Program f01ecfe ! F01ECF Example Program Text ! Mark 24 Release. NAG Copyright 2012. ! .. Use Statements .. Use nag_library, Only: f01ecf, nag_wp, x04caf ! .. Implicit None Statement .. Implicit None ! .. Parameters .. Integer, Parameter :: nin = 5, nout = 6 ! .. Local Scalars .. Integer :: i, ifail, lda, n ! .. Local Arrays .. Real (Kind=nag_wp), Allocatable :: a(:,:) ! .. Executable Statements .. Write (nout,*) 'F01ECF Example Program Results' Write (nout,*) Flush (nout) ! Skip heading in data file Read (nin,*) Read (nin,*) n lda = n Allocate (a(lda,n)) ! Read A from data file Read (nin,*)(a(i,1:n),i=1,n) ! ifail: behaviour on error exit ! =0 for hard exit, =1 for quiet-soft, =-1 for noisy-soft ifail = 0 ! Find exp( A ) Call f01ecf(n,a,lda,ifail) ! Print solution Call x04caf('General',' ',n,n,a,lda,'Exp(A)',ifail) End Program f01ecfe