2017-09-28 20:45:51 +00:00
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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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// 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 2017 National Technology & Engineering Solutions of Sandia, LLC (NTESS).
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// Copyright 2017 UT-Battelle, LLC.
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// Copyright 2017 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_exec_CellInside_h
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#define vtk_m_exec_CellInside_h
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#include <vtkm/CellShape.h>
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#include <vtkm/Types.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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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>&, vtkm::CellShapeTagEmpty)
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{
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return false;
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagVertex)
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{
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return pcoords[0] == T(0) && pcoords[1] == T(0) && pcoords[2] == T(0);
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagLine)
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{
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return pcoords[0] >= T(0) && pcoords[0] <= T(1);
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagTriangle)
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{
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return pcoords[0] >= T(0) && pcoords[1] >= T(0) && (pcoords[0] + pcoords[1] <= T(1));
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagPolygon)
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{
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return ((pcoords[0] - T(0.5)) * (pcoords[0] - T(0.5))) +
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((pcoords[1] - T(0.5)) * (pcoords[1] - T(0.5))) <=
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T(0.25);
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagQuad)
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{
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return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1);
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagTetra)
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{
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return pcoords[0] >= T(0) && pcoords[1] >= T(0) && pcoords[2] >= T(0) &&
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(pcoords[0] + pcoords[1] + pcoords[2] <= T(1));
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords,
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vtkm::CellShapeTagHexahedron)
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{
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return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1) &&
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pcoords[2] >= T(0) && pcoords[2] <= T(1);
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagWedge)
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{
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return pcoords[0] >= T(0) && pcoords[1] >= T(0) && pcoords[2] >= T(0) && pcoords[2] <= T(1) &&
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(pcoords[0] + pcoords[1] <= T(1));
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}
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords, vtkm::CellShapeTagPyramid)
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{
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return pcoords[0] >= T(0) && pcoords[0] <= T(1) && pcoords[1] >= T(0) && pcoords[1] <= T(1) &&
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pcoords[2] >= T(0) && pcoords[2] <= T(1);
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}
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2018-03-20 18:53:39 +00:00
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/// Checks if the parametric coordinates `pcoords` are on the inside for the
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2017-09-28 20:45:51 +00:00
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/// specified cell type.
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///
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template <typename T>
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static inline VTKM_EXEC bool CellInside(const vtkm::Vec<T, 3>& pcoords,
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vtkm::CellShapeTagGeneric shape)
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{
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bool result = false;
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switch (shape.Id)
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{
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vtkmGenericCellShapeMacro(result = CellInside(pcoords, CellShapeTag()));
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default:
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break;
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}
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return result;
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}
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}
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} // vtkm::exec
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#endif // vtk_m_exec_CellInside_h
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