function value = p03_exact ( )

%*****************************************************************************80
%
%% P03_EXACT returns the exact integral of function 3 over the unit circle.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    17 December 2013
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, real VALUE, the exact integral.
%
  nu = 1.0;
  z = 1.0;
  value = 2.0 * pi * besseli ( nu, z );

  return
end
