mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
61 lines
2.1 KiB
C++
61 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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//
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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/testing/MakeTestDataSet.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vtkm/filter/VectorMagnitude.h>
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#include <vector>
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namespace
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{
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void TestVectorMagnitude()
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{
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std::cout << "Testing VectorMagnitude Filter" << std::endl;
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vtkm::cont::testing::MakeTestDataSet testDataSet;
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vtkm::cont::DataSet dataSet = testDataSet.Make3DUniformDataSet0();
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const int nVerts = 18;
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vtkm::Float64 fvars[nVerts] = { 10.1, 20.1, 30.1, 40.1, 50.2, 60.2, 70.2, 80.2, 90.3,
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100.3, 110.3, 120.3, 130.4, 140.4, 150.4, 160.4, 170.5, 180.5 };
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std::vector<vtkm::Vec3f_64> fvec(nVerts);
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for (std::size_t i = 0; i < fvec.size(); ++i)
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{
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fvec[i] = vtkm::make_Vec(fvars[i], fvars[i], fvars[i]);
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}
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vtkm::cont::ArrayHandle<vtkm::Vec3f_64> finput = vtkm::cont::make_ArrayHandle(fvec);
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vtkm::cont::DataSetFieldAdd::AddPointField(dataSet, "double_vec_pointvar", finput);
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vtkm::filter::VectorMagnitude vm;
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vm.SetActiveField("double_vec_pointvar");
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auto result = vm.Execute(dataSet);
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VTKM_TEST_ASSERT(result.HasPointField("magnitude"), "Output field missing.");
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vtkm::cont::ArrayHandle<vtkm::Float64> resultArrayHandle;
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result.GetPointField("magnitude").GetData().CopyTo(resultArrayHandle);
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for (vtkm::Id i = 0; i < resultArrayHandle.GetNumberOfValues(); ++i)
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{
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VTKM_TEST_ASSERT(
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test_equal(std::sqrt(3 * fvars[i] * fvars[i]), resultArrayHandle.ReadPortal().Get(i)),
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"Wrong result for Magnitude worklet");
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}
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}
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}
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int UnitTestVectorMagnitudeFilter(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestVectorMagnitude, argc, argv);
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}
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