Program e02aefe

!     E02AEF Example Program Text

!     Mark 28.3 Release. NAG Copyright 2022.

!     .. Use Statements ..
      Use nag_library, Only: e02aef, nag_wp
!     .. Implicit None Statement ..
      Implicit None
!     .. Parameters ..
      Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
      Real (Kind=nag_wp)               :: p, xcap
      Integer                          :: i, ifail, m, n, nplus1, r
!     .. Local Arrays ..
      Real (Kind=nag_wp), Allocatable  :: a(:)
!     .. Intrinsic Procedures ..
      Intrinsic                        :: real
!     .. Executable Statements ..
      Write (nout,*) 'E02AEF Example Program Results'

!     Skip heading in data file
      Read (nin,*)

      Read (nin,*) m
      Read (nin,*) n
      nplus1 = n + 1
      Allocate (a(nplus1))

      Read (nin,*)(a(i),i=1,nplus1)

      Do r = 1, m
        xcap = real(2*r-m-1,kind=nag_wp)/real(m-1,kind=nag_wp)

        ifail = 0
        Call e02aef(nplus1,a,xcap,p,ifail)

        If (r==1) Then
          Write (nout,*)
          Write (nout,*) '  R       Argument       Value of polynomial'
        End If

        Write (nout,99999) r, xcap, p
      End Do

99999 Format (1X,I3,F14.4,4X,F14.4)
    End Program e02aefe