diff maths/CosineDistance.h @ 31:dfe38135e4c7

* Add cosine distance and the self-similarity matrix used for SB rhythmic
  similarity
* Pull out SB timbral similarity KL divergence into its own file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/maths/CosineDistance.h	Fri Jan 18 14:40:20 2008 +0000
@@ -0,0 +1,32 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    QM DSP Library
+
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2008 Kurt Jacobson.
+    All rights reserved.
+*/
+
+#ifndef COSINEDISTANCE_H
+#define COSINEDISTANCE_H
+
+#include <vector>
+#include <math.h>
+
+using std::vector;
+
+class CosineDistance
+{
+public:
+    CosineDistance() { }
+    ~CosineDistance() { }
+
+    double distance(const vector<double> &v1, const vector<double> &v2);
+
+protected:
+    double dist, dDenTot, dDen1, dDen2, dSum1;
+};
+
+#endif
+