Program g08cbfe

!     G08CBF Example Program Text

!     Mark 28.7 Release. NAG Copyright 2022.

!     .. Use Statements ..
      Use nag_library, Only: g08cbf, nag_wp
!     .. Implicit None Statement ..
      Implicit None
!     .. Parameters ..
      Integer, Parameter               :: nin = 5, nout = 6
!     .. Local Scalars ..
      Real (Kind=nag_wp)               :: d, p, z
      Integer                          :: ifail, n, npar, ntype
      Character (2)                    :: dist
      Character (1)                    :: estima
!     .. Local Arrays ..
      Real (Kind=nag_wp)               :: par(2)
      Real (Kind=nag_wp), Allocatable  :: sx(:), x(:)
!     .. Executable Statements ..
      Write (nout,*) 'G08CBF Example Program Results'
      Write (nout,*)

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

!     Read in problem size and the statistic to calculate
      Read (nin,*) n, ntype

      Allocate (x(n),sx(n))

!     Read in data
      Read (nin,*) x(1:n)

!     Read in information on the distribution to test against
      Read (nin,*) dist, estima

      Select Case (dist)
      Case ('P','p','E','e')
        npar = 1
      Case Default
        npar = 2
      End Select

!     Read in the distribution parameters if required
!     otherwise they are estimated from the data by G08CBF
!     and PAR need not be set
      If (estima=='S' .Or. estima=='s') Then
        Read (nin,*) par(1:npar)
      Else If (dist=='B' .Or. dist=='b' .Or. dist=='NB' .Or. dist=='nb') Then
!       Read in M for the binomial distribution
        Read (nin,*) par(1)
      End If

!     Perform K-S test
      ifail = 0
      Call g08cbf(n,x,dist,par,estima,ntype,d,z,p,sx,ifail)

!     Display results
      Write (nout,*) 'K-S Test'
      Write (nout,*) 'Distribution: ', dist
      Write (nout,99999) 'Parameters  : ', par(1:npar)
      Write (nout,*)
      Write (nout,99999) 'Test statistic D = ', d
      Write (nout,99999) 'Z statistic      = ', z
      Write (nout,99999) 'Tail probability = ', p

99999 Format (1X,A,2F8.4)
    End Program g08cbfe