! D01UBF Example Program Text
! Mark 30.1 Release. NAG Copyright 2024.
Module d01ubfe_mod
! D01UBF Example Program Module:
! Parameters and User-defined Routines
! .. Use Statements ..
Use nag_library, Only: nag_wp
! .. Implicit None Statement ..
Implicit None
! .. Accessibility Statements ..
Private
Public :: f
! .. Parameters ..
Integer, Parameter, Public :: nout = 6
Contains
Subroutine f(x,fv,n,iuser,ruser,ifail)
! .. Scalar Arguments ..
Integer, Intent (Inout) :: ifail
Integer, Intent (In) :: n
! .. Array Arguments ..
Real (Kind=nag_wp), Intent (Out) :: fv(n)
Real (Kind=nag_wp), Intent (Inout) :: ruser(*)
Real (Kind=nag_wp), Intent (In) :: x(n)
Integer, Intent (Inout) :: iuser(*)
! .. Executable Statements ..
fv = x
End Subroutine f
End Module d01ubfe_mod
Program d01ubfe
! .. Use Statements ..
Use d01ubfe_mod, Only: f, nout
Use nag_library, Only: d01ubf, nag_wp
! .. Implicit None Statement ..
Implicit None
! .. Local Scalars ..
Real (Kind=nag_wp) :: ans
Integer :: ifail, n
! .. Local Arrays ..
Real (Kind=nag_wp) :: ruser(1)
Integer :: iuser(1)
! .. Executable Statements ..
Write (nout,*) 'D01UBF Example Program Results'
n = 10
ifail = 0
Call d01ubf(f,n,ans,iuser,ruser,ifail)
Write (nout,*)
Write (nout,99999) 'Approximation to the integral = ', ans
99999 Format (1X,A,F12.5)
End Program d01ubfe