Program g13dlfe ! G13DLF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: g13dlf, nag_wp ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Integer :: d, i, ifail, k, kmax, n, nd, tddelta ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: delta(:,:), w(:,:), work(:), z(:,:) Integer, Allocatable :: id(:) Character (1), Allocatable :: tr(:) ! .. Intrinsic Procedures .. Intrinsic :: max, maxval ! .. Executable Statements .. Write (nout,*) 'G13DLF Example Program Results' Write (nout,*) ! Skip heading in data file Read (nin,*) ! Read in problem size Read (nin,*) k, n Allocate (id(k)) ! Read in differencing Read (nin,*) id(1:k) d = maxval(id(1:k)) tddelta = max(d,1) nd = n - d kmax = k Allocate (z(kmax,n),tr(k),delta(kmax,tddelta),w(kmax,nd),work(k*n)) ! Read in series and the transformation flag Read (nin,*)(z(i,1:n),i=1,k) Read (nin,*) tr(1:k) ! If required, read in delta If (d>0) Then Read (nin,*)(delta(i,1:id(i)),i=1,k) End If ! Difference and / or transform series ifail = 0 Call g13dlf(k,n,z,kmax,tr,id,delta,w,nd,work,ifail) ! Display results Write (nout,*) ' Transformed/Differenced series' Write (nout,*) ' ------------------------------' Do i = 1, k Write (nout,*) Write (nout,99999) ' Series ', i Write (nout,*) ' -----------' Write (nout,*) Write (nout,99998) ' Number of differenced values = ', nd Write (nout,*) Write (nout,99997) w(i,1:nd) End Do 99999 Format (1X,A,I2) 99998 Format (1X,A,I6) 99997 Format (1X,8F9.3) End Program g13dlfe