b8febd1c01
The Invoke of the topology dispatcher is also changed to expect a concrete cell set (which the DynamicCellSet is automatically cast to) rather than a connectivity structure. The dispatcher calls the GetNodeToCellConnectivity method for you. (That is currently the only one supported.)
235 lines
8.6 KiB
C++
235 lines
8.6 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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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/exec/TopologyData.h>
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#include <vtkm/exec/arg/TopologyIdSet.h>
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#include <vtkm/exec/arg/TopologyIdCount.h>
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#include <vtkm/exec/arg/TopologyElementType.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/cont/testing/MakeTestDataSet.h>
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namespace test_regular {
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class MaxNodeOrCellValue : public vtkm::worklet::WorkletMapTopology
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{
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static const int LEN_IDS = 4;
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public:
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typedef void ControlSignature(FieldDestIn<Scalar> inCells,
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FieldSrcIn<Scalar> inNodes,
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TopologyIn<LEN_IDS> topology,
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FieldDestOut<Scalar> outCells);
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//Todo: we need a way to mark what control signature item each execution signature for topology comes from
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typedef void ExecutionSignature(_1, _4, _2,
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vtkm::exec::arg::TopologyIdCount,
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vtkm::exec::arg::TopologyElementType,
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vtkm::exec::arg::TopologyIdSet);
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typedef _3 InputDomain;
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VTKM_CONT_EXPORT
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MaxNodeOrCellValue() { };
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template<typename T>
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VTKM_EXEC_EXPORT
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void operator()(const T &cellval,
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T& max_value,
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const vtkm::exec::TopologyData<T,LEN_IDS> &nodevals,
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const vtkm::Id &count,
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const vtkm::Id & vtkmNotUsed(type),
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const vtkm::exec::TopologyData<vtkm::Id,LEN_IDS> & vtkmNotUsed(nodeIDs)) const
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{
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//simple functor that returns the max of CellValue and nodeValue
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max_value = cellval;
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for (vtkm::IdComponent i=0; i< count; ++i)
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{
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max_value = nodevals[i] > max_value ? nodevals[i] : max_value;
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}
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}
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template<typename T1, typename T2, typename T3>
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VTKM_EXEC_EXPORT
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void operator()(const T1 &,
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T2 &,
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const vtkm::exec::TopologyData<T3,LEN_IDS> &,
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const vtkm::Id &,
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const vtkm::Id &,
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const vtkm::exec::TopologyData<vtkm::Id,LEN_IDS> &) const
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{
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this->RaiseError("Cannot call this worklet with different types.");
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}
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};
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class AvgNodeToCellValue : public vtkm::worklet::WorkletMapTopology
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{
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static const int LEN_IDS = 4;
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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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_3,
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vtkm::exec::arg::TopologyIdCount);
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typedef _2 InputDomain;
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VTKM_CONT_EXPORT
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AvgNodeToCellValue() { };
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template<typename T>
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VTKM_EXEC_EXPORT
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void operator()(const vtkm::exec::TopologyData<T,LEN_IDS> &nodevals,
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T& avgVal,
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const vtkm::Id &count) const
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{
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//simple functor that returns the average nodeValue.
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avgVal = nodevals[0];
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for (vtkm::IdComponent i=1; i<count; ++i)
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{
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avgVal += nodevals[i];
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}
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avgVal = avgVal / count;
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}
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template<typename T1, typename T2>
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VTKM_EXEC_EXPORT
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void operator()(const T1 &, T2 &, const vtkm::Id &) const
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{
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this->RaiseError("Cannot call this worklet with different types.");
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}
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};
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}
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namespace {
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static void TestMaxNodeOrCell();
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static void TestAvgNodeToCell();
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void TestWorkletMapTopologyRegular()
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{
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typedef vtkm::cont::internal::DeviceAdapterTraits<
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VTKM_DEFAULT_DEVICE_ADAPTER_TAG> DeviceAdapterTraits;
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std::cout << "Testing Topology Worklet ( Regular ) on device adapter: "
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<< DeviceAdapterTraits::GetId() << std::endl;
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TestMaxNodeOrCell();
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TestAvgNodeToCell();
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}
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static void
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TestMaxNodeOrCell()
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{
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std::cout<<"Testing MaxNodeOfCell worklet"<<std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make2DRegularDataSet0();
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//Run a worklet to populate a cell centered field.
