Change comment block at the top of KDTree.cpp

KDTree.cpp

@@ -1,15 +1,12 @@
-/*
- * file: KDTree.hpp
- * author: J. Frederico Carvalho
- *
- * This is an adaptation of the KD-tree implementation in rosetta code
- * https://rosettacode.org/wiki/K-d_tree
- *
- * It is a reimplementation of the C code using C++.  It also includes a few
- * more queries than the original, namely finding all points at a distance
- * smaller than some given distance to a point.
- *
- */
+/// @file KDTree.cpp
+/// @author J. Frederico Carvalho
+///
+/// This is an adaptation of the KD-tree implementation in rosetta code
+/// https://rosettacode.org/wiki/K-d_tree
+///
+/// It is a reimplementation of the C code using C++.  It also includes a few
+/// more queries than the original, namely finding all points at a distance
+/// smaller than some given distance to a point.
 
 #include <algorithm>
 #include <cmath>