```    Program f11mlfe

!     F11MLF Example Program Text

!     Mark 26.2 Release. NAG Copyright 2017.

!     .. Use Statements ..
Use nag_library, Only: f11mlf, nag_wp
!     .. Implicit None Statement ..
Implicit None
!     .. Parameters ..
Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
Real (Kind=nag_wp)               :: anorm
Integer                          :: i, ifail, n, nnz
Character (1)                    :: norm
!     .. Local Arrays ..
Real (Kind=nag_wp), Allocatable  :: a(:)
Integer, Allocatable             :: icolzp(:), irowix(:)
!     .. Executable Statements ..
Write (nout,*) 'F11MLF Example Program Results'
!     Skip heading in data file

!     Read order of matrix and number of right hand sides

Allocate (icolzp(n+1))

nnz = icolzp(n+1) - 1

Allocate (a(nnz),irowix(nnz))

Do i = 1, nnz
End Do

!     Calculate 1-norm

norm = '1'

!     ifail: behaviour on error exit
!             =0 for hard exit, =1 for quiet-soft, =-1 for noisy-soft
ifail = 0
Call f11mlf(norm,anorm,n,icolzp,irowix,a,ifail)

!     Output norm

Write (nout,*)
Write (nout,*) 'One-norm'
Write (nout,'(F7.3)') anorm

!     Calculate M-norm

norm = 'M'

ifail = 0
Call f11mlf(norm,anorm,n,icolzp,irowix,a,ifail)

!     Output norm

Write (nout,*)
Write (nout,*) 'Max'
Write (nout,'(F7.3)') anorm

!     Calculate I-norm

norm = 'I'

ifail = 0
Call f11mlf(norm,anorm,n,icolzp,irowix,a,ifail)

!     Output norm

Write (nout,*)
Write (nout,*) 'Infinity-norm'
Write (nout,'(F7.3)') anorm

End Program f11mlfe
```