rv::som:: moved SOM to a subdirectory

rogueviz/som/embeddings.cpp

@@ -1,3 +1,6 @@
+// here the embeddings used in our experiments are implemented
+// Copyright (C) 2011-2022 Tehora and Zeno Rogue, see 'hyper.cpp' for details
+
 #include "kohonen.h"
 
 namespace rogueviz {

rogueviz/som/kohonen.cpp

@@ -1,8 +1,5 @@
-// Hyperbolic Rogue
-// Copyright (C) 2011-2018 Zeno and Tehora Rogue, see 'hyper.cpp' for details
-
-// Kohonen's self-organizing maps. 
-// This is a part of RogueViz, not a part of HyperRogue.
+// the general implementation of non-Euclidean self-organizing maps
+// Copyright (C) 2011-2022 Tehora and Zeno Rogue, see 'hyper.cpp' for details
 
 #include "kohonen.h"
 

rogueviz/som/kohonen.h

@@ -1,8 +1,10 @@
-/* a header file for kohonen and embedding */
+// a header file for kohonen and embedding
+// Copyright (C) 2011-2022 Tehora and Zeno Rogue, see 'hyper.cpp' for details
+
 #ifndef _KOHONEN_H_
 #define _KOHONEN_H_
 
-#include "rogueviz.h"
+#include "../rogueviz.h"
 
 namespace rogueviz {