template <class args_info_type, class FixedImageType, class MovingImageType>
GenericMetric<args_info_type, FixedImageType, MovingImageType>::GenericMetric()
{
template <class args_info_type, class FixedImageType, class MovingImageType>
GenericMetric<args_info_type, FixedImageType, MovingImageType>::GenericMetric()
{