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https://gitlab.kitware.com/vtk/vtk-m
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319 lines
11 KiB
C++
319 lines
11 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 Sandia Corporation.
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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-AC04-94AL85000 with Sandia Corporation,
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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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// Make sure ArrayHandleCompositeVector does not rely on default storage or
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// device adapter.
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#define VTKM_STORAGE VTKM_STORAGE_ERROR
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#define VTKM_DEVICE_ADAPTER VTKM_DEVICE_ADAPTER_ERROR
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#include <vtkm/cont/ArrayHandleCompositeVector.h>
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#include <vtkm/VecTraits.h>
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#include <vtkm/cont/ArrayHandleConstant.h>
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#include <vtkm/cont/ArrayHandleIndex.h>
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#include <vtkm/cont/StorageBasic.h>
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#include <vtkm/cont/serial/DeviceAdapterSerial.h>
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#include <vtkm/cont/testing/Testing.h>
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#include <vector>
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namespace
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{
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const vtkm::Id ARRAY_SIZE = 10;
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typedef vtkm::cont::StorageTagBasic StorageTag;
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vtkm::FloatDefault TestValue3Ids(vtkm::Id index, vtkm::IdComponent inComponentIndex, int inArrayId)
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{
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return (vtkm::FloatDefault(index) + 0.1f * vtkm::FloatDefault(inComponentIndex) +
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0.01f * vtkm::FloatDefault(inArrayId));
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}
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template <typename ValueType>
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vtkm::cont::ArrayHandle<ValueType, StorageTag> MakeInputArray(int arrayId)
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{
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typedef vtkm::VecTraits<ValueType> VTraits;
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// Create a buffer with valid test values.
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ValueType buffer[ARRAY_SIZE];
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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for (vtkm::IdComponent componentIndex = 0; componentIndex < VTraits::NUM_COMPONENTS;
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componentIndex++)
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{
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VTraits::SetComponent(
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buffer[index], componentIndex, TestValue3Ids(index, componentIndex, arrayId));
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}
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}
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// Make an array handle that points to this buffer.
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typedef vtkm::cont::ArrayHandle<ValueType, StorageTag> ArrayHandleType;
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ArrayHandleType bufferHandle = vtkm::cont::make_ArrayHandle(buffer, ARRAY_SIZE);
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// When this function returns, the array is going to go out of scope, which
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// will invalidate the array handle we just created. So copy to a new buffer
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// that will stick around after we return.
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ArrayHandleType copyHandle;
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vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial>::Copy(bufferHandle,
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copyHandle);
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return copyHandle;
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}
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template <typename ValueType, typename C>
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void CheckArray(const vtkm::cont::ArrayHandle<ValueType, C>& outArray,
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const vtkm::IdComponent* inComponents,
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const int* inArrayIds)
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{
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// ArrayHandleCompositeVector currently does not implement the ability to
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// get to values on the control side, so copy to an array that is accessible.
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typedef vtkm::cont::ArrayHandle<ValueType, StorageTag> ArrayHandleType;
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ArrayHandleType arrayCopy;
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vtkm::cont::DeviceAdapterAlgorithm<vtkm::cont::DeviceAdapterTagSerial>::Copy(outArray, arrayCopy);
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typename ArrayHandleType::PortalConstControl portal = arrayCopy.GetPortalConstControl();
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typedef vtkm::VecTraits<ValueType> VTraits;
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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ValueType retreivedValue = portal.Get(index);
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for (vtkm::IdComponent componentIndex = 0; componentIndex < VTraits::NUM_COMPONENTS;
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componentIndex++)
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{
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vtkm::FloatDefault retrievedComponent = VTraits::GetComponent(retreivedValue, componentIndex);
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vtkm::FloatDefault expectedComponent =
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TestValue3Ids(index, inComponents[componentIndex], inArrayIds[componentIndex]);
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VTKM_TEST_ASSERT(retrievedComponent == expectedComponent, "Got bad value.");
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}
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}
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}
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template <vtkm::IdComponent inComponents>
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void TryScalarArray()
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{
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std::cout << "Creating a scalar array from one of " << inComponents << " components."
