function r8ci_dif2_test ( )

%*****************************************************************************80
%
%% R8CI_DIF2_TEST tests R8CI_DIF2.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 June 2016
%
%  Author:
%
%    John Burkardt
%
  n = 5;

  fprintf ( 1, '\n' );
  fprintf ( 1, 'R8CI_DIF2_TEST\n' );
  fprintf ( 1, '  R8CI_DIF2 sets up an R8CI periodic second difference matrix.\n' );
  fprintf ( 1, '\n' );
  fprintf ( 1, '  Matrix order N = %d\n', n );

  a = r8ci_dif2 ( n );

  r8ci_print ( n, a, '  The R8CI periodic second difference matrix:' );

  return
end
