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+
+///////////////////////////////////////////////////////////////////////////
+// This program is free software: you can redistribute it and/or modify //
+// it under the terms of the version 3 of the GNU General Public License //
+// as published by the Free Software Foundation. //
+// //
+// This program 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 more details. //
+// //
+// You should have received a copy of the GNU General Public License //
+// along with this program. If not, see . //
+// //
+// Written by Francois Fleuret, (C) IDIAP //
+// Contact for comments & bug reports //
+///////////////////////////////////////////////////////////////////////////
+
+#ifndef GAUSSIAN_H
+#define GAUSSIAN_H
+
+#include "misc.h"
+
+class Gaussian {
+ int _nb_samples;
+ scalar_t _sum, _sum_sq;
+public:
+ Gaussian();
+ void add_sample(scalar_t x);
+ scalar_t expectation();
+ scalar_t variance();
+ scalar_t standard_deviation();
+};
+
+#endif