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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2017 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_INDICATOR_F_2D_H
+#define SUPER_INDICATOR_F_2D_H
+
+#include "functors/analytical/indicator/indicatorBaseF2D.h"
+#include "superIndicatorBaseF2D.h"
+#include "geometry/superGeometry2D.h"
+#include "functors/analytical/indicator/smoothIndicatorBaseF2D.h"
+
+namespace olb {
+
+
+/// SuperIndicatorF2D from IndicatorF2D
+/**
+ * Maintains block level BlockIndicatorFfromIndicatorF2D instances in SuperF2D::_blockF.
+ **/
+template <typename T>
+class SuperIndicatorFfromIndicatorF2D : public SuperIndicatorF2D<T> {
+protected:
+  IndicatorF2D<T>& _indicatorF;
+public:
+  /**
+   * \param indicatorF Indicator to be converted into a super indicator
+   * \param geometry   Super geometry required for block indicator construction
+   **/
+  SuperIndicatorFfromIndicatorF2D(IndicatorF2D<T>&    indicatorF,
+                                  SuperGeometry2D<T>& geometry);
+
+  using SuperIndicatorF2D<T>::operator();
+  bool operator() (bool output[], const int input[]) override;
+};
+
+
+/// SuperIndicatorF2D from SmoothIndicatorF2D
+/**
+ * Returns true if SmoothIndicatorF2D output is not near zero.
+ *
+ * Exposes block level indicators via SuperIndicatorF2D::getBlockIndicatorF
+ * respectively SuperIndicatorF2D::getExtendedBlockIndicatorF
+ **/
+template <typename T, bool HLBM>
+class SuperIndicatorFfromSmoothIndicatorF2D : public SuperIndicatorF2D<T> {
+protected:
+  FunctorPtr<SmoothIndicatorF2D<T,T,HLBM>> _indicatorF;
+public:
+  /**
+   * \param indicatorF Indicator to be converted into a super indicator
+   * \param geometry   Super geometry required for block indicator construction
+   **/
+  SuperIndicatorFfromSmoothIndicatorF2D(FunctorPtr<SmoothIndicatorF2D<T,T,HLBM>>&& indicatorF,
+                                          SuperGeometry2D<T>&                     geometry);
+
+  using SuperIndicatorF2D<T>::operator();
+  bool operator() (bool output[], const int input[]) override;
+};
+
+
+/// Indicator functor from material numbers
+/**
+ * Maintains block level BlockIndicatorMaterial2D instances in SuperF2D::_blockF.
+ **/
+template <typename T>
+class SuperIndicatorMaterial2D : public SuperIndicatorF2D<T> {
+public:
+  /**
+   * \param geometry  Super geometry required for block indicator construction
+   *                  and global material number queries
+   * \param materials Vector of material numbers to be indicated
+   **/
+  SuperIndicatorMaterial2D(SuperGeometry2D<T>& geometry, std::vector<int> materials);
+
+  using SuperIndicatorF2D<T>::operator();
+  bool operator() (bool output[], const int input[]) override;
+};
+
+
+/// Indicator identity functor
+/**
+ * Proxies a given indicator functor for simplified memory management.
+ * i.e. mixing non-owning indicator references and owning indicator pointers
+ *      in functor compositions.
+ **/
+template <typename T>
+class SuperIndicatorIdentity2D : public SuperIndicatorF2D<T> {
+protected:
+  FunctorPtr<SuperIndicatorF2D<T>> _indicatorF;
+public:
+  SuperIndicatorIdentity2D(FunctorPtr<SuperIndicatorF2D<T>>&& indicatorF);
+
+  using SuperIndicatorF2D<T>::operator();
+  bool operator() (bool output[], const int input[]) override;
+};
+
+
+} // namespace olb
+
+#endif