mirror of
https://gitlab.kitware.com/vtk/vtk-m
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66 lines
2.1 KiB
C++
66 lines
2.1 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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#include <vtkm/exec/TopologyData.h>
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#include <vtkm/exec/arg/TopologyIdCount.h>
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namespace vtkm {
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namespace worklet {
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//simple functor that returns the average nodeValue.
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class CellAverage : public vtkm::worklet::WorkletMapTopology
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{
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static const int LEN_IDS = 8;
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public:
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typedef void ControlSignature(FieldSrcIn<Scalar> inNodes,
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TopologyIn<LEN_IDS> topology,
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FieldDestOut<Scalar> outCells);
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typedef void ExecutionSignature(_1,
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vtkm::exec::arg::TopologyIdCount,
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_3);
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typedef _2 InputDomain;
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template<typename T1, typename T2>
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VTKM_EXEC_EXPORT
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void operator()(const vtkm::exec::TopologyData<T1,LEN_IDS> &nodevals,
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const vtkm::Id &count,
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T2 &average) const
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{
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T1 sum = nodevals[0];
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for (vtkm::Id i=1; i<count; ++i)
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{
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sum += nodevals[i];
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}
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average = static_cast<T2>(sum / static_cast<T1>(count));
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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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