mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
60 lines
1.8 KiB
C++
60 lines
1.8 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/worklet/DispatcherMapField.h>
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#include <vtkm/worklet/Magnitude.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace
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{
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void TestMagnitude()
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{
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std::cout << "Testing Magnitude Worklet" << std::endl;
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vtkm::worklet::Magnitude magnitudeWorklet;
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using ArrayReturnType = vtkm::cont::ArrayHandle<vtkm::Float64>;
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using ArrayVectorType = vtkm::cont::ArrayHandle<vtkm::Vec4i_32>;
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using PortalType = ArrayVectorType::PortalControl;
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ArrayVectorType pythagoreanTriples;
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pythagoreanTriples.Allocate(5);
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PortalType pt = pythagoreanTriples.GetPortalControl();
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pt.Set(0, vtkm::make_Vec(3, 4, 5, 0));
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pt.Set(1, vtkm::make_Vec(5, 12, 13, 0));
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pt.Set(2, vtkm::make_Vec(8, 15, 17, 0));
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pt.Set(3, vtkm::make_Vec(7, 24, 25, 0));
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pt.Set(4, vtkm::make_Vec(9, 40, 41, 0));
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vtkm::worklet::DispatcherMapField<vtkm::worklet::Magnitude> dispatcher(magnitudeWorklet);
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ArrayReturnType result;
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dispatcher.Invoke(pythagoreanTriples, result);
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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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test_equal(std::sqrt(pt.Get(i)[0] * pt.Get(i)[0] + pt.Get(i)[1] * pt.Get(i)[1] +
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pt.Get(i)[2] * pt.Get(i)[2]),
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result.GetPortalConstControl().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 UnitTestMagnitude(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestMagnitude, argc, argv);
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}
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