81 lines
2.5 KiB
C++
81 lines
2.5 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 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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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-NA0003525 with NTESS,
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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_FieldRangeCompute_hxx
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#define vtk_m_cont_FieldRangeCompute_hxx
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#include <numeric> // for std::accumulate
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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 detail
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{
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VTKM_CONT
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vtkm::cont::ArrayHandle<vtkm::Range> MergeRanges(const vtkm::cont::ArrayHandle<vtkm::Range>& a,
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const vtkm::cont::ArrayHandle<vtkm::Range>& b);
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeComputeImpl(
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const vtkm::cont::DataSet& dataset,
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const std::string& name,
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vtkm::cont::Field::AssociationEnum assoc,
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TypeList,
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StorageList)
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{
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vtkm::cont::Field field;
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try
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{
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field = dataset.GetField(name, assoc);
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}
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catch (vtkm::cont::ErrorBadValue&)
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{
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// field missing, return empty range.
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return vtkm::cont::ArrayHandle<vtkm::Range>();
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}
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return field.GetRange(TypeList(), StorageList());
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}
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template <typename TypeList, typename StorageList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeComputeImpl(
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const vtkm::cont::MultiBlock& multiblock,
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const std::string& name,
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vtkm::cont::Field::AssociationEnum assoc,
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TypeList,
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StorageList)
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{
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return std::accumulate(
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multiblock.begin(),
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multiblock.end(),
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vtkm::cont::ArrayHandle<vtkm::Range>(),
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[&](const vtkm::cont::ArrayHandle<vtkm::Range>& val, const vtkm::cont::DataSet& dataset) {
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auto cur_range =
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vtkm::cont::detail::FieldRangeComputeImpl(dataset, name, assoc, TypeList(), StorageList());
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return vtkm::cont::detail::MergeRanges(val, cur_range);
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});
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}
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}
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}
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} // namespace vtkm::cont::detail
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#endif
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