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//Here, we're filling it with test values.
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vtkm::cont::Field f("outcellvar",
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1,
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vtkm::cont::Field::ASSOC_CELL_SET,
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std::string("cells"),
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vtkm::Float32());
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dataSet.AddField(f);
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VTKM_TEST_ASSERT(test_equal(dataSet.GetNumberOfCellSets(), 1),
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"Incorrect number of cell sets");
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VTKM_TEST_ASSERT(test_equal(dataSet.GetNumberOfFields(), 5),
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"Incorrect number of fields");
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vtkm::worklet::DispatcherMapTopology< ::test_regular::MaxNodeOrCellValue > dispatcher;
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dispatcher.Invoke(dataSet.GetField("cellvar").GetData(),
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dataSet.GetField("nodevar").GetData(),
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// We know that the cell set is a structured 2D grid and
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// The worklet does not work with general types because
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// of the way we get cell indices. We need to make that
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// part more flexible.
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dataSet.GetCellSet(0).ResetCellSetList(
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vtkm::cont::CellSetListTagStructured2D()),
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dataSet.GetField(4).GetData());
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//make sure we got the right answer.
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vtkm::cont::ArrayHandle<vtkm::Float32> res;
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res = dataSet.GetField(4).GetData().CastToArrayHandle(vtkm::Float32(),
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VTKM_DEFAULT_STORAGE_TAG());
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VTKM_TEST_ASSERT(test_equal(res.GetPortalConstControl().Get(0), 100.1f),
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"Wrong result for MaxNodeOrCell worklet");
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VTKM_TEST_ASSERT(test_equal(res.GetPortalConstControl().Get(1), 200.1f),
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"Wrong result for MaxNodeOrCell worklet");
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}
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static void
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TestAvgNodeToCell()
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{
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std::cout<<"Testing AvgNodeToCell worklet"<<std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make2DRegularDataSet0();
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//Run a worklet to populate a cell centered field.
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//Here, we're filling it with test values.
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vtkm::cont::Field f("outcellvar",
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1,
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vtkm::cont::Field::ASSOC_CELL_SET,
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std::string("cells"),
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vtkm::Float32());
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dataSet.AddField(f);
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VTKM_TEST_ASSERT(test_equal(dataSet.GetNumberOfCellSets(), 1),
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"Incorrect number of cell sets");
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VTKM_TEST_ASSERT(test_equal(dataSet.GetNumberOfFields(), 5),
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"Incorrect number of fields");
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vtkm::worklet::DispatcherMapTopology< ::test_regular::AvgNodeToCellValue > dispatcher;
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dispatcher.Invoke(dataSet.GetField("nodevar").GetData(),
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// We know that the cell set is a structured 2D grid and
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// The worklet does not work with general types because
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// of the way we get cell indices. We need to make that
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// part more flexible.
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dataSet.GetCellSet(0).ResetCellSetList(
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vtkm::cont::CellSetListTagStructured2D()),
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dataSet.GetField("outcellvar").GetData());
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//make sure we got the right answer.
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vtkm::cont::ArrayHandle<vtkm::Float32> res;
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res = dataSet.GetField(4).GetData().CastToArrayHandle(vtkm::Float32(),
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VTKM_DEFAULT_STORAGE_TAG());
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VTKM_TEST_ASSERT(test_equal(res.GetPortalConstControl().Get(0), 30.1f),
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"Wrong result for NodeToCellAverage worklet");
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VTKM_TEST_ASSERT(test_equal(res.GetPortalConstControl().Get(1), 40.1f),
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"Wrong result for NodeToCellAverage worklet");
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}
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} // anonymous namespace
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int UnitTestWorkletMapTopologyRegular(int, char *[])
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{
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return vtkm::cont::testing::Testing::Run(TestWorkletMapTopologyRegular);
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}
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