PROGRAM g13cgfe ! G13CGF Example Program Text ! Mark 23 Release. NAG Copyright 2011. ! .. Use Statements .. USE nag_library, ONLY : g13cgf, nag_wp ! .. Implicit None Statement .. IMPLICIT NONE ! .. Parameters .. INTEGER, PARAMETER :: nin = 5, nout = 6 ! .. Local Scalars .. REAL (KIND=nag_wp) :: erlw, erup, rfse INTEGER :: i, ifail, j, l, n, ng ! .. Local Arrays .. REAL (KIND=nag_wp), ALLOCATABLE :: er(:), rf(:), xg(:), xyig(:), & xyrg(:), yg(:) REAL (KIND=nag_wp) :: stats(4) ! .. Executable Statements .. WRITE (nout,*) 'G13CGF Example Program Results' WRITE (nout,*) ! Skip heading in data file READ (nin,*) ! Read in the problem size READ (nin,*) ng, l, n ALLOCATE (xg(ng),yg(ng),xyrg(ng),xyig(ng),er(ng),rf(l)) ! Read in the statistics READ (nin,*) (stats(i),i=1,4) ! Read in data READ (nin,*) (xg(i),yg(i),xyrg(i),xyig(i),i=1,ng) ! Calculate noise spectrum ifail = -1 CALL g13cgf(xg,yg,xyrg,xyig,ng,stats,l,n,er,erlw,erup,rf,rfse,ifail) IF (ifail/=0) THEN IF (ifail<2) THEN GO TO 20 END IF END IF ! Display results WRITE (nout,*) ' Noise spectrum' WRITE (nout,99999) (j-1,er(j),j=1,ng) WRITE (nout,*) WRITE (nout,*) 'Noise spectrum bounds multiplying factors' WRITE (nout,99998) 'Lower =', erlw, ' Upper =', erup WRITE (nout,*) WRITE (nout,*) 'Impulse response function' WRITE (nout,*) WRITE (nout,99999) (j-1,rf(j),j=1,l) WRITE (nout,*) WRITE (nout,99998) 'Impulse response function standard error =', rfse 20 CONTINUE 99999 FORMAT (1X,I5,F16.4) 99998 FORMAT (1X,A,F10.4,A,F10.4) END PROGRAM g13cgfe