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https://gitlab.kitware.com/vtk/vtk-m
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317a48d42f
The PointCount name is far more descriptive and helps readers understand what the content of the variable is.
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//
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// Copyright 2014 Sandia Corporation.
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// Copyright 2014 UT-Battelle, LLC.
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// Copyright 2014 Los Alamos National Security.
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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// the U.S. Government retains certain rights in this software.
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//
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// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
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// Laboratory (LANL), the U.S. Government retains certain rights in
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// this software.
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//============================================================================
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#ifndef vtk_m_worklet_CellAverage_h
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#define vtk_m_worklet_CellAverage_h
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#include <vtkm/worklet/WorkletMapTopology.h>
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namespace vtkm {
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namespace worklet {
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//simple functor that returns the average point value.
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class CellAverage :
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public vtkm::worklet::WorkletMapPointToCell
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{
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public:
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typedef void ControlSignature(FieldInPoint<Scalar> inPoints,
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CellSetIn cellset,
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FieldOutCell<Scalar> outCells);
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typedef void ExecutionSignature(_1, PointCount, _3);
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typedef _2 InputDomain;
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template<typename PointValueVecType, typename OutType>
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VTKM_EXEC_EXPORT
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void operator()(const PointValueVecType &pointValues,
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const vtkm::IdComponent &numPoints,
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OutType &average) const
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{
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OutType sum = static_cast<OutType>(pointValues[0]);
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for (vtkm::IdComponent pointIndex = 1; pointIndex < numPoints; ++pointIndex)
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{
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sum = sum + static_cast<OutType>(pointValues[pointIndex]);
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}
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average = sum / static_cast<OutType>(numPoints);
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}
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};
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}
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} // namespace vtkm::worklet
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#endif // vtk_m_worklet_CellAverage_h
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