mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 10:35:42 +00:00
75 lines
2.1 KiB
C++
75 lines
2.1 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 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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//
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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_BaseComponent_h
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#define vtk_m_BaseComponent_h
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#include <vtkm/Matrix.h>
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#include <vtkm/TypeTraits.h>
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#include <vtkm/VecTraits.h>
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namespace vtkm {
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namespace detail {
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template<typename VecType, typename DimensionalityTag>
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struct BaseComponentImpl;
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template<typename VecType>
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struct BaseComponentImpl<VecType, vtkm::TypeTraitsVectorTag>
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{
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private:
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using ComponentType = typename vtkm::VecTraits<VecType>::ComponentType;
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public:
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using Type =
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typename BaseComponentImpl<
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ComponentType,
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typename vtkm::TypeTraits<ComponentType>::DimensionalityTag
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>::Type;
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};
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template<typename VecType>
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struct BaseComponentImpl<VecType, vtkm::TypeTraitsMatrixTag>
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: BaseComponentImpl<VecType, vtkm::TypeTraitsVectorTag>
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{ };
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template<typename ScalarType>
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struct BaseComponentImpl<ScalarType, vtkm::TypeTraitsScalarTag>
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{
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using Type = ScalarType;
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};
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} // namespace detail
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// Finds the base component type of a Vec. If you have a Vec of Vecs, it will
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// descend all Vecs until you get to the scalar type.
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template<typename VecType>
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struct BaseComponent
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{
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using Type =
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typename detail::BaseComponentImpl<
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VecType,
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typename vtkm::TypeTraits<VecType>::DimensionalityTag>::Type;
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};
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} // namespace vtkm
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#endif //vtk_m_BaseComponent_h
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