mirror of
https://gitlab.kitware.com/vtk/vtk-m
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Somewhere during this edit I removed a header file that didn't strictly need to be there. This caused me to have to add ```cpp ``` in several places in the code.
253 lines
7.6 KiB
C++
253 lines
7.6 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_exec_ConnectivityExtrude_h
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#define vtk_m_exec_ConnectivityExtrude_h
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#include <vtkm/internal/IndicesExtrude.h>
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#include <vtkm/CellShape.h>
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#include <vtkm/cont/ArrayHandle.h>
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#include <vtkm/exec/arg/ThreadIndicesTopologyMap.h>
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namespace vtkm
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{
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namespace exec
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{
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class VTKM_ALWAYS_EXPORT ConnectivityExtrude
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{
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private:
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using Int32HandleType = vtkm::cont::ArrayHandle<vtkm::Int32>;
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using Int32PortalType = typename Int32HandleType::ReadPortalType;
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public:
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using ConnectivityPortalType = Int32PortalType;
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using NextNodePortalType = Int32PortalType;
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using SchedulingRangeType = vtkm::Id2;
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using CellShapeTag = vtkm::CellShapeTagWedge;
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using IndicesType = IndicesExtrude;
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ConnectivityExtrude() = default;
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ConnectivityExtrude(const ConnectivityPortalType& conn,
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const NextNodePortalType& nextnode,
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vtkm::Int32 cellsPerPlane,
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vtkm::Int32 pointsPerPlane,
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vtkm::Int32 numPlanes,
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bool periodic);
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VTKM_EXEC
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vtkm::Id GetNumberOfElements() const { return this->NumberOfCells; }
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VTKM_EXEC
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CellShapeTag GetCellShape(vtkm::Id) const { return vtkm::CellShapeTagWedge(); }
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VTKM_EXEC
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IndicesType GetIndices(vtkm::Id index) const
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{
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return this->GetIndices(this->FlatToLogicalToIndex(index));
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}
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VTKM_EXEC
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IndicesType GetIndices(const vtkm::Id2& index) const;
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template <typename IndexType>
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VTKM_EXEC vtkm::IdComponent GetNumberOfIndices(const IndexType& vtkmNotUsed(index)) const
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{
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return 6;
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}
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VTKM_EXEC
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vtkm::Id LogicalToFlatToIndex(const vtkm::Id2& index) const
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{
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return index[0] + (index[1] * this->NumberOfCellsPerPlane);
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};
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VTKM_EXEC
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vtkm::Id2 FlatToLogicalToIndex(vtkm::Id index) const
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{
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const vtkm::Id cellId = index % this->NumberOfCellsPerPlane;
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const vtkm::Id plane = index / this->NumberOfCellsPerPlane;
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return vtkm::Id2(cellId, plane);
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}
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private:
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ConnectivityPortalType Connectivity;
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NextNodePortalType NextNode;
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vtkm::Int32 NumberOfCellsPerPlane;
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vtkm::Int32 NumberOfPointsPerPlane;
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vtkm::Int32 NumberOfPlanes;
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vtkm::Id NumberOfCells;
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};
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class ReverseConnectivityExtrude
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{
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private:
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using Int32HandleType = vtkm::cont::ArrayHandle<vtkm::Int32>;
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using Int32PortalType = typename Int32HandleType::ReadPortalType;
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public:
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using ConnectivityPortalType = Int32PortalType;
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using OffsetsPortalType = Int32PortalType;
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using CountsPortalType = Int32PortalType;
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using PrevNodePortalType = Int32PortalType;
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using SchedulingRangeType = vtkm::Id2;
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using CellShapeTag = vtkm::CellShapeTagVertex;
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using IndicesType = ReverseIndicesExtrude<ConnectivityPortalType>;
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ReverseConnectivityExtrude() = default;
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VTKM_EXEC
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ReverseConnectivityExtrude(const ConnectivityPortalType& conn,
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const OffsetsPortalType& offsets,
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const CountsPortalType& counts,
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const PrevNodePortalType& prevNode,
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vtkm::Int32 cellsPerPlane,
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vtkm::Int32 pointsPerPlane,
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vtkm::Int32 numPlanes);
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VTKM_EXEC
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vtkm::Id GetNumberOfElements() const
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{
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return this->NumberOfPointsPerPlane * this->NumberOfPlanes;
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}
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VTKM_EXEC
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CellShapeTag GetCellShape(vtkm::Id) const { return vtkm::CellShapeTagVertex(); }
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/// Returns a Vec-like object containing the indices for the given index.
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/// The object returned is not an actual array, but rather an object that
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/// loads the indices lazily out of the connectivity array. This prevents
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/// us from having to know the number of indices at compile time.
