///<summary>
/// Throws an exception if the PrecisionModels differ.
///</summary>
///<param name="geometry">The Geometry with which to compare this Geometry.</param>
///<exception cref="ArgumentException">If the two Geometrys have *unequal PrecisionModels</exception>
protected virtual void CheckEqualPrecisionModel(Geometry geometry)
{
if ( !_precisionModel.Equals( geometry.GetPrecisionModel() ) )
{
throw new ArgumentException("Expected precision models to be equal, but they were not");
}
}