function c8_log_values_test ( )

%*****************************************************************************80
%
%% c8_log_values_test() tests c8_log_values().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    03 January 2018
%
%  Author:
%
%    John Burkardt
%
  fprintf ( 1, '\n' );
  fprintf ( 1, 'c8_log_values_test():\n' );
  fprintf ( 1, '  c8_log_values() stores values of \n' );
  fprintf ( 1, '  the natural logarithm of a complex value.\n' );
  fprintf ( 1, '\n' );
  fprintf ( 1, '                    X                                         FX\n' );
  fprintf ( 1, '\n' );

  n_data = 0;

  while ( true )

    [ n_data, x, fx ] = c8_log_values ( n_data );

    if ( n_data == 0 )
      break
    end

    fprintf ( 1, '  ( %12f  %12f )  ( %24.16f, %24.16f )\n', ...
      real ( x ), imag ( x ), real ( fx ), imag ( fx ) );

  end

  return
end
