00c7905afb
This keeps the old name around but prepares it for removal in the next release.
116 lines
4.1 KiB
C++
116 lines
4.1 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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// 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/DotProduct.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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T normalizedVector(T v)
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{
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T vN = vtkm::Normal(v);
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return vN;
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}
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template <typename T>
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void createVectors(std::vector<vtkm::Vec<T, 3>>& vecs1,
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std::vector<vtkm::Vec<T, 3>>& vecs2,
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std::vector<T>& result)
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{
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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result.push_back(1);
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(-1), T(0), T(0))));
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result.push_back(-1);
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(0), T(1), T(0))));
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result.push_back(0);
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(0), T(-1), T(0))));
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result.push_back(0);
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(1), T(1), T(0))));
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result.push_back(T(1.0 / vtkm::Sqrt(2.0)));
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(1), T(1), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(1), T(0), T(0))));
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result.push_back(T(1.0 / vtkm::Sqrt(2.0)));
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(-1), T(0), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(1), T(1), T(0))));
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result.push_back(-T(1.0 / vtkm::Sqrt(2.0)));
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vecs1.push_back(normalizedVector(vtkm::make_Vec(T(0), T(1), T(0))));
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vecs2.push_back(normalizedVector(vtkm::make_Vec(T(1), T(1), T(0))));
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result.push_back(T(1.0 / vtkm::Sqrt(2.0)));
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}
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template <typename T>
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void TestDotProduct()
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{
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std::vector<vtkm::Vec<T, 3>> inputVecs1, inputVecs2;
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std::vector<T> answer;
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createVectors(inputVecs1, inputVecs2, answer);
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vtkm::cont::ArrayHandle<vtkm::Vec<T, 3>> inputArray1, inputArray2;
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vtkm::cont::ArrayHandle<T> outputArray;
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inputArray1 = vtkm::cont::make_ArrayHandle(inputVecs1);
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inputArray2 = vtkm::cont::make_ArrayHandle(inputVecs2);
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vtkm::worklet::DotProduct dotProductWorklet;
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vtkm::worklet::DispatcherMapField<vtkm::worklet::DotProduct> dispatcherDotProduct(
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dotProductWorklet);
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dispatcherDotProduct.Invoke(inputArray1, inputArray2, outputArray);
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VTKM_TEST_ASSERT(outputArray.GetNumberOfValues() == inputArray1.GetNumberOfValues(),
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"Wrong number of results for DotProduct worklet");
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for (vtkm::Id i = 0; i < inputArray1.GetNumberOfValues(); i++)
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{
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vtkm::Vec<T, 3> v1 = inputArray1.GetPortalConstControl().Get(i);
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vtkm::Vec<T, 3> v2 = inputArray2.GetPortalConstControl().Get(i);
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T ans = answer[static_cast<std::size_t>(i)];
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VTKM_TEST_ASSERT(test_equal(ans, vtkm::Dot(v1, v2)), "Wrong result for dot product");
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}
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}
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void TestDotProductWorklets()
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{
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std::cout << "Testing DotProduct Worklet" << std::endl;
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TestDotProduct<vtkm::Float32>();
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// TestDotProduct<vtkm::Float64>();
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}
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}
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int UnitTestDotProduct(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(TestDotProductWorklets);
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}
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