Program f01ecfe
! F01ECF Example Program Text
! Mark 28.6 Release. NAG Copyright 2022.
! .. 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