diff --git a/pointmatcher/PointMatcher.h b/pointmatcher/PointMatcher.h
index 6ceb5d8b..03a8a1ba 100644
--- a/pointmatcher/PointMatcher.h
+++ b/pointmatcher/PointMatcher.h
@@ -68,7 +68,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 //! version of the Pointmatcher library as string
-#define POINTMATCHER_VERSION "1.2.3"
+#define POINTMATCHER_VERSION "1.2.3-previz_mod.2015.5"
 //! version of the Pointmatcher library as an int
 #define POINTMATCHER_VERSION_INT 10203
 
@@ -703,10 +703,12 @@ struct PointMatcher
 		void loadFromYaml(const std::string& fileName);
 		unsigned getPrefilteredReadingPtsCount() const;
 		unsigned getPrefilteredReferencePtsCount() const;
-		
+		T getFinalSquaredDistance() const;
+
 	protected:
 		unsigned prefilteredReadingPtsCount; //!< remaining number of points after prefiltering but before the iterative process
 		unsigned prefilteredReferencePtsCount; //!< remaining number of points after prefiltering but before the iterative process
+		unsigned finalSquaredDistance; //!< the squared euclidean distance after the final iteration
 
 		ICPChainBase();