3886b7dfb8
See #408 for details.
191 lines
7.5 KiB
C++
191 lines
7.5 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/CellSetExplicit.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/worklet/DispatcherMapTopology.h>
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#include <vtkm/worklet/WorkletMapTopology.h>
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namespace
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{
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using CellTag = vtkm::TopologyElementTagCell;
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using PointTag = vtkm::TopologyElementTagPoint;
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const vtkm::Id numberOfPoints = 11;
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const vtkm::UInt8 g_shapes[] = { static_cast<vtkm::UInt8>(vtkm::CELL_SHAPE_HEXAHEDRON),
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static_cast<vtkm::UInt8>(vtkm::CELL_SHAPE_PYRAMID),
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static_cast<vtkm::UInt8>(vtkm::CELL_SHAPE_TETRA),
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static_cast<vtkm::UInt8>(vtkm::CELL_SHAPE_WEDGE) };
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const vtkm::UInt8 g_shapes2[] = { g_shapes[1], g_shapes[2] };
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const vtkm::Id g_offsets[] = { 0, 8, 13, 17, 23 };
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const vtkm::Id g_offsets2[] = { 0, 5, 9 };
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const vtkm::Id g_connectivity[] = { 0, 1, 5, 4, 3, 2, 6, 7, 1, 5, 6, 2,
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8, 5, 8, 10, 6, 4, 7, 9, 5, 6, 10 };
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const vtkm::Id g_connectivity2[] = { 1, 5, 6, 2, 8, 5, 8, 10, 6 };
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template <typename T, std::size_t Length>
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vtkm::Id ArrayLength(const T (&)[Length])
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{
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return static_cast<vtkm::Id>(Length);
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}
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// all points are part of atleast 1 cell
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vtkm::cont::CellSetExplicit<> MakeTestCellSet1()
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{
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vtkm::cont::CellSetExplicit<> cs;
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cs.Fill(numberOfPoints,
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vtkm::cont::make_ArrayHandle(g_shapes, ArrayLength(g_shapes)),
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vtkm::cont::make_ArrayHandle(g_connectivity, ArrayLength(g_connectivity)),
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vtkm::cont::make_ArrayHandle(g_offsets, ArrayLength(g_offsets)));
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return cs;
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}
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// some points are not part of any cell
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vtkm::cont::CellSetExplicit<> MakeTestCellSet2()
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{
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vtkm::cont::CellSetExplicit<> cs;
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cs.Fill(numberOfPoints,
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vtkm::cont::make_ArrayHandle(g_shapes2, ArrayLength(g_shapes2)),
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vtkm::cont::make_ArrayHandle(g_connectivity2, ArrayLength(g_connectivity2)),
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vtkm::cont::make_ArrayHandle(g_offsets2, ArrayLength(g_offsets2)));
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return cs;
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}
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struct WorkletPointToCell : public vtkm::worklet::WorkletVisitCellsWithPoints
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{
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using ControlSignature = void(CellSetIn cellset, FieldOutCell numPoints);
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using ExecutionSignature = void(PointIndices, _2);
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using InputDomain = _1;
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template <typename PointIndicesType>
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VTKM_EXEC void operator()(const PointIndicesType& pointIndices, vtkm::Id& numPoints) const
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{
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numPoints = pointIndices.GetNumberOfComponents();
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}
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};
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struct WorkletCellToPoint : public vtkm::worklet::WorkletVisitPointsWithCells
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{
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using ControlSignature = void(CellSetIn cellset, FieldOutPoint numCells);
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using ExecutionSignature = void(CellIndices, _2);
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using InputDomain = _1;
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template <typename CellIndicesType>
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VTKM_EXEC void operator()(const CellIndicesType& cellIndices, vtkm::Id& numCells) const
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{
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numCells = cellIndices.GetNumberOfComponents();
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}
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};
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void TestCellSetExplicit()
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{
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vtkm::cont::CellSetExplicit<> cellset;
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vtkm::cont::ArrayHandle<vtkm::Id> result;
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std::cout << "----------------------------------------------------\n";
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std::cout << "Testing Case 1 (all points are part of atleast 1 cell): \n";
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cellset = MakeTestCellSet1();
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std::cout << "\tTesting PointToCell\n";
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vtkm::worklet::DispatcherMapTopology<WorkletPointToCell>().Invoke(cellset, result);
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VTKM_TEST_ASSERT(result.GetNumberOfValues() == cellset.GetNumberOfCells(),
