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/blockCalcF3D.h | 97 +++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 src/functors/lattice/blockCalcF3D.h

(limited to 'src/functors/lattice/blockCalcF3D.h')

diff --git a/src/functors/lattice/blockCalcF3D.h b/src/functors/lattice/blockCalcF3D.h
new file mode 100644
index 0000000..9d3ebcf
--- /dev/null
+++ b/src/functors/lattice/blockCalcF3D.h
@@ -0,0 +1,97 @@
+/*  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_CALC_F_3D_H
+#define BLOCK_CALC_F_3D_H
+
+#include "utilities/arithmetic.h"
+#include "blockBaseF3D.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 {
+
+
+/// Block level arithmetic operations for BlockF3D functors
+/**
+ * \tparam F Function object defining the arithmetic operation to be perfomed
+ *         e.g. std::minus for substraction
+ *
+ * Functors BlockCalcF3D<T,F>::_f and BlockCalcF3D<T,F>::_f are stored as GenericF<T,int>
+ * references to support arithmetic operations between block and super functors. For
+ * details see BlockCalcF3D<T,F>::operator().
+ **/
+template <typename T, template<typename> class F>
+class BlockCalcF3D : public BlockF3D<T> {
+protected:
+  GenericF<T,int>& _f;
+  GenericF<T,int>& _g;
+
+  /// Optional global cuboid ID for mixed super / block usage
+  const int  _glob;
+  const bool _fIsBlock;
+  const bool _gIsBlock;
+public:
+  BlockCalcF3D(BlockF3D<T>& f, BlockF3D<T>& g);
+
+  /**
+   * \param f    Block functor
+   * \param g    Generic functor to be restricted to block level
+   * \param glob Global cuboid ID to be used to prefix calls to g
+   **/
+  BlockCalcF3D(BlockF3D<T>& f, GenericF<T,int>& g, int glob);
+
+  /**
+   * \param f    Generic functor to be restricted to block level
+   * \param glob Global cuboid ID to be used to prefix calls to f
+   * \param g    Block functor
+   **/
+  BlockCalcF3D(GenericF<T,int>& f, int glob, BlockF3D<T>& g);
+
+  bool operator() (T output[], const int input[]) override;
+};
+
+/// Block level addition functor (T==bool: Union)
+template <typename T>
+using BlockCalcPlus3D = BlockCalcF3D<T,util::plus>;
+
+/// Block level subtraction functor (T==bool: Without)
+template <typename T>
+using BlockCalcMinus3D = BlockCalcF3D<T,util::minus>;
+
+/// Block level multiplication functor (T==bool: Intersection)
+template <typename T>
+using BlockCalcMultiplication3D = BlockCalcF3D<T,util::multiplies>;
+
+/// Block level division functor
+template <typename T>
+using BlockCalcDivision3D = BlockCalcF3D<T,util::divides>;
+
+
+} // end namespace olb
+
+#endif
-- 
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