```    Program e01zafe

!     Mark 27.0 Release. NAG Copyright 2019.

!     .. Use Statements ..
Use nag_library, Only: e01zaf, nag_wp
!     .. Implicit None Statement ..
Implicit None
!     .. Parameters ..
Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
Real (Kind=nag_wp)               :: ans, tv, wf
Integer                          :: d, i, ifail, lx
!     .. Local Arrays ..
Real (Kind=nag_wp), Allocatable  :: axis(:), point(:), v(:)
Integer, Allocatable             :: narr(:)
!     .. Intrinsic Procedures ..
Intrinsic                        :: abs, product
!     .. Executable Statements ..

Write (nout,*) 'E01ZAF Example Program Results'

!     Allocate arrays
Allocate (narr(d),point(d),axis(2*d))
!     Read in narr and point
!     Allocate data
Allocate (v(product(narr)))
!     Read in in axis and data
Do i = 1, d
End Do
Do i = 1, product(narr(2:))
End Do

!     Set remaining Variables
lx = 2*d
ifail = 0

!     Set true value of function
tv = point(1)**3 - point(2)**2 + point(3)
Write (nout,99999) 'True Value :', tv

!     Do weighted average method
Call e01zaf(d,narr,.True.,axis,lx,v,point,1,1,wf,ans,ifail)
Write (nout,99998) 'Weighted Average:', ans, 'Error :', abs(ans-tv)

!     Do Linear Method
Call e01zaf(d,narr,.True.,axis,lx,v,point,2,1,wf,ans,ifail)
Write (nout,99998) 'Linear:', ans, 'Error :', abs(ans-tv)

!     Do Cubic Convolution Method
Call e01zaf(d,narr,.True.,axis,lx,v,point,3,2,wf,ans,ifail)
Write (nout,99998) 'Cubic:', ans, 'Error :', abs(ans-tv)

99999 Format (A12,F9.5)
99998 Format (A20,F9.5,2X,A,F9.5)
End Program e01zafe
```