mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
80 lines
2.7 KiB
C++
80 lines
2.7 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_FieldRangeGlobalCompute_h
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#define vtk_m_cont_FieldRangeGlobalCompute_h
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#include <vtkm/cont/FieldRangeCompute.h>
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#include <vtkm/cont/FieldRangeGlobalCompute.hxx>
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namespace vtkm
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{
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namespace cont
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{
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/// \brief utility functions to compute global ranges for dataset fields.
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///
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/// These functions compute global ranges for fields in a dataset or a multiblock.
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/// In non-distributed environments, this is exactly same as `FieldRangeCompute`. In
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/// distributed environments, however, the range is computed locally on each rank
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/// and then a reduce-all collective is performed to reduces the ranges on all ranks.
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//{@
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/// Returns the range for a field from a dataset. If the field is not present, an empty
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/// ArrayHandle will be returned.
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VTKM_CONT_EXPORT
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VTKM_CONT
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vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeGlobalCompute(
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const vtkm::cont::DataSet& dataset,
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const std::string& name,
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vtkm::cont::Field::Association assoc = vtkm::cont::Field::Association::ANY);
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template <typename TypeList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeGlobalCompute(
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const vtkm::cont::DataSet& dataset,
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const std::string& name,
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vtkm::cont::Field::Association assoc,
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TypeList)
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{
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VTKM_IS_LIST_TAG(TypeList);
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return detail::FieldRangeGlobalComputeImpl(dataset, name, assoc, TypeList());
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}
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//@}
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//{@
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/// Returns the range for a field from a multiblock. If the field is not present on any
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/// of the blocks, an empty ArrayHandle will be returned. If the field is present on some blocks,
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/// but not all, those blocks without the field are skipped.
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///
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/// The returned array handle will have as many values as the maximum number of components for
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/// the selected field across all blocks.
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VTKM_CONT_EXPORT
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VTKM_CONT
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vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeGlobalCompute(
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const vtkm::cont::MultiBlock& multiblock,
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const std::string& name,
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vtkm::cont::Field::Association assoc = vtkm::cont::Field::Association::ANY);
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template <typename TypeList>
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VTKM_CONT vtkm::cont::ArrayHandle<vtkm::Range> FieldRangeGlobalCompute(
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const vtkm::cont::MultiBlock& multiblock,
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const std::string& name,
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vtkm::cont::Field::Association assoc,
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TypeList)
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{
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VTKM_IS_LIST_TAG(TypeList);
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return detail::FieldRangeGlobalComputeImpl(multiblock, name, assoc, TypeList());
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}
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//@}
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}
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} // namespace vtkm::cont
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#endif
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