From 94d3e79a8617f88dc0219cfdeedfa3147833719d Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Mon, 24 Jun 2019 14:43:36 +0200
Subject: Initialize at openlb-1-3

---
 src/functors/lattice/reductionF2D.h | 84 +++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/functors/lattice/reductionF2D.h

(limited to 'src/functors/lattice/reductionF2D.h')

diff --git a/src/functors/lattice/reductionF2D.h b/src/functors/lattice/reductionF2D.h
new file mode 100644
index 0000000..e7d338c
--- /dev/null
+++ b/src/functors/lattice/reductionF2D.h
@@ -0,0 +1,84 @@
+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2012 Lukas Baron, Tim Dornieden, 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 REDUCTION_F_2D_H
+#define REDUCTION_F_2D_H
+
+#include "functors/analytical/analyticalF.h"
+#include "superBaseF2D.h"
+#include "geometry/superGeometry2D.h"
+#include "geometry/cuboidGeometry2D.h"
+
+namespace olb {
+
+
+template< typename T, typename DESCRIPTOR> class SuperLattice2D;
+
+/// Functor used to convert analytical functions to lattice functions
+/**
+ *  Input functions are interpreted as SI->SI units, the resulting lattice
+ *  function will map lattice->lattice units
+ *
+ *  Maintains block level BlockLatticeFfromAnalyticalF2D functors.
+ */
+template <typename T, typename DESCRIPTOR>
+class SuperLatticeFfromAnalyticalF2D final : public SuperLatticeF2D<T,DESCRIPTOR> {
+protected:
+  FunctorPtr<AnalyticalF2D<T,T>> _f;
+public:
+  /**
+   * \param f        Analytical functor to be converted into a lattice functor
+   * \param sLattice DESCRIPTOR reference required for conversion and block functor construction
+   **/
+  SuperLatticeFfromAnalyticalF2D(FunctorPtr<AnalyticalF2D<T,T>>&& f,
+                                 SuperLattice2D<T,DESCRIPTOR>&    sLattice);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+/// Block level functor for conversion of analytical to lattice functors.
+/**
+ * Instances are contained in SuperLatticeFfromAnalyticalF2D::_blockF.
+ **/
+template <typename T, typename DESCRIPTOR>
+class BlockLatticeFfromAnalyticalF2D final : public BlockLatticeF2D<T,DESCRIPTOR> {
+protected:
+  AnalyticalF2D<T,T>& _f;
+  Cuboid2D<T>&        _cuboid;
+public:
+  /**
+   * \param f       Analytical functor to be converted into a lattice functor
+   * \param lattice Block lattice structure required for BlockLatticeF2D construction
+   * \param cuboid  Cuboid reference required for input parameter conversion
+   **/
+  BlockLatticeFfromAnalyticalF2D(AnalyticalF2D<T,T>&                    f,
+                                 BlockLatticeStructure2D<T,DESCRIPTOR>& lattice,
+                                 Cuboid2D<T>&                           cuboid);
+  bool operator() (T output[], const int input[]) override;
+};
+
+
+} // end namespace olb
+
+#endif
-- 
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