5063527bb7
When calling `ArrayExtractComponent`, some arrays cannot really have a component extracted. In this case there is a fallback and a warning is generated. Of course it is good to test this behavior. The `UnitTestArrayExtractComponent` does test this and as such generates this warning (intentionally). Add a note to the output that this warning is expected.
251 lines
9.0 KiB
C++
251 lines
9.0 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/ArrayExtractComponent.h>
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#include <vtkm/cont/ArrayHandleCartesianProduct.h>
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#include <vtkm/cont/ArrayHandleCompositeVector.h>
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#include <vtkm/cont/ArrayHandleExtractComponent.h>
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#include <vtkm/cont/ArrayHandleGroupVec.h>
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#include <vtkm/cont/ArrayHandleIndex.h>
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#include <vtkm/cont/ArrayHandleMultiplexer.h>
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#include <vtkm/cont/ArrayHandleReverse.h>
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#include <vtkm/cont/ArrayHandleSOA.h>
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#include <vtkm/cont/ArrayHandleUniformPointCoordinates.h>
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#include <vtkm/cont/ArrayHandleView.h>
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#include <vtkm/VecFlat.h>
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#include <vtkm/cont/testing/Testing.h>
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namespace
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{
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constexpr vtkm::Id ARRAY_SIZE = 10;
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template <typename T, typename S>
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void CheckInputArray(const vtkm::cont::ArrayHandle<T, S>& originalArray,
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vtkm::CopyFlag allowCopy = vtkm::CopyFlag::Off)
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{
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//std::cout << " Checking input array type "
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// << vtkm::cont::TypeToString<vtkm::cont::ArrayHandle<T, S>>() << std::endl;
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//std::cout << " Original array: ";
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//vtkm::cont::printSummary_ArrayHandle(originalArray, std::cout);
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using FlatVec = vtkm::VecFlat<T>;
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using ComponentType = typename FlatVec::ComponentType;
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for (vtkm::IdComponent componentId = 0; componentId < FlatVec::NUM_COMPONENTS; ++componentId)
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{
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vtkm::cont::ArrayHandleStride<ComponentType> componentArray =
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vtkm::cont::ArrayExtractComponent(originalArray, componentId, allowCopy);
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//std::cout << " Component " << componentId << ": ";
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//vtkm::cont::printSummary_ArrayHandle(componentArray, std::cout);
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auto originalPortal = originalArray.ReadPortal();
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auto componentPortal = componentArray.ReadPortal();
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VTKM_TEST_ASSERT(originalPortal.GetNumberOfValues() == componentPortal.GetNumberOfValues());
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for (vtkm::Id arrayIndex = 0; arrayIndex < originalArray.GetNumberOfValues(); ++arrayIndex)
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{
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auto originalValue = vtkm::make_VecFlat(originalPortal.Get(arrayIndex));
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ComponentType componentValue = componentPortal.Get(arrayIndex);
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VTKM_TEST_ASSERT(test_equal(originalValue[componentId], componentValue));
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}
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}
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}
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template <typename T, typename S>
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void CheckOutputArray(const vtkm::cont::ArrayHandle<T, S>& originalArray)
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{
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CheckInputArray(originalArray);
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//std::cout << " Checking output array type "
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// << vtkm::cont::TypeToString<vtkm::cont::ArrayHandle<T, S>>() << std::endl;
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//std::cout << " Original array: ";
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//vtkm::cont::printSummary_ArrayHandle(originalArray, std::cout);
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vtkm::cont::ArrayHandle<T, S> outputArray;
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outputArray.Allocate(originalArray.GetNumberOfValues());
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using FlatVec = vtkm::VecFlat<T>;
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using ComponentType = typename FlatVec::ComponentType;
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constexpr vtkm::IdComponent numComponents = FlatVec::NUM_COMPONENTS;
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for (vtkm::IdComponent componentId = 0; componentId < numComponents; ++componentId)
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{
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vtkm::cont::ArrayHandleStride<ComponentType> inComponentArray =
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vtkm::cont::ArrayExtractComponent(originalArray, numComponents - componentId - 1);
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vtkm::cont::ArrayHandleStride<ComponentType> outComponentArray =
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vtkm::cont::ArrayExtractComponent(outputArray, componentId, vtkm::CopyFlag::Off);
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auto inPortal = inComponentArray.ReadPortal();
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auto outPortal = outComponentArray.WritePortal();
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VTKM_TEST_ASSERT(inComponentArray.GetNumberOfValues() == originalArray.GetNumberOfValues());
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VTKM_TEST_ASSERT(outComponentArray.GetNumberOfValues() == originalArray.GetNumberOfValues());
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for (vtkm::Id arrayIndex = 0; arrayIndex < originalArray.GetNumberOfValues(); ++arrayIndex)
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{
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outPortal.Set(arrayIndex, inPortal.Get(arrayIndex));
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}
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}
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//std::cout << " Output array: ";
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//vtkm::cont::printSummary_ArrayHandle(outputArray, std::cout);
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auto inPortal = originalArray.ReadPortal();
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auto outPortal = outputArray.ReadPortal();
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for (vtkm::Id arrayIndex = 0; arrayIndex < originalArray.GetNumberOfValues(); ++arrayIndex)
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{
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FlatVec inValue = vtkm::make_VecFlat(inPortal.Get(arrayIndex));
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FlatVec outValue = vtkm::make_VecFlat(outPortal.Get(arrayIndex));
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for (vtkm::IdComponent componentId = 0; componentId < numComponents; ++componentId)
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{
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VTKM_TEST_ASSERT(test_equal(inValue[componentId], outValue[numComponents - componentId - 1]));
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}
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}
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}
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void DoTest()
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{
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using ArrayMultiplexerType =
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vtkm::cont::ArrayHandleMultiplexer<vtkm::cont::ArrayHandleBasic<vtkm::Vec3f>,
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vtkm::cont::ArrayHandleSOA<vtkm::Vec3f>>;
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{
