function uniform_discrete_cdf_test ( )

%*****************************************************************************80
%
%% uniform_discrete_cdf_test() tests uniform_discrete_cdf().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    04 April 2016
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'UNIFORM_DISCRETE_CDF_TEST():\n' );
  fprintf ( 1, '  UNIFORM_DISCRETE_CDF() evaluates the Uniform Discrete CDF;\n' );
  fprintf ( 1, '  UNIFORM_DISCRETE_CDF_INV() inverts the Uniform Discrete CDF.\n' );
  fprintf ( 1, '  UNIFORM_DISCRETE_PDF() evaluates the Uniform Discrete PDF;\n' );

  a = 1;
  b = 6;

  check = uniform_discrete_check ( a, b );

  if ( ~ check );
    fprintf ( 1, '\n' );
    fprintf ( 1, 'UNIFORM_DISCRETE_CDF_TEST(): Fatal error!\n' );
    fprintf ( 1, '  The parameters are not legal.\n' );
    return
  end

  fprintf ( 1, '\n' );
  fprintf ( 1, '  PDF parameter A =             %6d\n', a );
  fprintf ( 1, '  PDF parameter B =             %6d\n', b );
  fprintf ( 1, '\n' );
  fprintf ( 1, '       X            PDF           CDF            CDF_INV\n' );
  fprintf ( 1, '\n' );

  for i = 1 : 10

    x = uniform_discrete_sample ( a, b );

    pdf = uniform_discrete_pdf ( x, a, b );

    cdf = uniform_discrete_cdf ( x, a, b );

    x2 = uniform_discrete_cdf_inv ( cdf, a, b );

    fprintf ( 1, '  %14d  %14g  %14g  %14d\n', x, pdf, cdf, x2 );

  end

  return
end