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///
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VTKM_EXEC
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IndicesType GetIndices(vtkm::Id index) const
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{
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return this->GetIndices(this->FlatToLogicalToIndex(index));
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}
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VTKM_EXEC
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IndicesType GetIndices(const vtkm::Id2& index) const;
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template <typename IndexType>
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VTKM_EXEC vtkm::IdComponent GetNumberOfIndices(const IndexType& vtkmNotUsed(index)) const
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{
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return 1;
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}
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VTKM_EXEC
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vtkm::Id LogicalToFlatToIndex(const vtkm::Id2& index) const
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{
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return index[0] + (index[1] * this->NumberOfPointsPerPlane);
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};
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VTKM_EXEC
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vtkm::Id2 FlatToLogicalToIndex(vtkm::Id index) const
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{
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const vtkm::Id vertId = index % this->NumberOfPointsPerPlane;
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const vtkm::Id plane = index / this->NumberOfPointsPerPlane;
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return vtkm::Id2(vertId, plane);
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}
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ConnectivityPortalType Connectivity;
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OffsetsPortalType Offsets;
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CountsPortalType Counts;
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PrevNodePortalType PrevNode;
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vtkm::Int32 NumberOfCellsPerPlane;
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vtkm::Int32 NumberOfPointsPerPlane;
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vtkm::Int32 NumberOfPlanes;
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};
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inline ConnectivityExtrude::ConnectivityExtrude(const ConnectivityPortalType& conn,
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const ConnectivityPortalType& nextNode,
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vtkm::Int32 cellsPerPlane,
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vtkm::Int32 pointsPerPlane,
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vtkm::Int32 numPlanes,
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bool periodic)
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: Connectivity(conn)
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, NextNode(nextNode)
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, NumberOfCellsPerPlane(cellsPerPlane)
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, NumberOfPointsPerPlane(pointsPerPlane)
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, NumberOfPlanes(numPlanes)
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{
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this->NumberOfCells = periodic ? (static_cast<vtkm::Id>(cellsPerPlane) * numPlanes)
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: (static_cast<vtkm::Id>(cellsPerPlane) * (numPlanes - 1));
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}
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VTKM_EXEC inline ConnectivityExtrude::IndicesType ConnectivityExtrude::GetIndices(
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const vtkm::Id2& index) const
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{
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vtkm::Id tr = index[0];
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vtkm::Id p0 = index[1];
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vtkm::Id p1 = (p0 < (this->NumberOfPlanes - 1)) ? (p0 + 1) : 0;
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vtkm::Vec3i_32 pointIds1, pointIds2;
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for (int i = 0; i < 3; ++i)
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{
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pointIds1[i] = this->Connectivity.Get((tr * 3) + i);
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pointIds2[i] = this->NextNode.Get(pointIds1[i]);
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}
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return IndicesType(pointIds1,
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static_cast<vtkm::Int32>(p0),
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pointIds2,
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static_cast<vtkm::Int32>(p1),
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this->NumberOfPointsPerPlane);
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}
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VTKM_EXEC inline ReverseConnectivityExtrude::ReverseConnectivityExtrude(
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const ConnectivityPortalType& conn,
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const OffsetsPortalType& offsets,
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const CountsPortalType& counts,
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const PrevNodePortalType& prevNode,
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vtkm::Int32 cellsPerPlane,
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vtkm::Int32 pointsPerPlane,
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vtkm::Int32 numPlanes)
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: Connectivity(conn)
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, Offsets(offsets)
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, Counts(counts)
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, PrevNode(prevNode)
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, NumberOfCellsPerPlane(cellsPerPlane)
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, NumberOfPointsPerPlane(pointsPerPlane)
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, NumberOfPlanes(numPlanes)
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{
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}
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VTKM_EXEC inline ReverseConnectivityExtrude::IndicesType ReverseConnectivityExtrude::GetIndices(
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const vtkm::Id2& index) const
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{
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auto ptCur = index[0];
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auto ptPre = this->PrevNode.Get(ptCur);
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auto plCur = index[1];
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auto plPre = (plCur == 0) ? (this->NumberOfPlanes - 1) : (plCur - 1);
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return IndicesType(this->Connectivity,
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this->Offsets.Get(ptPre),
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this->Counts.Get(ptPre),
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this->Offsets.Get(ptCur),
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this->Counts.Get(ptCur),
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static_cast<vtkm::IdComponent>(plPre),
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static_cast<vtkm::IdComponent>(plCur),
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this->NumberOfCellsPerPlane);
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}
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}
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} // namespace vtkm::exec
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#endif
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