mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-10-05 09:59:12 +00:00
05fea4d170
The new-style `ArrayHandle` uses `Buffer` objects to manage data. Thus, when one is decorating the other, it expects to find the `Buffer` objects, which the old-style `ArrayHandle`s do not have. To make the two work together, fake buffers in the old-style arrays. The buffers in old-style arrays are empty, but have metadata that points back to the `ArrayHandle.
454 lines
13 KiB
C++
454 lines
13 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_ArrayHandleConcatenate_h
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#define vtk_m_cont_ArrayHandleConcatenate_h
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#include <vtkm/Deprecated.h>
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#include <vtkm/StaticAssert.h>
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#include <vtkm/cont/ArrayHandle.h>
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namespace vtkm
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{
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namespace cont
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{
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namespace internal
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{
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template <typename PortalType1, typename PortalType2>
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class VTKM_ALWAYS_EXPORT ArrayPortalConcatenate
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{
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using WritableP1 = vtkm::internal::PortalSupportsSets<PortalType1>;
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using WritableP2 = vtkm::internal::PortalSupportsSets<PortalType2>;
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using Writable = std::integral_constant<bool, WritableP1::value && WritableP2::value>;
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public:
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using ValueType = typename PortalType1::ValueType;
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ArrayPortalConcatenate()
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: portal1()
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, portal2()
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{
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ArrayPortalConcatenate(const PortalType1& p1, const PortalType2& p2)
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: portal1(p1)
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, portal2(p2)
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{
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}
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// Copy constructor
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <typename OtherP1, typename OtherP2>
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VTKM_EXEC_CONT ArrayPortalConcatenate(const ArrayPortalConcatenate<OtherP1, OtherP2>& src)
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: portal1(src.GetPortal1())
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, portal2(src.GetPortal2())
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{
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}
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VTKM_EXEC_CONT
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vtkm::Id GetNumberOfValues() const
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{
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return this->portal1.GetNumberOfValues() + this->portal2.GetNumberOfValues();
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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VTKM_EXEC_CONT
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ValueType Get(vtkm::Id index) const
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{
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if (index < this->portal1.GetNumberOfValues())
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{
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return this->portal1.Get(index);
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}
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else
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{
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return this->portal2.Get(index - this->portal1.GetNumberOfValues());
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}
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}
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VTKM_SUPPRESS_EXEC_WARNINGS
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template <typename Writable_ = Writable,
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typename = typename std::enable_if<Writable_::value>::type>
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VTKM_EXEC_CONT void Set(vtkm::Id index, const ValueType& value) const
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{
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if (index < this->portal1.GetNumberOfValues())
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{
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this->portal1.Set(index, value);
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}
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else
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{
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this->portal2.Set(index - this->portal1.GetNumberOfValues(), value);
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}
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}
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VTKM_EXEC_CONT
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const PortalType1& GetPortal1() const { return this->portal1; }
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VTKM_EXEC_CONT
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const PortalType2& GetPortal2() const { return this->portal2; }
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private:
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PortalType1 portal1;
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PortalType2 portal2;
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}; // class ArrayPortalConcatenate
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} // namespace internal
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template <typename StorageTag1, typename StorageTag2>
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class VTKM_ALWAYS_EXPORT StorageTagConcatenate
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{
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};
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namespace internal
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{
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namespace detail
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{
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template <typename T, typename ArrayOrStorage, bool IsArrayType>
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struct ConcatinateTypeArgImpl;
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template <typename T, typename Storage>
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struct ConcatinateTypeArgImpl<T, Storage, false>
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{
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using StorageTag = Storage;
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using ArrayHandle = vtkm::cont::ArrayHandle<T, StorageTag>;
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};
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template <typename T, typename Array>
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struct ConcatinateTypeArgImpl<T, Array, true>
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{
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VTKM_STATIC_ASSERT_MSG((std::is_same<T, typename Array::ValueType>::value),
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"Used array with wrong type in ArrayHandleConcatinate.");
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using StorageTag VTKM_DEPRECATED(
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1.6,
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"Use storage tags instead of array handles in StorageTagConcatenate.") =
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typename Array::StorageTag;
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using ArrayHandle VTKM_DEPRECATED(
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1.6,
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"Use storage tags instead of array handles in StorageTagConcatenate.") =
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vtkm::cont::ArrayHandle<T, typename Array::StorageTag>;
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};
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template <typename T, typename ArrayOrStorage>
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struct ConcatinateTypeArg
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: ConcatinateTypeArgImpl<T,
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ArrayOrStorage,
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vtkm::cont::internal::ArrayHandleCheck<ArrayOrStorage>::type::value>
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{
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};
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} // namespace detail
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template <typename T, typename ST1, typename ST2>
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class Storage<T, StorageTagConcatenate<ST1, ST2>>
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{
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using ArrayHandleType1 = typename detail::ConcatinateTypeArg<T, ST1>::ArrayHandle;
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using ArrayHandleType2 = typename detail::ConcatinateTypeArg<T, ST2>::ArrayHandle;
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public:
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using ValueType = T;
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using PortalType = ArrayPortalConcatenate<typename ArrayHandleType1::WritePortalType,
