How to use

getDerivedUnit

method

in

ucar.units.ScaledUnit

/**
 * Converts a numeric value from this unit to the underlying derived unit.
 * 
 * @param amount
 *            The numeric value in this unit.
 * @return The equivalent value in the underlying derived unit.
 * @throws ConversionException
 *             Can't convert value to the underlying derived unit.
 */
public double toDerivedUnit(final double amount) throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) _unit).toDerivedUnit(amount * getScale());
}

/**
 * Converts a numeric value from this unit to the underlying derived unit.
 * 
 * @param amount
 *            The numeric value in this unit.
 * @return The equivalent value in the underlying derived unit.
 * @throws ConversionException
 *             Can't convert value to the underlying derived unit.
 */
public double toDerivedUnit(final double amount) throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) _unit).toDerivedUnit(amount * getScale());
}

/**
 * Converts a numeric value from the underlying derived unit to this unit.
 * 
 * @param amount
 *            The numeric value in the underlying derived unit.
 * @return The equivalent value in this unit.
 * @throws ConversionException
 *             Can't convert value.
 */
public double fromDerivedUnit(final double amount)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  return ((DerivableUnit) getUnit()).fromDerivedUnit(amount) / getScale();
}

/**
 * Converts a numeric value from the underlying derived unit to this unit.
 * 
 * @param amount
 *            The numeric value in the underlying derived unit.
 * @return The equivalent value in this unit.
 * @throws ConversionException
 *             Can't convert value.
 */
public double fromDerivedUnit(final double amount)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  return ((DerivableUnit) getUnit()).fromDerivedUnit(amount) / getScale();
}

/**
 * Converts numeric values from this unit to the underlying derived unit.
 * 
 * @param input
 *            The numeric values in this unit.
 * @param output
 *            The equivalent values in the underlying derived unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values to the underlying derived unit.
 */
public float[] toDerivedUnit(final float[] input, final float[] output)
    throws ConversionException {
  final float scale = (float) getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] = input[i] * scale;
  }
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) getUnit()).toDerivedUnit(output, output);
}

/**
 * Converts numeric values from the underlying derived unit to this unit.
 * 
 * @param input
 *            The numeric values in the underlying derived unit.
 * @param output
 *            The equivalent values in this unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values.
 */
public float[] fromDerivedUnit(final float[] input, final float[] output)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  ((DerivableUnit) getUnit()).fromDerivedUnit(input, output);
  final float scale = (float) getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] /= scale;
  }
  return output;
}

/**
 * Converts numeric values from this unit to the underlying derived unit.
 * 
 * @param input
 *            The numeric values in this unit.
 * @param output
 *            The equivalent values in the underlying derived unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values to the underlying derived unit.
 */
public double[] toDerivedUnit(final double[] input, final double[] output)
    throws ConversionException {
  final double scale = getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] = input[i] * scale;
  }
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) getUnit()).toDerivedUnit(output, output);
}

/**
 * Converts numeric values from this unit to the underlying derived unit.
 * 
 * @param input
 *            The numeric values in this unit.
 * @param output
 *            The equivalent values in the underlying derived unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values to the underlying derived unit.
 */
public double[] toDerivedUnit(final double[] input, final double[] output)
    throws ConversionException {
  final double scale = getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] = input[i] * scale;
  }
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) getUnit()).toDerivedUnit(output, output);
}

/**
 * Converts numeric values from the underlying derived unit to this unit.
 * 
 * @param input
 *            The numeric values in the underlying derived unit.
 * @param output
 *            The equivalent values in this unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values.
 */
public double[] fromDerivedUnit(final double[] input, final double[] output)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  ((DerivableUnit) getUnit()).fromDerivedUnit(input, output);
  final double scale = getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] /= scale;
  }
  return output;
}

/**
 * Converts numeric values from this unit to the underlying derived unit.
 * 
 * @param input
 *            The numeric values in this unit.
 * @param output
 *            The equivalent values in the underlying derived unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values to the underlying derived unit.
 */
public float[] toDerivedUnit(final float[] input, final float[] output)
    throws ConversionException {
  final float scale = (float) getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] = input[i] * scale;
  }
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(this, getDerivedUnit());
  }
  return ((DerivableUnit) getUnit()).toDerivedUnit(output, output);
}

/**
 * Converts numeric values from the underlying derived unit to this unit.
 * 
 * @param input
 *            The numeric values in the underlying derived unit.
 * @param output
 *            The equivalent values in this unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values.
 */
public double[] fromDerivedUnit(final double[] input, final double[] output)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  ((DerivableUnit) getUnit()).fromDerivedUnit(input, output);
  final double scale = getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] /= scale;
  }
  return output;
}

/**
 * Converts numeric values from the underlying derived unit to this unit.
 * 
 * @param input
 *            The numeric values in the underlying derived unit.
 * @param output
 *            The equivalent values in this unit.
 * @return <code>output</code>.
 * @throws ConversionException
 *             Can't convert values.
 */
public float[] fromDerivedUnit(final float[] input, final float[] output)
    throws ConversionException {
  if (!(_unit instanceof DerivableUnit)) {
    throw new ConversionException(getDerivedUnit(), this);
  }
  ((DerivableUnit) getUnit()).fromDerivedUnit(input, output);
  final float scale = (float) getScale();
  for (int i = input.length; --i >= 0;) {
    output[i] /= scale;
  }
  return output;
}