mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-20 02:55:47 +00:00
d8d6fd1741
Class that need to be passed across dynamic library boundaries such as DynamicArrayHandle need to be properly export. One of 'tricks' of this is that templated classes such as PolymorphicArrayHandleContainer need the Type and Storage types to have public visibility. This makes sure that all vtkm storage tags have public visibility so in the future we can transfer dynamic array handles across libraries.
233 lines
6.5 KiB
C++
233 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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// 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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#ifndef vtk_m_cont_ArrayHandleStreaming_h
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#define vtk_m_cont_ArrayHandleStreaming_h
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/cont/ArrayPortal.h>
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namespace vtkm {
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namespace cont {
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namespace internal {
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template<typename P>
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class ArrayPortalStreaming
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{
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public:
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typedef P PortalType;
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typedef typename PortalType::ValueType ValueType;
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VTKM_CONT
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ArrayPortalStreaming() : InputPortal(), BlockIndex(0), BlockSize(0), CurBlockSize(0) { }
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VTKM_CONT
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ArrayPortalStreaming(const PortalType &inputPortal, vtkm::Id blockIndex,
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vtkm::Id blockSize, vtkm::Id curBlockSize) :
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InputPortal(inputPortal), BlockIndex(blockIndex),
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BlockSize(blockSize), CurBlockSize(curBlockSize) { }
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template<typename OtherP>
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VTKM_CONT
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ArrayPortalStreaming(const ArrayPortalStreaming<OtherP> &src) :
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InputPortal(src.GetPortal()),
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BlockIndex(src.GetBlockIndex()),
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BlockSize(src.GetBlockSize()),
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CurBlockSize(src.GetCurBlockSize()) { }
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VTKM_CONT
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vtkm::Id GetNumberOfValues() const {
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return this->CurBlockSize;
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}
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VTKM_CONT
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ValueType Get(vtkm::Id index) const {
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return this->InputPortal.Get(this->BlockIndex*this->BlockSize + index);
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}
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VTKM_CONT
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void Set(vtkm::Id index, const ValueType &value) const {
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this->InputPortal.Set(this->BlockIndex*this->BlockSize + index, value);
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}
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VTKM_CONT
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const PortalType &GetPortal() const { return this->InputPortal; }
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VTKM_CONT
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void SetBlockSize(vtkm::Id blockSize) { this->BlockSize = blockSize; }
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VTKM_CONT
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void SetBlockIndex(vtkm::Id blockIndex) { this->BlockIndex = blockIndex; }
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VTKM_CONT
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void SetCurBlockSize(vtkm::Id curBlockSize) { this->CurBlockSize = curBlockSize; }
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VTKM_CONT
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vtkm::Id GetBlockSize() { return this->BlockSize; }
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VTKM_CONT
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vtkm::Id GetBlockIndex() { return this->BlockIndex; }
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VTKM_CONT
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vtkm::Id GetCurBlockSize() { return this->CurBlockSize; }
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private:
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PortalType InputPortal;
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vtkm::Id BlockIndex;
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vtkm::Id BlockSize;
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vtkm::Id CurBlockSize;
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};
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} // internal
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template<typename ArrayHandleInputType>
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struct VTKM_ALWAYS_EXPORT StorageTagStreaming { };
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namespace internal {
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template<typename ArrayHandleInputType>
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class Storage<
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typename ArrayHandleInputType::ValueType,
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StorageTagStreaming<ArrayHandleInputType> >
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{
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public:
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typedef typename ArrayHandleInputType::ValueType ValueType;
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typedef vtkm::cont::internal::ArrayPortalStreaming<
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typename ArrayHandleInputType::PortalControl> PortalType;
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typedef vtkm::cont::internal::ArrayPortalStreaming<
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typename ArrayHandleInputType::PortalConstControl> PortalConstType;
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VTKM_CONT
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Storage() : Valid(false) { }
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VTKM_CONT
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Storage(const ArrayHandleInputType inputArray, vtkm::Id blockSize,
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vtkm::Id blockIndex, vtkm::Id curBlockSize) :
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InputArray(inputArray), BlockSize(blockSize),
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BlockIndex(blockIndex), CurBlockSize(curBlockSize), Valid(true) { }
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VTKM_CONT
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PortalType GetPortal() {
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VTKM_ASSERT(this->Valid);
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return PortalType(this->InputArray.GetPortalControl(),
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BlockSize, BlockIndex, CurBlockSize);
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}
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VTKM_CONT
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PortalConstType GetPortalConst() const {
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VTKM_ASSERT(this->Valid);
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return PortalConstType(this->InputArray.GetPortalConstControl(),
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BlockSize, BlockIndex, CurBlockSize);
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}
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VTKM_CONT
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vtkm::Id GetNumberOfValues() const {
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VTKM_ASSERT(this->Valid);
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return CurBlockSize;
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}
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VTKM_CONT
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void Allocate(vtkm::Id numberOfValues) const {
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(void)numberOfValues;
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// Do nothing, since we only allocate a streaming array once at the beginning
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}
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VTKM_CONT
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void AllocateFullArray(vtkm::Id numberOfValues) {
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VTKM_ASSERT(this->Valid);
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this->InputArray.Allocate(numberOfValues);
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}
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VTKM_CONT
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void Shrink(vtkm::Id numberOfValues) {
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VTKM_ASSERT(this->Valid);
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this->InputArray.Shrink(numberOfValues);
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}
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VTKM_CONT
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void ReleaseResources() {
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VTKM_ASSERT(this->Valid);
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this->InputArray.ReleaseResources();
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}
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VTKM_CONT
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const ArrayHandleInputType &GetArray() const {
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VTKM_ASSERT(this->Valid);
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return this->InputArray;
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}
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private:
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ArrayHandleInputType InputArray;
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vtkm::Id BlockSize;
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vtkm::Id BlockIndex;
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vtkm::Id CurBlockSize;
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bool Valid;
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};
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}
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}
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}
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namespace vtkm {
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namespace cont {
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template<typename ArrayHandleInputType>
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class ArrayHandleStreaming
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: public vtkm::cont::ArrayHandle<
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typename ArrayHandleInputType::ValueType,
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StorageTagStreaming<ArrayHandleInputType> >
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{
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public:
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VTKM_ARRAY_HANDLE_SUBCLASS(
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ArrayHandleStreaming,
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(ArrayHandleStreaming<ArrayHandleInputType>),
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(vtkm::cont::ArrayHandle<
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typename ArrayHandleInputType::ValueType,
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StorageTagStreaming<ArrayHandleInputType> >));
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private:
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typedef vtkm::cont::internal::Storage<ValueType,StorageTag> StorageType;
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public:
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VTKM_CONT
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ArrayHandleStreaming(const ArrayHandleInputType &inputArray,
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const vtkm::Id blockIndex, const vtkm::Id blockSize,
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const vtkm::Id curBlockSize)
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: Superclass(StorageType(inputArray, blockIndex, blockSize, curBlockSize))
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{
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this->GetPortalConstControl().SetBlockIndex(blockIndex);
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this->GetPortalConstControl().SetBlockSize(blockSize);
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this->GetPortalConstControl().SetCurBlockSize(curBlockSize);
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}
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VTKM_CONT
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void AllocateFullArray(vtkm::Id numberOfValues) {
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this->ReleaseResourcesExecutionInternal();
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this->Internals->ControlArray.AllocateFullArray(numberOfValues);
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this->Internals->ControlArrayValid = true;
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}
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};
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}
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}
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#endif //vtk_m_cont_ArrayHandleStreaming_h
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