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diff --git a/raul/Quantizer.hpp b/raul/Quantizer.hpp
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+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Raul is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Raul is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef RAUL_QUANTIZER_HPP
+#define RAUL_QUANTIZER_HPP
+
+#include <cmath>
+
+namespace Raul {
+
+
+class Quantizer {
+public:
+	inline static double quantize(double q, double value) {
+		return (q > 0) ? lrint(value / q) * q : value;
+	}
+};
+
+
+} // namespace Raul
+
+#endif // RAUL_QUANTIZER_HPP