Program f01fdfe
! F01FDF Example Program Text
! Mark 26.1 Release. NAG Copyright 2016.
! .. Use Statements ..
Use nag_library, Only: f01fdf, nag_wp, x04daf
! .. Implicit None Statement ..
Implicit None
! .. Parameters ..
Integer, Parameter :: nin = 5, nout = 6
! .. Local Scalars ..
Integer :: i, ierr, ifail, lda, n
Character (1) :: uplo
! .. Local Arrays ..
Complex (Kind=nag_wp), Allocatable :: a(:,:)
! .. Executable Statements ..
Write (nout,*) 'F01FDF Example Program Results'
Write (nout,*)
Flush (nout)
! Skip heading in data file
Read (nin,*)
Read (nin,*) n
Read (nin,*) uplo
lda = n
Allocate (a(lda,n))
! Read A from data file
If (uplo=='U' .Or. uplo=='u') Then
Read (nin,*)(a(i,i:n),i=1,n)
Else
Read (nin,*)(a(i,1:i),i=1,n)
End If
! Find exp( A )
ifail = 0
Call f01fdf(uplo,n,a,lda,ifail)
! Print solution
ierr = 0
Call x04daf(uplo,'N',n,n,a,lda,'Hermitian Exp(A)',ierr)
End Program f01fdfe