function diophantine_4d_positive_test ( )

%*****************************************************************************80
%
%% diophantine_4d_positive_test tests diophantine_4d_positive.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    17 May 2020
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'diophantine_4d_positive_test\n' );
  fprintf ( 1, '  diophantine_4d_positive returns the positive solutions\n' );
  fprintf ( 1, '  of a Diophantine equation in 4 variables.\n' );

  a = [ 2; 3; 5; 6 ];
  b = 24;
  fprintf ( 1, '\n' );
  diophantine_equation_print ( a, b );
  x = diophantine_4d_positive ( a, b );
  diophantine_solution_print ( a, b, x );

  return
end

