Initialize at openlb-1-3

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diff --git a/src/functors/lattice/blockLatticeIntegralF3D.h b/src/functors/lattice/blockLatticeIntegralF3D.h
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+++ b/src/functors/lattice/blockLatticeIntegralF3D.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2012-2017 Lukas Baron, Mathias J. Krause,
+ *  Albert Mink, 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 BLOCK_LATTICE_INTEGRAL_F_3D_H
+#define BLOCK_LATTICE_INTEGRAL_F_3D_H
+
+#include "functors/genericF.h"
+#include "blockBaseF3D.h"
+#include "geometry/blockGeometry3D.h"
+#include "blockLatticeLocalF3D.h"
+#include "blockGeometryFaces3D.h"
+#include "integral/blockIntegralF3D.h"
+#include "indicator/blockIndicatorBaseF3D.h"
+#include "functors/analytical/indicator/smoothIndicatorBaseF3D.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 BlockLattice3D;
+template<typename T> class BlockIndicatorF3D;
+template<typename T, typename DESCRIPTOR> class BlockLattice3D;
+
+/// BlockL1Norm3D returns componentwise the l1 norm
+template <typename T, typename DESCRIPTOR>
+class BlockL1Norm3D final : public BlockLatticeF3D<T,DESCRIPTOR> {
+protected:
+  BlockLatticeF3D<T,DESCRIPTOR>& _f;
+  BlockGeometry3D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockL1Norm3D(BlockLatticeF3D<T,DESCRIPTOR>& f, BlockGeometry3D<T>& blockGeometry, int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// BlockL223D returns componentwise the squared l2-norm
+template <typename T, typename DESCRIPTOR>
+class BlockL223D final : public BlockLatticeF3D<T,DESCRIPTOR> {
+protected:
+  BlockLatticeF3D<T,DESCRIPTOR>& _f;
+  BlockGeometry3D<T>& _blockGeometry;
+  int _material;
+public:
+  BlockL223D(BlockLatticeF3D<T,DESCRIPTOR>& f,
+             BlockGeometry3D<T>& blockGeometry,
+             int material);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// functor to get pointwise phys force acting on a indicated boundary on local lattice
+template <typename T, typename DESCRIPTOR>
+class BlockLatticePhysDrag3D final : public BlockLatticePhysF3D<T,DESCRIPTOR> {
+private:
+  BlockIndicatorF3D<T>&                         _indicatorF;
+  BlockGeometryFaces3D<T>                       _facesF;
+  BlockLatticePhysBoundaryForce3D<T,DESCRIPTOR> _pBoundForceF;
+  BlockSum3D<T>                                 _sumF;
+
+  const T _factor;
+public:
+  BlockLatticePhysDrag3D(BlockLatticeStructure3D<T,DESCRIPTOR>& blockLattice,
+                         BlockIndicatorF3D<T>&                  indicatorF,
+                         const UnitConverter<T,DESCRIPTOR>&     converter);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// functor to get pointwise phys force acting on a indicated boundary on local lattice
+/**
+ *  see: Caiazzo, Junk: Boundary Forces in lattice Boltzmann: Analysis of MEA
+ */
+template <typename T, typename DESCRIPTOR>
+class BlockLatticePhysCorrDrag3D final : public BlockLatticePhysF3D<T,DESCRIPTOR> {
+private:
+  BlockIndicatorF3D<T>&                             _indicatorF;
+  BlockGeometryFaces3D<T>                           _facesF;
+  BlockLatticePhysCorrBoundaryForce3D<T,DESCRIPTOR> _pBoundForceF;
+  BlockSum3D<T>                                     _sumF;
+
+  const T _factor;
+public:
+  BlockLatticePhysCorrDrag3D(BlockLatticeStructure3D<T,DESCRIPTOR>& blockLattice,
+                             BlockIndicatorF3D<T>&                  indicatorF,
+                             const UnitConverter<T,DESCRIPTOR>&     converter);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+} // end namespace olb
+
+#endif