mirror of
https://gitlab.kitware.com/vtk/vtk-m
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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
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//=============================================================================
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//
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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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// Copyright 2015 Sandia Corporation.
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// Copyright 2015 UT-Battelle, LLC.
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// Copyright 2015 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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// 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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//=============================================================================
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#ifndef vtk_m_cont_ArrayHandleIndex_h
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#define vtk_m_cont_ArrayHandleIndex_h
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#include <vtkm/cont/ArrayHandleImplicit.h>
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namespace vtkm {
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namespace cont {
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namespace detail {
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struct IndexFunctor {
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VTKM_EXEC_CONT_EXPORT
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vtkm::Id operator()(vtkm::Id index) const { return index; }
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};
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} // namespace detail
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/// \brief An implicit array handle containing the its own indices.
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///
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/// \c ArrayHandleIndex is an implicit array handle containing the values
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/// 0, 1, 2, 3,... to a specified size. Every value in the array is the same
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/// as the index to that value.
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///
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class ArrayHandleIndex
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: public vtkm::cont::ArrayHandleImplicit<vtkm::Id, detail::IndexFunctor>
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{
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typedef vtkm::cont::ArrayHandleImplicit<vtkm::Id, detail::IndexFunctor>
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Superclass;
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public:
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ArrayHandleIndex(vtkm::Id length = 0)
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: Superclass(detail::IndexFunctor(), length) { }
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};
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}
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} // namespace vtkm::cont
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#endif //vtk_m_cont_ArrayHandleIndex_h
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