146 lines
4.9 KiB
C++
146 lines
4.9 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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/DispatcherMapField.h>
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#include <vtkm/worklet/Normalize.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace
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{
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template <typename T>
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void createVectors(std::vector<vtkm::Vec<T, 3>>& vecs)
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{
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vecs.push_back(vtkm::make_Vec(2, 0, 0));
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vecs.push_back(vtkm::make_Vec(0, 2, 0));
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vecs.push_back(vtkm::make_Vec(0, 0, 2));
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vecs.push_back(vtkm::make_Vec(1, 1, 1));
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vecs.push_back(vtkm::make_Vec(2, 2, 2));
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vecs.push_back(vtkm::make_Vec(2, 1, 1));
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vecs.push_back(vtkm::make_Vec(1000000, 0, 0));
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vecs.push_back(vtkm::make_Vec(static_cast<T>(.1), static_cast<T>(0), static_cast<T>(0)));
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vecs.push_back(vtkm::make_Vec(static_cast<T>(.001), static_cast<T>(0), static_cast<T>(0)));
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}
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template <typename T>
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void createVectors(std::vector<vtkm::Vec<T, 2>>& vecs)
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{
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vecs.push_back(vtkm::make_Vec(1, 0));
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vecs.push_back(vtkm::make_Vec(0, 1));
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vecs.push_back(vtkm::make_Vec(1, 1));
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vecs.push_back(vtkm::make_Vec(2, 0));
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vecs.push_back(vtkm::make_Vec(0, 2));
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vecs.push_back(vtkm::make_Vec(2, 2));
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vecs.push_back(vtkm::make_Vec(1000000, 0));
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vecs.push_back(vtkm::make_Vec(static_cast<T>(.1), static_cast<T>(0)));
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vecs.push_back(vtkm::make_Vec(static_cast<T>(.001), static_cast<T>(0)));
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}
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template <typename T, int N>
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void TestNormal()
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{
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std::vector<vtkm::Vec<T, N>> inputVecs;
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createVectors(inputVecs);
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vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> inputArray;
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vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> outputArray;
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inputArray = vtkm::cont::make_ArrayHandle(inputVecs);
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vtkm::worklet::Normal normalWorklet;
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vtkm::worklet::DispatcherMapField<vtkm::worklet::Normal> dispatcherNormal(normalWorklet);
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dispatcherNormal.Invoke(inputArray, outputArray);
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//Validate results.
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//Make sure the number of values match.
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VTKM_TEST_ASSERT(outputArray.GetNumberOfValues() == inputArray.GetNumberOfValues(),
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"Wrong number of results for Normalize worklet");
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//Make sure each vector is correct.
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for (vtkm::Id i = 0; i < inputArray.GetNumberOfValues(); i++)
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{
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//Make sure that the value is correct.
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vtkm::Vec<T, N> v = inputArray.GetPortalConstControl().Get(i);
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vtkm::Vec<T, N> vN = outputArray.GetPortalConstControl().Get(i);
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T len = vtkm::Magnitude(v);
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VTKM_TEST_ASSERT(test_equal(v / len, vN), "Wrong result for Normalize worklet");
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//Make sure the magnitudes are all 1.0
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len = vtkm::Magnitude(vN);
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VTKM_TEST_ASSERT(test_equal(len, 1), "Wrong magnitude for Normalize worklet");
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}
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}
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template <typename T, int N>
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void TestNormalize()
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{
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std::vector<vtkm::Vec<T, N>> inputVecs;
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createVectors(inputVecs);
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vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> inputArray;
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vtkm::cont::ArrayHandle<vtkm::Vec<T, N>> outputArray;
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inputArray = vtkm::cont::make_ArrayHandle(inputVecs);
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vtkm::worklet::Normalize normalizeWorklet;
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vtkm::worklet::DispatcherMapField<vtkm::worklet::Normalize> dispatcherNormalize(normalizeWorklet);
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dispatcherNormalize.Invoke(inputArray);
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//Make sure each vector is correct.
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for (vtkm::Id i = 0; i < inputArray.GetNumberOfValues(); i++)
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{
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//Make sure that the value is correct.
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vtkm::Vec<T, N> v = inputVecs[static_cast<std::size_t>(i)];
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vtkm::Vec<T, N> vN = inputArray.GetPortalConstControl().Get(i);
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T len = vtkm::Magnitude(v);
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VTKM_TEST_ASSERT(test_equal(v / len, vN), "Wrong result for Normalize worklet");
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//Make sure the magnitudes are all 1.0
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len = vtkm::Magnitude(vN);
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VTKM_TEST_ASSERT(test_equal(len, 1), "Wrong magnitude for Normalize worklet");
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}
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}
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void TestNormalWorklets()
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{
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std::cout << "Testing Normal Worklet" << std::endl;
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TestNormal<vtkm::Float32, 2>();
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TestNormal<vtkm::Float64, 2>();
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TestNormal<vtkm::Float32, 3>();
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TestNormal<vtkm::Float64, 3>();
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std::cout << "Testing Normalize Worklet" << std::endl;
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TestNormalize<vtkm::Float32, 2>();
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TestNormalize<vtkm::Float64, 2>();
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TestNormalize<vtkm::Float32, 3>();
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TestNormalize<vtkm::Float64, 3>();
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}
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}
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int UnitTestNormalize(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(TestNormalWorklets);
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}
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