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std::cout << "Basic array" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array;
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array.Allocate(ARRAY_SIZE);
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SetPortal(array.WritePortal());
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CheckOutputArray(array);
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std::cout << "ArrayHandleExtractComponent" << std::endl;
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CheckOutputArray(vtkm::cont::make_ArrayHandleExtractComponent(array, 1));
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std::cout << "ArrayHandleMultiplexer" << std::endl;
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CheckInputArray(ArrayMultiplexerType(array));
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}
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{
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std::cout << "SOA array" << std::endl;
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vtkm::cont::ArrayHandleSOA<vtkm::Vec3f> array;
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array.Allocate(ARRAY_SIZE);
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SetPortal(array.WritePortal());
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CheckOutputArray(array);
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CheckInputArray(ArrayMultiplexerType(array));
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}
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{
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std::cout << "Stride array" << std::endl;
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constexpr vtkm::Id STRIDE = 7;
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vtkm::cont::ArrayHandleBasic<vtkm::Vec3f> originalArray;
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originalArray.Allocate(ARRAY_SIZE * STRIDE);
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for (vtkm::Id offset = 0; offset < STRIDE; ++offset)
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{
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vtkm::cont::ArrayHandleStride<vtkm::Vec3f> strideArray(
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originalArray, ARRAY_SIZE, STRIDE, offset);
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CheckInputArray(strideArray);
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}
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}
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{
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std::cout << "ArrayHandleGroupVec" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array;
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array.Allocate(ARRAY_SIZE * 2);
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SetPortal(array.WritePortal());
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CheckOutputArray(vtkm::cont::make_ArrayHandleGroupVec<2>(array));
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}
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{
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std::cout << "ArrayHandleCompositeVector" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array0;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array1;
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array0.Allocate(ARRAY_SIZE);
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array1.Allocate(ARRAY_SIZE);
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SetPortal(array0.WritePortal());
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SetPortal(array1.WritePortal());
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auto compositeArray = vtkm::cont::make_ArrayHandleCompositeVector(array0, array1);
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CheckOutputArray(compositeArray);
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CheckOutputArray(vtkm::cont::make_ArrayHandleExtractComponent(compositeArray, 1));
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}
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{
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std::cout << "ArrayHandleCartesianProduct" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Float64> array0;
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vtkm::cont::ArrayHandle<vtkm::Float64> array1;
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vtkm::cont::ArrayHandle<vtkm::Float64> array2;
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array0.Allocate(ARRAY_SIZE);
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array1.Allocate(ARRAY_SIZE / 2);
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array2.Allocate(ARRAY_SIZE + 2);
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SetPortal(array0.WritePortal());
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SetPortal(array1.WritePortal());
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SetPortal(array2.WritePortal());
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CheckInputArray(vtkm::cont::make_ArrayHandleCartesianProduct(array0, array1, array2));
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}
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{
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std::cout << "ArrayHandleUniformPointCoordinates" << std::endl;
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vtkm::cont::ArrayHandleUniformPointCoordinates array(
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vtkm::Id3{ ARRAY_SIZE, ARRAY_SIZE + 2, ARRAY_SIZE / 2 });
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CheckInputArray(array, vtkm::CopyFlag::On);
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}
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{
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std::cout << "ArrayHandleReverse" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array;
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array.Allocate(ARRAY_SIZE);
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SetPortal(array.WritePortal());
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CheckOutputArray(vtkm::cont::make_ArrayHandleReverse(array));
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}
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{
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std::cout << "ArrayHandleView" << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec3f> array;
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array.Allocate(ARRAY_SIZE);
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SetPortal(array.WritePortal());
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CheckInputArray(
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vtkm::cont::make_ArrayHandleView(array, (ARRAY_SIZE / 3), (ARRAY_SIZE / 3) + 1));
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}
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{
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std::cout << "ArrayHandleIndex (expect warning)" << std::endl;
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vtkm::cont::ArrayHandleIndex array(ARRAY_SIZE);
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CheckInputArray(array, vtkm::CopyFlag::On);
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}
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{
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std::cout << "Weird combination." << std::endl;
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Vec4f, 2>> base0;
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base0.Allocate(ARRAY_SIZE);
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SetPortal(base0.WritePortal());
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vtkm::cont::ArrayHandleSOA<vtkm::Vec4f> base1_sub;
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base1_sub.Allocate(ARRAY_SIZE);
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SetPortal(base1_sub.WritePortal());
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auto base1 = vtkm::cont::make_ArrayHandleGroupVec<2>(base1_sub);
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vtkm::cont::ArrayHandle<vtkm::Vec<vtkm::Vec4f, 2>> base2_sub;
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base2_sub.Allocate(ARRAY_SIZE + 10);
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SetPortal(base2_sub.WritePortal());
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auto base2 = vtkm::cont::make_ArrayHandleView(base2_sub, 2, ARRAY_SIZE + 4);
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auto array = vtkm::cont::make_ArrayHandleCartesianProduct(base0, base1, base2);
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CheckInputArray(array);
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}
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}
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} // anonymous namespace
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int UnitTestArrayExtractComponent(int argc, char* argv[])
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{
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return vtkm::cont::testing::Testing::Run(DoTest, argc, argv);
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}
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