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<< std::endl;
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typedef vtkm::Vec<vtkm::FloatDefault, inComponents> InValueType;
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typedef vtkm::cont::ArrayHandle<InValueType, StorageTag> InArrayType;
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int inArrayId = 0;
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InArrayType inArray = MakeInputArray<InValueType>(inArrayId);
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typedef typename vtkm::cont::ArrayHandleCompositeVectorType<InArrayType>::type OutArrayType;
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for (vtkm::IdComponent inComponentIndex = 0; inComponentIndex < inComponents; inComponentIndex++)
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{
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OutArrayType outArray = vtkm::cont::make_ArrayHandleCompositeVector(inArray, inComponentIndex);
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CheckArray(outArray, &inComponentIndex, &inArrayId);
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}
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}
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template <typename T1, typename T2, typename T3, typename T4>
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void TryVector4(vtkm::cont::ArrayHandle<T1, StorageTag> array1,
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vtkm::cont::ArrayHandle<T2, StorageTag> array2,
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vtkm::cont::ArrayHandle<T3, StorageTag> array3,
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vtkm::cont::ArrayHandle<T4, StorageTag> array4)
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{
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int arrayIds[4] = { 0, 1, 2, 3 };
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vtkm::IdComponent inComponents[4];
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for (inComponents[0] = 0; inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
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inComponents[0]++)
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{
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for (inComponents[1] = 0; inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
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inComponents[1]++)
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{
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for (inComponents[2] = 0; inComponents[2] < vtkm::VecTraits<T3>::NUM_COMPONENTS;
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inComponents[2]++)
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{
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for (inComponents[3] = 0; inComponents[3] < vtkm::VecTraits<T4>::NUM_COMPONENTS;
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inComponents[3]++)
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{
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CheckArray(vtkm::cont::make_ArrayHandleCompositeVector(array1,
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inComponents[0],
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array2,
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inComponents[1],
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array3,
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inComponents[2],
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array4,
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inComponents[3]),
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inComponents,
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arrayIds);
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}
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}
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}
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}
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}
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template <typename T1, typename T2, typename T3>
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void TryVector3(vtkm::cont::ArrayHandle<T1, StorageTag> array1,
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vtkm::cont::ArrayHandle<T2, StorageTag> array2,
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vtkm::cont::ArrayHandle<T3, StorageTag> array3)
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{
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int arrayIds[3] = { 0, 1, 2 };
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vtkm::IdComponent inComponents[3];
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for (inComponents[0] = 0; inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
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inComponents[0]++)
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{
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for (inComponents[1] = 0; inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
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inComponents[1]++)
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{
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for (inComponents[2] = 0; inComponents[2] < vtkm::VecTraits<T3>::NUM_COMPONENTS;
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inComponents[2]++)
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{
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CheckArray(vtkm::cont::make_ArrayHandleCompositeVector(
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array1, inComponents[0], array2, inComponents[1], array3, inComponents[2]),
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inComponents,
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arrayIds);
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}
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}
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}
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std::cout << " Fourth component from Scalar." << std::endl;
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TryVector4(array1, array2, array3, MakeInputArray<vtkm::FloatDefault>(3));
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std::cout << " Fourth component from Vector4." << std::endl;
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TryVector4(array1, array2, array3, MakeInputArray<vtkm::Vec<vtkm::FloatDefault, 4>>(3));
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}
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template <typename T1, typename T2>
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void TryVector2(vtkm::cont::ArrayHandle<T1, StorageTag> array1,
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vtkm::cont::ArrayHandle<T2, StorageTag> array2)
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{
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int arrayIds[2] = { 0, 1 };
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vtkm::IdComponent inComponents[2];
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for (inComponents[0] = 0; inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
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inComponents[0]++)
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{
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for (inComponents[1] = 0; inComponents[1] < vtkm::VecTraits<T2>::NUM_COMPONENTS;
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inComponents[1]++)
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{
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CheckArray(vtkm::cont::make_ArrayHandleCompositeVector(
