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

---
 .../lattice/indicator/blockIndicatorF2D.hh         | 215 +++++++++++++++++++++
 1 file changed, 215 insertions(+)
 create mode 100644 src/functors/lattice/indicator/blockIndicatorF2D.hh

(limited to 'src/functors/lattice/indicator/blockIndicatorF2D.hh')

diff --git a/src/functors/lattice/indicator/blockIndicatorF2D.hh b/src/functors/lattice/indicator/blockIndicatorF2D.hh
new file mode 100644
index 0000000..8d01a6b
--- /dev/null
+++ b/src/functors/lattice/indicator/blockIndicatorF2D.hh
@@ -0,0 +1,215 @@
+/*  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 BLOCK_INDICATOR_F_2D_HH
+#define BLOCK_INDICATOR_F_2D_HH
+
+#include <algorithm>
+
+#include "blockIndicatorF2D.h"
+#include "core/util.h"
+
+namespace olb {
+
+template <typename T>
+BlockIndicatorFfromIndicatorF2D<T>::BlockIndicatorFfromIndicatorF2D(
+  IndicatorF2D<T>& indicatorF, BlockGeometryStructure2D<T>& blockGeometry)
+  : BlockIndicatorF2D<T>(blockGeometry),
+    _indicatorF(indicatorF)
+{ }
+
+template <typename T>
+bool BlockIndicatorFfromIndicatorF2D<T>::operator() (bool output[], const int input[])
+{
+  T physR[2];
+  this->_blockGeometryStructure.getPhysR(physR,input);
+  return _indicatorF(output,physR);
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorFfromIndicatorF2D<T>::getMin()
+{
+  const Vector<T,2> min = _indicatorF.getMin();
+  return Vector<int,2> {
+    static_cast<int>(floor(min[0])),
+    static_cast<int>(floor(min[1]))
+  };
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorFfromIndicatorF2D<T>::getMax()
+{
+  const Vector<T,2> max = _indicatorF.getMax();
+  return Vector<int,2> {
+    static_cast<int>(ceil(max[0])),
+    static_cast<int>(ceil(max[1]))
+  };
+}
+
+
+template <typename T, bool HLBM>
+BlockIndicatorFfromSmoothIndicatorF2D<T,HLBM>::BlockIndicatorFfromSmoothIndicatorF2D(
+  SmoothIndicatorF2D<T,T,HLBM>& indicatorF, BlockGeometryStructure2D<T>& blockGeometry)
+  : BlockIndicatorF2D<T>(blockGeometry),
+    _indicatorF(indicatorF)
+{ }
+
+template <typename T, bool HLBM>
+bool BlockIndicatorFfromSmoothIndicatorF2D<T,HLBM>::operator() (bool output[], const int input[])
+{
+  T physR[2];
+  T inside[1];
+  this->_blockGeometryStructure.getPhysR(physR,input);
+  _indicatorF(inside, physR);
+  return !util::nearZero(inside[0]);
+}
+
+template <typename T, bool HLBM>
+Vector<int,2> BlockIndicatorFfromSmoothIndicatorF2D<T,HLBM>::getMin()
+{
+  return Vector<int,2>{0,0};
+}
+
+template <typename T, bool HLBM>
+Vector<int,2> BlockIndicatorFfromSmoothIndicatorF2D<T,HLBM>::getMax()
+{
+  return this->_blockGeometryStructure.getExtend() - Vector<int,2>{1,1};
+}
+
+
+template <typename T>
+BlockIndicatorMaterial2D<T>::BlockIndicatorMaterial2D(
+  BlockGeometryStructure2D<T>& blockGeometry, std::vector<int> materials)
+  : BlockIndicatorF2D<T>(blockGeometry),
+    _materials(materials)
+{ }
+
+template <typename T>
+BlockIndicatorMaterial2D<T>::BlockIndicatorMaterial2D(
+  BlockGeometryStructure2D<T>& blockGeometry, std::list<int> materials)
+  : BlockIndicatorMaterial2D(blockGeometry,
+                             std::vector<int>(materials.begin(), materials.end()))
+{ }
+
+template <typename T>
+BlockIndicatorMaterial2D<T>::BlockIndicatorMaterial2D(
+  BlockGeometryStructure2D<T>& blockGeometry, int material)
+  : BlockIndicatorMaterial2D(blockGeometry, std::vector<int>(1,material))
+{ }
+
+template <typename T>
+bool BlockIndicatorMaterial2D<T>::operator() (bool output[], const int input[])
+{
+  // read material number explicitly using the const version
+  // of BlockGeometry2D<T>::get to avoid resetting geometry
+  // statistics:
+  const BlockGeometryStructure2D<T>& blockGeometry = this->_blockGeometryStructure;
+  const int current = blockGeometry.get(input[0], input[1]);
+  output[0] = std::any_of(_materials.cbegin(),
+                          _materials.cend(),
+                          [current](int material) { return current == material; });
+
+  return true;
+}
+
+template <typename T>
+bool BlockIndicatorMaterial2D<T>::isEmpty()
+{
+  auto& statistics = this->getBlockGeometryStructure().getStatistics();
+
+  return std::none_of(_materials.cbegin(), _materials.cend(),
+  [&statistics](int material) -> bool {
+    return statistics.getNvoxel(material) > 0;
+  });
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorMaterial2D<T>::getMin()
+{
+  auto& blockGeometry = this->getBlockGeometryStructure();
+  auto& statistics    = blockGeometry.getStatistics();
+
+  Vector<int,2> globalMin{
+    blockGeometry.getNx()-1,
+    blockGeometry.getNy()-1
+  };
+
+  for ( int material : _materials ) {
+    if ( statistics.getNvoxel(material) > 0 ) {
+      const Vector<int,2> localMin = statistics.getMinLatticeR(material);
+      for ( int d = 0; d < 2; ++d ) {
+        globalMin[d] = localMin[d] < globalMin[d] ? localMin[d] : globalMin[d];
+      }
+    }
+  }
+
+  return globalMin;
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorMaterial2D<T>::getMax()
+{
+  auto& statistics = this->getBlockGeometryStructure().getStatistics();
+
+  Vector<int,2> globalMax{ 0, 0 };
+
+  for ( int material : _materials ) {
+    if ( statistics.getNvoxel(material) > 0 ) {
+      const Vector<int,2> localMax = statistics.getMaxLatticeR(material);
+      for ( int d = 0; d < 2; ++d ) {
+        globalMax[d] = localMax[d] > globalMax[d] ? localMax[d] : globalMax[d];
+      }
+    }
+  }
+
+  return globalMax;
+}
+
+
+template <typename T>
+BlockIndicatorIdentity2D<T>::BlockIndicatorIdentity2D(BlockIndicatorF2D<T>& indicatorF)
+  : BlockIndicatorF2D<T>(indicatorF.getBlockGeometryStructure()),
+    _indicatorF(indicatorF)
+{ }
+
+template <typename T>
+bool BlockIndicatorIdentity2D<T>::operator() (bool output[], const int input[])
+{
+  return _indicatorF(output, input);
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorIdentity2D<T>::getMin()
+{
+  return _indicatorF.getMin();
+}
+
+template <typename T>
+Vector<int,2> BlockIndicatorIdentity2D<T>::getMax()
+{
+  return _indicatorF.getMax();
+}
+
+} // namespace olb
+
+#endif
-- 
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