Normalizes an angle.

    * Value must be a :ref:`type-int-float`.
    * Value must be between -360 and 360.
    * If the value is negative, it is normalized by adding it to 360
    * Returned value is a ``float`` between 0 and 360.

def normalizeRotationAngle(value):
    """
    Normalizes an angle.

    * Value must be a :ref:`type-int-float`.
    * Value must be between -360 and 360.
    * If the value is negative, it is normalized by adding it to 360
    * Returned value is a ``float`` between 0 and 360.
    """
    if not isinstance(value, (int, float)):
        raise TypeError("Angle must be instances of "
                        ":ref:`type-int-float`, not %s."
                        % type(value).__name__)
    if abs(value) > 360:
        raise ValueError("Angle must be between -360 and 360.")
    if value < 0:
        value = value + 360
    return float(value)