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array1, inComponents[0], array2, inComponents[1]),
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inComponents,
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arrayIds);
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}
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}
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std::cout << " Third component from Scalar." << std::endl;
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TryVector3(array1, array2, MakeInputArray<vtkm::FloatDefault>(2));
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std::cout << " Third component from Vector2." << std::endl;
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TryVector3(array1, array2, MakeInputArray<vtkm::Vec<vtkm::FloatDefault, 2>>(2));
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}
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template <typename T1>
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void TryVector1(vtkm::cont::ArrayHandle<T1, StorageTag> array1)
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{
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int arrayIds[1] = { 0 };
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vtkm::IdComponent inComponents[1];
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for (inComponents[0] = 0; inComponents[0] < vtkm::VecTraits<T1>::NUM_COMPONENTS;
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inComponents[0]++)
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{
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CheckArray(
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vtkm::cont::make_ArrayHandleCompositeVector(array1, inComponents[0]), inComponents, arrayIds);
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}
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std::cout << " Second component from Scalar." << std::endl;
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TryVector2(array1, MakeInputArray<vtkm::FloatDefault>(1));
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std::cout << " Second component from Vector4." << std::endl;
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TryVector2(array1, MakeInputArray<vtkm::Vec<vtkm::FloatDefault, 4>>(1));
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}
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void TryVector()
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{
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std::cout << "Trying many permutations of composite vectors." << std::endl;
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std::cout << " First component from Scalar." << std::endl;
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TryVector1(MakeInputArray<vtkm::FloatDefault>(0));
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std::cout << " First component from Vector3." << std::endl;
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TryVector1(MakeInputArray<vtkm::Vec<vtkm::FloatDefault, 3>>(0));
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}
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void TrySpecialArrays()
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{
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std::cout << "Trying special arrays." << std::endl;
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typedef vtkm::cont::ArrayHandleIndex ArrayType1;
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ArrayType1 array1(ARRAY_SIZE);
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typedef vtkm::cont::ArrayHandleConstant<vtkm::Id> ArrayType2;
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ArrayType2 array2(295, ARRAY_SIZE);
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typedef vtkm::cont::ArrayHandleCompositeVectorType<ArrayType1, ArrayType2>::type
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CompositeArrayType;
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CompositeArrayType compositeArray =
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vtkm::cont::make_ArrayHandleCompositeVector(array1, 0, array2, 0);
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vtkm::cont::printSummary_ArrayHandle(compositeArray, std::cout);
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std::cout << std::endl;
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VTKM_TEST_ASSERT(compositeArray.GetNumberOfValues() == ARRAY_SIZE, "Wrong array size.");
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CompositeArrayType::PortalConstControl compositePortal = compositeArray.GetPortalConstControl();
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for (vtkm::Id index = 0; index < ARRAY_SIZE; index++)
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{
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VTKM_TEST_ASSERT(test_equal(compositePortal.Get(index), vtkm::Id2(index, 295)), "Bad value.");
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}
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}
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void TestBadArrayLengths()
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{
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std::cout << "Checking behavior when size of input arrays do not agree." << std::endl;
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typedef vtkm::cont::ArrayHandle<vtkm::FloatDefault, StorageTag> InArrayType;
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InArrayType longInArray = MakeInputArray<vtkm::FloatDefault>(0);
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InArrayType shortInArray = MakeInputArray<vtkm::FloatDefault>(1);
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shortInArray.Shrink(ARRAY_SIZE / 2);
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try
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{
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vtkm::cont::make_ArrayHandleCompositeVector(longInArray, 0, shortInArray, 0);
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VTKM_TEST_FAIL("Did not get exception like expected.");
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}
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catch (vtkm::cont::ErrorBadValue& error)
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{
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std::cout << "Got expected error: " << std::endl << error.GetMessage() << std::endl;
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}
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}
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void TestCompositeVector()
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{
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TryScalarArray<2>();
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TryScalarArray<3>();
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TryScalarArray<4>();
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TryVector();
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TrySpecialArrays();
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TestBadArrayLengths();
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}
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} // anonymous namespace
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int UnitTestArrayHandleCompositeVector(int, char* [])
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{
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return vtkm::cont::testing::Testing::Run(TestCompositeVector);
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}
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