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typename ArrayHandleType2::WritePortalType>;
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using PortalConstType = ArrayPortalConcatenate<typename ArrayHandleType1::ReadPortalType,
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typename ArrayHandleType2::ReadPortalType>;
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VTKM_CONT
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Storage()
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: valid(false)
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{
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}
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VTKM_CONT
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Storage(const ArrayHandleType1& a1, const ArrayHandleType2& a2)
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: array1(a1)
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, array2(a2)
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, valid(true)
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{
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}
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VTKM_CONT
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PortalConstType GetPortalConst() const
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{
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VTKM_ASSERT(this->valid);
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return PortalConstType(this->array1.ReadPortal(), this->array2.ReadPortal());
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}
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VTKM_CONT
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PortalType GetPortal()
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{
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VTKM_ASSERT(this->valid);
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return PortalType(this->array1.WritePortal(), this->array2.WritePortal());
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}
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VTKM_CONT
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vtkm::Id GetNumberOfValues() const
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{
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VTKM_ASSERT(this->valid);
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return this->array1.GetNumberOfValues() + this->array2.GetNumberOfValues();
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}
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VTKM_CONT
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void Allocate(vtkm::Id vtkmNotUsed(numberOfValues))
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{
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throw vtkm::cont::ErrorInternal("ArrayHandleConcatenate should not be allocated explicitly. ");
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}
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VTKM_CONT
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void Shrink(vtkm::Id numberOfValues)
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{
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VTKM_ASSERT(this->valid);
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if (numberOfValues < this->array1.GetNumberOfValues())
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{
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this->array1.Shrink(numberOfValues);
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this->array2.Shrink(0);
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}
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else
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this->array2.Shrink(numberOfValues - this->array1.GetNumberOfValues());
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}
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VTKM_CONT
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void ReleaseResources()
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{
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VTKM_ASSERT(this->valid);
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this->array1.ReleaseResources();
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this->array2.ReleaseResources();
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}
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VTKM_CONT
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const ArrayHandleType1& GetArray1() const
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{
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VTKM_ASSERT(this->valid);
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return this->array1;
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}
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VTKM_CONT
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const ArrayHandleType2& GetArray2() const
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{
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VTKM_ASSERT(this->valid);
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return this->array2;
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}
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private:
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ArrayHandleType1 array1;
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ArrayHandleType2 array2;
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bool valid;
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VTKM_STORAGE_OLD_STYLE;
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}; // class Storage
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template <typename T, typename ST1, typename ST2, typename Device>
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class ArrayTransfer<T, StorageTagConcatenate<ST1, ST2>, Device>
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{
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using ArrayHandleType1 = typename detail::ConcatinateTypeArg<T, ST1>::ArrayHandle;
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using ArrayHandleType2 = typename detail::ConcatinateTypeArg<T, ST2>::ArrayHandle;
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using StorageTag1 = typename detail::ConcatinateTypeArg<T, ST1>::StorageTag;
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using StorageTag2 = typename detail::ConcatinateTypeArg<T, ST2>::StorageTag;
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public:
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using ValueType = T;
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private:
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using StorageTag = StorageTagConcatenate<StorageTag1, StorageTag2>;
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using StorageType = vtkm::cont::internal::Storage<ValueType, StorageTag>;
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public:
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using PortalControl = typename StorageType::PortalType;
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using PortalConstControl = typename StorageType::PortalConstType;
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using PortalExecution =
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ArrayPortalConcatenate<typename ArrayHandleType1::template ExecutionTypes<Device>::Portal,
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typename ArrayHandleType2::template ExecutionTypes<Device>::Portal>;
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using PortalConstExecution =
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ArrayPortalConcatenate<typename ArrayHandleType1::template ExecutionTypes<Device>::PortalConst,
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typename ArrayHandleType2::template ExecutionTypes<Device>::PortalConst>;
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VTKM_CONT
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ArrayTransfer(StorageType* storage)
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: array1(storage->GetArray1())
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, array2(storage->GetArray2())
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{
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}
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VTKM_CONT
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vtkm::Id GetNumberOfValues() const
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{
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return this->array1.GetNumberOfValues() + this->array2.GetNumberOfValues();
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}
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VTKM_CONT
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PortalConstExecution PrepareForInput(bool vtkmNotUsed(updateData), vtkm::cont::Token& token)
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{
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return PortalConstExecution(this->array1.PrepareForInput(Device(), token),
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this->array2.PrepareForInput(Device(), token));
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}
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VTKM_CONT
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PortalExecution PrepareForInPlace(bool vtkmNotUsed(updateData), vtkm::cont::Token& token)
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{
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return PortalExecution(this->array1.PrepareForInPlace(Device(), token),
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this->array2.PrepareForInPlace(Device(), token));
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}
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VTKM_CONT
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PortalExecution PrepareForOutput(vtkm::Id vtkmNotUsed(numberOfValues), vtkm::cont::Token&)
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{
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throw vtkm::cont::ErrorInternal("ArrayHandleConcatenate is derived and read-only. ");
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}
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VTKM_CONT
