Program f01kgfe
! F01KGF Example Program Text
! Mark 30.0 Release. NAG Copyright 2024.
! .. Use Statements ..
Use nag_library, Only: f01kgf, nag_wp, x04daf
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nin = 5, nout = 6
! .. Local Scalars ..
Real (Kind=nag_wp) :: condea
Integer :: i, ierr, ifail, lda, n
! .. Local Arrays ..
Complex (Kind=nag_wp), Allocatable :: a(:,:)
! .. Executable Statements ..
Write (nout,*) 'F01KGF 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)
! Find exp( A ) and the condition estimate
ifail = 0
Call f01kgf(n,a,lda,condea,ifail)
! Print solution
ierr = 0
Call x04daf('General',' ',n,n,a,lda,'Exp(A)',ierr)
Write (nout,*)
Write (nout,99999) 'Estimated condition number is: ', condea
99999 Format (1X,A,F6.2)
End Program f01kgfe