%% SOBOL_TEST07 tests I4_XOR.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    21 August 2006
%
%  Author:
%
%    John Burkardt
%
  clear

  fprintf ( 1, '\n' );
  fprintf ( 1, 'SOBOL_TEST07\n' );
  fprintf ( 1, '  I4_XOR returns the bitwise exclusive OR of two integers.\n' );

  fprintf ( 1, '\n' );
  fprintf ( 1, '     I     J     I4_XOR(I,J)\n' );
  fprintf ( 1, '\n' );

  seed = 123456789;

  for test = 1 : 10

    [ i, seed ] = i4_uniform ( 0, 100, seed );
    [ j, seed ] = i4_uniform ( 0, 100, seed );
    k = i4_xor ( i, j );

    fprintf ( 1, '  %6d %6d %6d\n', i, j, k );

  end