mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
b2b075f047
Previously, each device adapter implementation had their own version of these tests by including a common header. Simplify this by making a single test in UnitTests_vtkm_cont_testing for each, which can now be compiled for and tested on a device.
161 lines
5.1 KiB
C++
161 lines
5.1 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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//
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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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#include <vtkm/cont/ArrayCopy.h>
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#include <vtkm/cont/CellSetSingleType.h>
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#include <vtkm/cont/DataSet.h>
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#include <vtkm/cont/DataSetBuilderExplicit.h>
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#include <vtkm/cont/Invoker.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/filter/field_conversion/worklet/CellAverage.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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namespace
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{
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//simple functor that returns the average point value as a cell field
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class CellAverage : public vtkm::worklet::WorkletVisitCellsWithPoints
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{
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public:
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using ControlSignature = void(CellSetIn cellset, FieldInPoint inPoints, FieldOutCell outCells);
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using ExecutionSignature = void(PointCount, _2, _3);
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using InputDomain = _1;
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template <typename PointValueVecType, typename OutType>
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VTKM_EXEC void operator()(const vtkm::IdComponent& numPoints,
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const PointValueVecType& pointValues,
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OutType& average) const
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{
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average = OutType(pointValues[0]);
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for (vtkm::IdComponent pointIndex = 1; pointIndex < numPoints; ++pointIndex)
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{
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average = average + pointValues[pointIndex];
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}
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average = static_cast<OutType>(average * (1.0 / numPoints));
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}
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};
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template <typename T, typename Storage>
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bool TestArrayHandle(const vtkm::cont::ArrayHandle<T, Storage>& ah,
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const T* expected,
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vtkm::Id size)
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{
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if (size != ah.GetNumberOfValues())
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{
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return false;
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}
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auto portal = ah.ReadPortal();
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for (vtkm::Id i = 0; i < size; ++i)
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{
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if (portal.Get(i) != expected[i])
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{
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return false;
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}
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}
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return true;
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}
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inline vtkm::cont::DataSet make_SingleTypeDataSet()
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{
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using CoordType = vtkm::Vec3f_32;
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std::vector<CoordType> coordinates;
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coordinates.push_back(CoordType(0, 0, 0));
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coordinates.push_back(CoordType(1, 0, 0));
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coordinates.push_back(CoordType(1, 1, 0));
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coordinates.push_back(CoordType(2, 1, 0));
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coordinates.push_back(CoordType(2, 2, 0));
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std::vector<vtkm::Id> conn;
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// First Cell
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conn.push_back(0);
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conn.push_back(1);
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conn.push_back(2);
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// Second Cell
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conn.push_back(1);
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conn.push_back(2);
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conn.push_back(3);
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// Third Cell
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conn.push_back(2);
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conn.push_back(3);
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conn.push_back(4);
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vtkm::cont::DataSet ds;
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vtkm::cont::DataSetBuilderExplicit builder;
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ds = builder.Create(coordinates, vtkm::CellShapeTagTriangle(), 3, conn);
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//Set point scalar
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const int nVerts = 5;
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vtkm::Float32 vars[nVerts] = { 10.1f, 20.1f, 30.2f, 40.2f, 50.3f };
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ds.AddPointField("pointvar", vars, nVerts);
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return ds;
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}
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void TestDataSet_SingleType()
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{
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vtkm::cont::Invoker invoke;
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vtkm::cont::DataSet dataSet = make_SingleTypeDataSet();
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//verify that we can get a CellSetSingleType from a dataset
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vtkm::cont::CellSetSingleType<> cellset;
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dataSet.GetCellSet().AsCellSet(cellset);
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//verify that the point to cell connectivity types are correct
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vtkm::cont::ArrayHandleConstant<vtkm::UInt8> shapesPointToCell =
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cellset.GetShapesArray(vtkm::TopologyElementTagCell(), vtkm::TopologyElementTagPoint());
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vtkm::cont::ArrayHandle<vtkm::Id> connPointToCell =
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cellset.GetConnectivityArray(vtkm::TopologyElementTagCell(), vtkm::TopologyElementTagPoint());
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VTKM_TEST_ASSERT(shapesPointToCell.GetNumberOfValues() == 3, "Wrong number of shapes");
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VTKM_TEST_ASSERT(connPointToCell.GetNumberOfValues() == 9, "Wrong connectivity length");
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//verify that the cell to point connectivity types are correct
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//note the handle storage types differ compared to point to cell
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vtkm::cont::ArrayHandleConstant<vtkm::UInt8> shapesCellToPoint =
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cellset.GetShapesArray(vtkm::TopologyElementTagPoint(), vtkm::TopologyElementTagCell());
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vtkm::cont::ArrayHandle<vtkm::Id> connCellToPoint =
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cellset.GetConnectivityArray(vtkm::TopologyElementTagPoint(), vtkm::TopologyElementTagCell());
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VTKM_TEST_ASSERT(shapesCellToPoint.GetNumberOfValues() == 5, "Wrong number of shapes");
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VTKM_TEST_ASSERT(connCellToPoint.GetNumberOfValues() == 9, "Wrong connectivity length");
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//run a basic for-each topology algorithm on this
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vtkm::cont::ArrayHandle<vtkm::Float32> input;
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vtkm::cont::ArrayCopyShallowIfPossible(dataSet.GetField("pointvar").GetData(), input);
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vtkm::cont::ArrayHandle<vtkm::Float32> result;
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invoke(CellAverage{}, cellset, input, result);
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vtkm::Float32 expected[3] = { 20.1333f, 30.1667f, 40.2333f };
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auto portal = result.ReadPortal();
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for (int i = 0; i < 3; ++i)
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{
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VTKM_TEST_ASSERT(test_equal(portal.Get(i), expected[i]),
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"Wrong result for CellAverage worklet on explicit single type cellset data");
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}
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}
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VTKM_CONT void Run()
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{
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TestDataSet_SingleType();
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}
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} // anonymous namespace
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int UnitTestDataSetSingleType(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(Run, argc, argv);
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}
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