LOCAL
      result : dimensional_exponents := dimensional_exponents(0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
    END_LOCAL;

    IF 'MEASURE_SCHEMA.DERIVED_UNIT' IN TYPEOF(x) THEN
      REPEAT i := LOINDEX(x\derived_unit.elements) TO HIINDEX(x\derived_unit.elements);
        result.length_exponent := result.length_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.length_exponent);
        result.mass_exponent := result.mass_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.mass_exponent);
        result.time_exponent := result.time_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.time_exponent);
        result.electric_current_exponent := result.electric_current_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.electric_current_exponent);
        result.thermodynamic_temperature_exponent := result.thermodynamic_temperature_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.thermodynamic_temperature_exponent);
        result.amount_of_substance_exponent := result.amount_of_substance_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.amount_of_substance_exponent);
        result.luminous_intensity_exponent := result.luminous_intensity_exponent + 
        (x\derived_unit.elements[i]\derived_unit_element.exponent * 
         x\derived_unit.elements[i]\derived_unit_element.unit\named_unit.dimensions.luminous_intensity_exponent);
      END_REPEAT;
    ELSE
      result := x\named_unit.dimensions;
    END_IF;
    RETURN (result);