function value = e_01_2d ( dim_num, a, b )

%*****************************************************************************80
%
%% E_01_2D is the exact integral of 2d test function #1.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    18 November 2008
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    Ian Sloan, Stephen Joe,
%    Lattice Methods for Multiple Integration,
%    Oxford, 1994,
%    ISBN: 0198534728,
%    LC: QA311.S56
%
%  Parameters:
%
%    Input, integer DIM_NUM, the spatial dimension.
%
%    Input, real A(DIM_NUM), B(DIM_NUM), the integration limits.
%
%    Output, real VALUE, the integral of the function
%    over the limits.
%
  value = 1.0;

  return
end