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void RetrieveOutputData(StorageType* vtkmNotUsed(storage)) const
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{
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// not need to implement
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}
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VTKM_CONT
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void Shrink(vtkm::Id numberOfValues)
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{
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if (numberOfValues < this->array1.GetNumberOfValues())
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{
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this->array1.Shrink(numberOfValues);
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this->array2.Shrink(0);
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}
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else
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this->array2.Shrink(numberOfValues - this->array1.GetNumberOfValues());
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}
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VTKM_CONT
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void ReleaseResources()
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{
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this->array1.ReleaseResourcesExecution();
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this->array2.ReleaseResourcesExecution();
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}
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private:
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ArrayHandleType1 array1;
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ArrayHandleType2 array2;
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};
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}
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}
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} // namespace vtkm::cont::internal
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namespace vtkm
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{
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namespace cont
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{
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template <typename ArrayHandleType1, typename ArrayHandleType2>
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class ArrayHandleConcatenate
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: public vtkm::cont::ArrayHandle<typename ArrayHandleType1::ValueType,
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StorageTagConcatenate<typename ArrayHandleType1::StorageTag,
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typename ArrayHandleType2::StorageTag>>
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{
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public:
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VTKM_ARRAY_HANDLE_SUBCLASS(
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ArrayHandleConcatenate,
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(ArrayHandleConcatenate<ArrayHandleType1, ArrayHandleType2>),
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(vtkm::cont::ArrayHandle<typename ArrayHandleType1::ValueType,
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StorageTagConcatenate<typename ArrayHandleType1::StorageTag,
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typename ArrayHandleType2::StorageTag>>));
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protected:
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using StorageType = vtkm::cont::internal::Storage<ValueType, StorageTag>;
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public:
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VTKM_CONT
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ArrayHandleConcatenate(const ArrayHandleType1& array1, const ArrayHandleType2& array2)
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: Superclass(StorageType(array1, array2))
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{
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}
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};
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template <typename ArrayHandleType1, typename ArrayHandleType2>
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VTKM_CONT ArrayHandleConcatenate<ArrayHandleType1, ArrayHandleType2> make_ArrayHandleConcatenate(
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const ArrayHandleType1& array1,
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const ArrayHandleType2& array2)
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{
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return ArrayHandleConcatenate<ArrayHandleType1, ArrayHandleType2>(array1, array2);
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}
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}
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} // namespace vtkm::cont
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//=============================================================================
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// Specializations of serialization related classes
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/// @cond SERIALIZATION
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namespace vtkm
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{
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namespace cont
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{
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template <typename AH1, typename AH2>
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struct SerializableTypeString<vtkm::cont::ArrayHandleConcatenate<AH1, AH2>>
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{
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static VTKM_CONT const std::string& Get()
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{
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static std::string name = "AH_Concatenate<" + SerializableTypeString<AH1>::Get() + "," +
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SerializableTypeString<AH2>::Get() + ">";
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return name;
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}
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};
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template <typename T, typename ST1, typename ST2>
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struct SerializableTypeString<
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vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagConcatenate<ST1, ST2>>>
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: SerializableTypeString<vtkm::cont::ArrayHandleConcatenate<
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typename internal::detail::ConcatinateTypeArg<T, ST1>::ArrayHandle,
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typename internal::detail::ConcatinateTypeArg<T, ST2>::ArrayHandle>>
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{
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};
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}
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} // vtkm::cont
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namespace mangled_diy_namespace
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{
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template <typename AH1, typename AH2>
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struct Serialization<vtkm::cont::ArrayHandleConcatenate<AH1, AH2>>
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{
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private:
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using Type = vtkm::cont::ArrayHandleConcatenate<AH1, AH2>;
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using BaseType = vtkm::cont::ArrayHandle<typename Type::ValueType, typename Type::StorageTag>;
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public:
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static VTKM_CONT void save(BinaryBuffer& bb, const BaseType& obj)
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{
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auto storage = obj.GetStorage();
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vtkmdiy::save(bb, storage.GetArray1());
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vtkmdiy::save(bb, storage.GetArray2());
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}
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static VTKM_CONT void load(BinaryBuffer& bb, BaseType& obj)
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{
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AH1 array1;
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AH2 array2;
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vtkmdiy::load(bb, array1);
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vtkmdiy::load(bb, array2);
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obj = vtkm::cont::make_ArrayHandleConcatenate(array1, array2);
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}
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};
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template <typename T, typename ST1, typename ST2>
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struct Serialization<vtkm::cont::ArrayHandle<T, vtkm::cont::StorageTagConcatenate<ST1, ST2>>>
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: Serialization<vtkm::cont::ArrayHandleConcatenate<
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typename vtkm::cont::internal::detail::ConcatinateTypeArg<T, ST1>::ArrayHandle,
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typename vtkm::cont::internal::detail::ConcatinateTypeArg<T, ST2>::ArrayHandle>>
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{
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};
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} // diy
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/// @endcond SERIALIZATION
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#endif //vtk_m_cont_ArrayHandleConcatenate_h
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