function r8bto_dif2_test ( )

%*****************************************************************************80
%
%% R8BTO_DIF2_TEST tests R8BTO_DIF2.
%
%  Licensing:
%
%    This code is distributed under the MIT license. 
%
%  Modified:
%
%    04 July 2016
%
%  Author:
%
%    John Burkardt
%
  l = 5;
  m = 1;

  fprintf ( 1, '\n' );
  fprintf ( 1, 'R8BTO_DIF2_TEST\n' );
  fprintf ( 1, '  R8BTO_DIF2 sets up an R8BTO version of\n' );
  fprintf ( 1, '  the second difference matrix (assuming M = 1 ).\n' );
  fprintf ( 1, '\n' );
  fprintf ( 1, '  Block order M =  %d\n', m );
  fprintf ( 1, '  Block number L = %d\n', l );
  fprintf ( 1, '  Matrix order N = %d\n', m * l );

  a = r8bto_dif2 ( m, l);

  r8bto_print ( m, l, a, '  The R8BTO second difference matrix:' );

  return
end