATE (xg(lxg),c(nc)) ! Read in the data READ (nin,*) xg(1:nx) ! Calculate smoothed spectrum ifail = -1 CALL g13caf(nx,mtx,px,iw,mw,ic,nc,c,kc,l,lg,nxg,xg,ng,stats,ifail) IF (ifail/=0) THEN IF (ifail<4) THEN GO TO 20 END IF END IF ! Display results WRITE (nout,*) 'Covariances' WRITE (nout,99999) c(1:nc) WRITE (nout,*) WRITE (nout,99998) 'Degrees of freedom =', stats(1), & ' Bandwidth =', stats(4) WRITE (nout,*) WRITE (nout,99997) '95 percent confidence limits - Lower =', & stats(2), ' Upper =', stats(3) WRITE (nout,*) WRITE (nout,*) & ' Spectrum Spectrum Spectrum Spectrum' WRITE (nout,*) & ' estimate estimate estimate estimate' WRITE (nout,99996) (i,xg(i),i=1,ng) 20 CONTINUE 99999 FORMAT (1X,6F11.4) 99998 FORMAT (1X,A,F4.1,A,F7.4) 99997 FORMAT (1X,A,F7.4,A,F7.4) 99996 FORMAT (1X,I4,F10.4,I5,F10.4,I5,F10.4,I5,F10.4) END PROGRAM g13cafe