```    Program g05tgfe

!     G05TGF Example Program Text

!     Mark 25 Release. NAG Copyright 2014.

!     .. Use Statements ..
Use nag_library, Only: g05kff, g05tgf, nag_wp, x04eaf
!     .. Implicit None Statement ..
Implicit None
!     .. Parameters ..
Integer, Parameter               :: lseed = 1, maxlr = 5000, nin = 5,    &
nout = 6
!     .. Local Scalars ..
Real (Kind=nag_wp)               :: pmax
Integer                          :: genid, ifail, k, ldx, lr, lstate, m, &
mode, n, subid
!     .. Local Arrays ..
Real (Kind=nag_wp), Allocatable  :: p(:), r(:)
Integer                          :: seed(lseed)
Integer, Allocatable             :: state(:), x(:,:)
!     .. Intrinsic Procedures ..
Intrinsic                        :: int, maxval, real, sqrt
!     .. Executable Statements ..
Write (nout,*) 'G05TGF Example Program Results'
Write (nout,*)
Flush (nout)

!     Skip heading in data file

!     Read in the base generator information and seed

!     Initial call to initialiser to get size of STATE array
lstate = 0
Allocate (state(lstate))
ifail = 0
Call g05kff(genid,subid,seed,lseed,state,lstate,ifail)

!     Reallocate STATE
Deallocate (state)
Allocate (state(lstate))

!     Initialize the generator to a repeatable sequence
ifail = 0
Call g05kff(genid,subid,seed,lseed,state,lstate,ifail)

!     Read in the distribution parameters

ldx = n
Allocate (x(ldx,k),p(k))

!     Use suggested value for LR
pmax = maxval(p(1:k))
lr = int(3.0E1_nag_wp+2.0E1_nag_wp*sqrt(real(m, &
kind=nag_wp)*pmax*(1.0E0_nag_wp-pmax)))

!     If R is a reasonable size use MODE = 2
!     else do not reference R and use MODE = 3
If (lr<maxlr) Then
mode = 2
Else
mode = 3
lr = 0
End If

Allocate (r(lr))

!     Generate the variates
ifail = 0
Call g05tgf(mode,n,m,k,p,r,lr,state,x,ldx,ifail)

!     Display the variates
ifail = 0
Call x04eaf('General',' ',n,k,x,ldx,' ',ifail)

End Program g05tgfe
```