Initialize at openlb-1-3

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diff --git a/src/functors/lattice/blockLatticeIntegralF2D.h b/src/functors/lattice/blockLatticeIntegralF2D.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2012 Lukas Baron, Mathias J. Krause, Albert Mink
+ *  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 BLOCK_LATTICE_INTEGRAL_F_2D_H
+#define BLOCK_LATTICE_INTEGRAL_F_2D_H
+
+
+#include "functors/genericF.h"
+#include "blockBaseF2D.h"
+#include "geometry/blockGeometry2D.h"
+
+/** Note: Throughout the whole source code directory genericFunctions, the
+ *  template parameters for i/o dimensions are:
+ *           F: S^m -> T^n  (S=source, T=target)
+ */
+
+namespace olb {
+
+
+template<typename T, typename DESCRIPTOR> class BlockLattice2D;
+template<typename T> class BlockIndicatorF2D;
+
+
+/// BlockMax2D returns the max in each component of all points of a certain material
+template <typename T, typename DESCRIPTOR>
+class BlockMax2D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+private:
+  BlockLatticeF2D<T,DESCRIPTOR>& _f;
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockMax2D(BlockLatticeF2D<T,DESCRIPTOR>& f, BlockGeometry2D<T>& blockGeometry,
+             int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// BlockSum2D sums over all cells of a certain material number
+template <typename T, typename DESCRIPTOR>
+class BlockSum2D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+private:
+  BlockLatticeF2D<T,DESCRIPTOR>& _f;
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockSum2D(BlockLatticeF2D<T,DESCRIPTOR>& f, BlockGeometry2D<T>& blockGeometry,
+             int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// BlockIntegral2D
+template <typename T, typename DESCRIPTOR>
+class BlockIntegral2D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+private:
+  BlockLatticeF2D<T,DESCRIPTOR>& _f;
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockIntegral2D(BlockLatticeF2D<T,DESCRIPTOR>& f,
+                  BlockGeometry2D<T>& blockGeometry, int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// BlockL1Norm2D returns componentwise the l1 norm
+template <typename T, typename DESCRIPTOR>
+class BlockL1Norm2D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+private:
+  BlockLatticeF2D<T,DESCRIPTOR>& _f;
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockL1Norm2D(BlockLatticeF2D<T,DESCRIPTOR>& f,
+                BlockGeometry2D<T>& blockGeometry, int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// BlockL222D returns componentwise the squared l2-norm
+template <typename T, typename DESCRIPTOR>
+class BlockL222D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+private:
+  BlockLatticeF2D<T,DESCRIPTOR>& _f;
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockL222D(BlockLatticeF2D<T,DESCRIPTOR>& f, BlockGeometry2D<T>& blockGeometry,
+             int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// functor counts to get the discrete surface for a material no. in direction (1,0,0), (0,1,0), (0,0,1), (-1,0,0), (0,-1,0), (0,0,-1) and total surface, then it converts it into phys units
+template <typename T>
+class BlockGeometryFaces2D final : public GenericF<T,int> {
+private:
+  BlockGeometryStructure2D<T>& _blockGeometry;
+  int _material;
+  T _latticeL;
+public:
+  template<typename DESCRIPTOR>
+  BlockGeometryFaces2D(BlockGeometryStructure2D<T>& blockGeometry, int material, const UnitConverter<T,DESCRIPTOR>& converter);
+  BlockGeometryFaces2D(BlockGeometryStructure2D<T>& blockGeometry, int material, T latticeL);
+  bool operator() (T output[], const int input[]) override;
+};
+
+/// functor counts to get the discrete surface for a smooth indicator circle in direction (1,0,0), (0,1,0), (0,0,1), (-1,0,0), (0,-1,0), (0,0,-1)
+/// and total surface, then it converts it into phys units
+template <typename T, bool HLBM=false>
+class BlockGeometryFacesIndicator2D final : public GenericF<T,int> {
+private:
+  BlockGeometryStructure2D<T>& _blockGeometry;
+  SmoothIndicatorF2D<T,T>& _indicator;
+  int _material;
+  T _latticeL;
+public:
+  BlockGeometryFacesIndicator2D(BlockGeometryStructure2D<T>& blockGeometry, SmoothIndicatorF2D<T,T,HLBM>& indicator,
+                                int material, T deltaX);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+
+/** functor to get pointwise phys force acting on a boundary with a given
+ *  material on local lattice, if globIC is not on
+ *  the local processor, the returned vector is empty
+ */
+template <typename T, typename DESCRIPTOR>
+class BlockLatticePhysDrag2D final : public BlockLatticePhysF2D<T,DESCRIPTOR> {
+private:
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockLatticePhysDrag2D(BlockLattice2D<T,DESCRIPTOR>& blockLattice,
+                         BlockGeometry2D<T>& blockGeometry, int material,
+                         const UnitConverter<T,DESCRIPTOR>& converter);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/** functor to get pointwise phys force acting on a boundary with a given
+ *  material on local lattice, if globIC is not on
+ *  the local processor, the returned vector is empty
+ *  see: Caiazzo, Junk: Boundary Forces in lattice Boltzmann: Analysis of MEA
+ */
+template <typename T, typename DESCRIPTOR>
+class BlockLatticePhysCorrDrag2D final : public BlockLatticePhysF2D<T,DESCRIPTOR> {
+private:
+  BlockGeometry2D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockLatticePhysCorrDrag2D(BlockLattice2D<T,DESCRIPTOR>& blockLattice,
+                             BlockGeometry2D<T>& blockGeometry, int material,
+                             const UnitConverter<T,DESCRIPTOR>& converter);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+
+
+} // end namespace olb
+
+#endif