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"result length not equal to number of cells");
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for (vtkm::Id i = 0; i < result.GetNumberOfValues(); ++i)
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{
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VTKM_TEST_ASSERT(result.GetPortalConstControl().Get(i) == cellset.GetNumberOfPointsInCell(i),
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"incorrect result");
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}
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std::cout << "\tTesting CellToPoint\n";
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vtkm::worklet::DispatcherMapTopology<WorkletCellToPoint>().Invoke(cellset, result);
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VTKM_TEST_ASSERT(result.GetNumberOfValues() == cellset.GetNumberOfPoints(),
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"result length not equal to number of points");
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vtkm::Id expected1[] = { 1, 2, 2, 1, 2, 4, 4, 2, 2, 1, 2 };
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for (vtkm::Id i = 0; i < result.GetNumberOfValues(); ++i)
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{
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VTKM_TEST_ASSERT(result.GetPortalConstControl().Get(i) == expected1[i], "incorrect result");
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}
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std::cout << "----------------------------------------------------\n";
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std::cout << "Testing Case 2 (some points are not part of any cell): \n";
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cellset = MakeTestCellSet2();
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std::cout << "\tTesting PointToCell\n";
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vtkm::worklet::DispatcherMapTopology<WorkletPointToCell>().Invoke(cellset, result);
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VTKM_TEST_ASSERT(result.GetNumberOfValues() == cellset.GetNumberOfCells(),
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"result length not equal to number of cells");
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for (vtkm::Id i = 0; i < result.GetNumberOfValues(); ++i)
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{
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VTKM_TEST_ASSERT(result.GetPortalConstControl().Get(i) == cellset.GetNumberOfPointsInCell(i),
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"incorrect result");
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}
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std::cout << "\tTesting CellToPoint\n";
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vtkm::worklet::DispatcherMapTopology<WorkletCellToPoint>().Invoke(cellset, result);
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VTKM_TEST_ASSERT(result.GetNumberOfValues() == cellset.GetNumberOfPoints(),
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"result length not equal to number of points");
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vtkm::Id expected2[] = { 0, 1, 1, 0, 0, 2, 2, 0, 2, 0, 1 };
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for (vtkm::Id i = 0; i < result.GetNumberOfValues(); ++i)
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{
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VTKM_TEST_ASSERT(
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result.GetPortalConstControl().Get(i) == expected2[i], "incorrect result at ", i);
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}
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std::cout << "----------------------------------------------------\n";
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std::cout << "General Testing: \n";
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std::cout << "\tTesting resource releasing in CellSetExplicit\n";
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cellset.ReleaseResourcesExecution();
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VTKM_TEST_ASSERT(cellset.GetNumberOfCells() == ArrayLength(g_shapes) / 2,
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"release execution resources should not change the number of cells");
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VTKM_TEST_ASSERT(cellset.GetNumberOfPoints() == ArrayLength(expected2),
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"release execution resources should not change the number of points");
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std::cout << "\tTesting CellToPoint table caching\n";
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cellset = MakeTestCellSet2();
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VTKM_TEST_ASSERT(VTKM_PASS_COMMAS(cellset.HasConnectivity(CellTag{}, PointTag{})),
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"PointToCell table missing.");
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VTKM_TEST_ASSERT(VTKM_PASS_COMMAS(!cellset.HasConnectivity(PointTag{}, CellTag{})),
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"CellToPoint table exists before PrepareForInput.");
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// Test a raw PrepareForInput call:
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cellset.PrepareForInput(vtkm::cont::DeviceAdapterTagSerial{}, PointTag{}, CellTag{});
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VTKM_TEST_ASSERT(VTKM_PASS_COMMAS(cellset.HasConnectivity(PointTag{}, CellTag{})),
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"CellToPoint table missing after PrepareForInput.");
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cellset.ResetConnectivity(PointTag{}, CellTag{});
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VTKM_TEST_ASSERT(VTKM_PASS_COMMAS(!cellset.HasConnectivity(PointTag{}, CellTag{})),
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"CellToPoint table exists after resetting.");
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// Test a PrepareForInput wrapped inside a dispatch (See #268)
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vtkm::worklet::DispatcherMapTopology<WorkletCellToPoint>().Invoke(cellset, result);
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VTKM_TEST_ASSERT(VTKM_PASS_COMMAS(cellset.HasConnectivity(PointTag{}, CellTag{})),
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"CellToPoint table missing after CellToPoint worklet exec.");
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}
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} // anonymous namespace
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int UnitTestCellSetExplicit(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestCellSetExplicit, argc, argv);
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}
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