diff -r 76b254ce92cf -r 6493fb65f0b1 include/matrix.h
--- a/include/matrix.h	Wed Mar 19 17:18:59 2008 +0100
+++ b/include/matrix.h	Wed Mar 26 00:52:27 2008 +0100
@@ -31,6 +31,9 @@
 
 using namespace std;
 
+/**
+ * matrix helper class
+ */
 class Matrix
 {
 public: