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+/* This file is part of the OpenLB library
+ *
+ * Copyright (C) 2018 Adrian Kummerlaender
+ * E-mail contact: info@openlb.net
+ * The most recent release of OpenLB can be downloaded at
+ * <http://www.openlb.net/>
+ *
+ * This program 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.
+ *
+ * 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, write to the Free
+ * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef SUPER_LOCAL_AVERAGE_2D_H
+#define SUPER_LOCAL_AVERAGE_2D_H
+
+#include "superBaseF2D.h"
+#include "indicator/superIndicatorBaseF2D.h"
+#include "utilities/functorPtr.h"
+
+namespace olb {
+
+
+/// Averages given functor inside the local sphere
+template <typename T, typename W = T>
+class SuperLocalAverage2D final : public SuperF2D<T,W> {
+private:
+ FunctorPtr<SuperF2D<T,W>> _f;
+ FunctorPtr<SuperIndicatorF2D<T>> _indicatorF;
+ const T _radius;
+
+public:
+ /// Primary constructor
+ /**
+ * \param f Functor to be locally averaged
+ * \param indicatorF Indicator describing relevant cells
+ * \param radius Radius of the locality sphere
+ **/
+ SuperLocalAverage2D(FunctorPtr<SuperF2D<T>>&& f,
+ FunctorPtr<SuperIndicatorF2D<T>>&& indicatorF,
+ T radius);
+
+ /**
+ * Returns average of functor \e _f evaluated on all cells both inside a sphere
+ * of \e _radius around \e input and indicated by \e _indicatorF.
+ **/
+ bool operator() (W output[], const int input[]) override;
+};
+
+
+}
+
+#endif