mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 09:59:12 +00:00
3a03c38ebf
Previously, each device adapter implementation had their own version of this test by including a common header. Simplify this by making a single test in UnitTests_vtkm_cont_testing, which can now be compiled for and tested on a device.
184 lines
6.5 KiB
C++
184 lines
6.5 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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#ifndef vtk_m_cont_testing_TestingArrayHandleMultiplexer_h
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#define vtk_m_cont_testing_TestingArrayHandleMultiplexer_h
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#include <vtkm/cont/Algorithm.h>
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#include <vtkm/cont/ArrayHandleConstant.h>
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#include <vtkm/cont/ArrayHandleCounting.h>
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#include <vtkm/cont/ArrayHandleImplicit.h>
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#include <vtkm/cont/ArrayHandleMultiplexer.h>
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/BinaryOperators.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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struct TestValueFunctor
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{
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VTKM_EXEC_CONT T operator()(vtkm::Id index) const { return TestValue(index, T()); }
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};
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constexpr vtkm::Id ARRAY_SIZE = 10;
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template <typename... Ts0, typename... Ts1>
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static void CheckArray(const vtkm::cont::ArrayHandleMultiplexer<Ts0...>& multiplexerArray,
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const vtkm::cont::ArrayHandle<Ts1...>& expectedArray)
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{
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using T = typename std::remove_reference<decltype(multiplexerArray)>::type::ValueType;
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vtkm::cont::printSummary_ArrayHandle(multiplexerArray, std::cout);
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VTKM_TEST_ASSERT(test_equal_portals(multiplexerArray.ReadPortal(), expectedArray.ReadPortal()),
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"Multiplexer array gave wrong result in control environment");
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vtkm::cont::ArrayHandle<T> copy;
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vtkm::cont::Algorithm::Copy(multiplexerArray, copy);
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VTKM_TEST_ASSERT(test_equal_portals(copy.ReadPortal(), expectedArray.ReadPortal()),
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"Multiplexer did not copy correctly in execution environment");
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}
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void BasicSwitch()
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{
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std::cout << "\n--- Basic switch" << std::endl;
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using ValueType = vtkm::FloatDefault;
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using ArrayType1 = vtkm::cont::ArrayHandleConstant<ValueType>;
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ArrayType1 array1(TestValue(0, vtkm::FloatDefault{}), ARRAY_SIZE);
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using ArrayType2 = vtkm::cont::ArrayHandleCounting<ValueType>;
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ArrayType2 array2(TestValue(1, vtkm::FloatDefault{}), 1.0f, ARRAY_SIZE);
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auto array3 = vtkm::cont::make_ArrayHandleImplicit(TestValueFunctor<ValueType>{}, ARRAY_SIZE);
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using ArrayType3 = decltype(array3);
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vtkm::cont::ArrayHandleMultiplexer<ArrayType1, ArrayType2, ArrayType3> multiplexer;
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std::cout << "Check array1" << std::endl;
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multiplexer = array1;
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CheckArray(multiplexer, array1);
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std::cout << "Check array2" << std::endl;
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multiplexer = array2;
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CheckArray(multiplexer, array2);
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std::cout << "Check array3" << std::endl;
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multiplexer = array3;
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CheckArray(multiplexer, array3);
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}
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void Reduce()
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{
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// Regression test for an issue with compiling ArrayHandleMultiplexer with the thrust reduce
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// algorithm on CUDA. Most likely related to:
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// https://github.com/thrust/thrust/issues/928
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// https://github.com/thrust/thrust/issues/1044
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std::cout << "\n--- Reduce" << std::endl;
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using ValueType = vtkm::Vec3f;
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using MultiplexerType = vtkm::cont::ArrayHandleMultiplexer<
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vtkm::cont::ArrayHandleConstant<ValueType>,
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vtkm::cont::ArrayHandleCounting<ValueType>,
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vtkm::cont::ArrayHandle<ValueType>,
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vtkm::cont::ArrayHandleUniformPointCoordinates,
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vtkm::cont::ArrayHandleCartesianProduct<vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>>>;
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MultiplexerType multiplexer =
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vtkm::cont::ArrayHandleCounting<ValueType>(vtkm::Vec3f(1), vtkm::Vec3f(1), ARRAY_SIZE);
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{
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std::cout << "Basic Reduce" << std::endl;
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ValueType result = vtkm::cont::Algorithm::Reduce(multiplexer, ValueType(0.0));
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VTKM_TEST_ASSERT(test_equal(result, ValueType(0.5 * (ARRAY_SIZE * (ARRAY_SIZE + 1)))));
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}
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{
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std::cout << "Reduce with custom operator" << std::endl;
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vtkm::Vec<ValueType, 2> initial(ValueType(10000), ValueType(0));
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vtkm::Vec<ValueType, 2> result =
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vtkm::cont::Algorithm::Reduce(multiplexer, initial, vtkm::MinAndMax<ValueType>{});
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VTKM_TEST_ASSERT(test_equal(result[0], ValueType(1)));
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VTKM_TEST_ASSERT(test_equal(result[1], ValueType(static_cast<vtkm::FloatDefault>(ARRAY_SIZE))));
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}
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}
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void Fill()
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{
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std::cout << "\n--- Fill" << std::endl;
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using ValueType = vtkm::Vec3f;
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using MultiplexerType = vtkm::cont::ArrayHandleMultiplexer<
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vtkm::cont::ArrayHandleConstant<ValueType>,
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vtkm::cont::ArrayHandleCounting<ValueType>,
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vtkm::cont::ArrayHandle<ValueType>,
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vtkm::cont::ArrayHandleUniformPointCoordinates,
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vtkm::cont::ArrayHandleCartesianProduct<vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>,
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vtkm::cont::ArrayHandle<vtkm::FloatDefault>>>;
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const ValueType testValue1 = TestValue(1, ValueType{});
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const ValueType testValue2 = TestValue(2, ValueType{});
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MultiplexerType multiplexer = vtkm::cont::ArrayHandle<ValueType>{};
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multiplexer.AllocateAndFill(ARRAY_SIZE, testValue1);
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{
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auto portal = multiplexer.ReadPortal();
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VTKM_TEST_ASSERT(portal.GetNumberOfValues() == ARRAY_SIZE);
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for (vtkm::Id index = 0; index < ARRAY_SIZE; ++index)
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{
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VTKM_TEST_ASSERT(portal.Get(index) == testValue1);
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}
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}
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> array1;
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array1.Allocate(ARRAY_SIZE);
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> array2;
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array2.Allocate(ARRAY_SIZE);
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vtkm::cont::ArrayHandle<vtkm::FloatDefault> array3;
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array3.Allocate(ARRAY_SIZE);
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multiplexer = vtkm::cont::make_ArrayHandleCartesianProduct(array1, array2, array3);
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multiplexer.Fill(testValue2);
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{
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auto portal1 = array1.ReadPortal();
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auto portal2 = array2.ReadPortal();
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auto portal3 = array3.ReadPortal();
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for (vtkm::Id index = 0; index < ARRAY_SIZE; ++index)
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{
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VTKM_TEST_ASSERT(portal1.Get(index) == testValue2[0]);
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VTKM_TEST_ASSERT(portal2.Get(index) == testValue2[1]);
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VTKM_TEST_ASSERT(portal3.Get(index) == testValue2[2]);
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}
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}
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}
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void TestAll()
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{
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BasicSwitch();
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Reduce();
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Fill();
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}
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} // anonymous namespace
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int UnitTestArrayHandleMultiplexer(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(TestAll, argc, argv);
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}
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#endif //vtk_m_cont_testing_TestingArrayHandleMultiplexer_h
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