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vtk-m/vtkm/exec/CellFace.h

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Add CellFace functions These provide the general ability to get the faces for each cell type.
2016-12-02 01:44:50 +00:00
//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//
// Copyright 2016 Sandia Corporation.
// Copyright 2016 UT-Battelle, LLC.
// Copyright 2016 Los Alamos National Security.
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
// Laboratory (LANL), the U.S. Government retains certain rights in
// this software.
//============================================================================
#ifndef vtk_m_exec_CellFace_h
#define vtk_m_exec_CellFace_h
#include <vtkm/Assert.h>
#include <vtkm/CellShape.h>
#include <vtkm/Types.h>
#include <vtkm/exec/FunctorBase.h>
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#include <vtkm/internal/Assume.h>
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namespace vtkm
{
namespace exec
{
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namespace detail
{
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static const vtkm::IdComponent MAX_FACE_SIZE = 4;
static const vtkm::IdComponent MAX_NUM_FACES = 6;
VTKM_EXEC_CONSTANT
static const vtkm::IdComponent NumFaces[vtkm::NUMBER_OF_CELL_SHAPES] = {
0, // 0: CELL_SHAPE_EMPTY
0, // 1: CELL_SHAPE_VERTEX
0, // 2: Unused
0, // 3: CELL_SHAPE_LINE
0, // 4: Unused
0, // 5: CELL_SHAPE_TRIANGLE
0, // 6: Unused
0, // 7: CELL_SHAPE_POLYGON
0, // 8: Unused
0, // 9: CELL_SHAPE_QUAD
4, // 10: CELL_SHAPE_TETRA
0, // 11: Unused
6, // 12: CELL_SHAPE_HEXAHEDRON
5, // 13: CELL_SHAPE_WEDGE
5 // 14: CELL_SHAPE_PYRAMID
};
VTKM_EXEC_CONSTANT
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static const vtkm::IdComponent NumPointsInFace[vtkm::NUMBER_OF_CELL_SHAPES][MAX_NUM_FACES] = {
{ -1, -1, -1, -1, -1, -1 }, // 0: CELL_SHAPE_EMPTY
{ -1, -1, -1, -1, -1, -1 }, // 1: CELL_SHAPE_VERTEX
{ -1, -1, -1, -1, -1, -1 }, // 2: Unused
{ -1, -1, -1, -1, -1, -1 }, // 3: CELL_SHAPE_LINE
{ -1, -1, -1, -1, -1, -1 }, // 4: Unused
{ -1, -1, -1, -1, -1, -1 }, // 5: CELL_SHAPE_TRIANGLE
{ -1, -1, -1, -1, -1, -1 }, // 6: Unused
{ -1, -1, -1, -1, -1, -1 }, // 7: CELL_SHAPE_POLYGON
{ -1, -1, -1, -1, -1, -1 }, // 8: Unused
{ -1, -1, -1, -1, -1, -1 }, // 9: CELL_SHAPE_QUAD
{ 3, 3, 3, 3, -1, -1 }, // 10: CELL_SHAPE_TETRA
{ -1, -1, -1, -1, -1, -1 }, // 11: Unused
{ 4, 4, 4, 4, 4, 4 }, // 12: CELL_SHAPE_HEXAHEDRON
{ 3, 3, 4, 4, 4, -1 }, // 13: CELL_SHAPE_WEDGE
{ 4, 3, 3, 3, 3, -1 } // 14: CELL_SHAPE_PYRAMID
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};
VTKM_EXEC_CONSTANT
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static const vtkm::IdComponent PointsInFace[vtkm::NUMBER_OF_CELL_SHAPES][MAX_NUM_FACES]
[MAX_FACE_SIZE] = {
// 0: CELL_SHAPE_EMPTY
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 1: CELL_SHAPE_VERTEX
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 2: Unused
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 3: CELL_SHAPE_LINE
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 4: Unused
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 5: CELL_SHAPE_TRIANGLE
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 6: Unused
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 7: CELL_SHAPE_POLYGON
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 8: Unused
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 9: CELL_SHAPE_QUAD
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 10: CELL_SHAPE_TETRA
{ { 0, 1, 3, -1 },
{ 1, 2, 3, -1 },
{ 2, 0, 3, -1 },
{ 0, 2, 1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 11: Unused
{ { -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 },
{ -1, -1, -1, -1 } },
// 12: CELL_SHAPE_HEXAHEDRON
{ { 0, 4, 7, 3 },
{ 1, 2, 6, 5 },
{ 0, 1, 5, 4 },
{ 3, 7, 6, 2 },
{ 0, 3, 2, 1 },
{ 4, 5, 6, 7 } },
// 13: CELL_SHAPE_WEDGE
{ { 0, 1, 2, -1 },
{ 3, 5, 4, -1 },
{ 0, 3, 4, 1 },
{ 1, 4, 5, 2 },
{ 2, 5, 3, 0 },
{ -1, -1, -1, -1 } },
// 14: CELL_SHAPE_PYRAMID
{ { 0, 3, 2, 1 },
{ 0, 1, 4, -1 },
{ 1, 2, 4, -1 },
{ 2, 3, 4, -1 },
{ 3, 0, 4, -1 },
{ -1, -1, -1, -1 } }
};
Add CellFace functions These provide the general ability to get the faces for each cell type.
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} // namespace detail
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template <typename CellShapeTag>
static inline VTKM_EXEC vtkm::IdComponent CellFaceNumberOfFaces(CellShapeTag shape,
const vtkm::exec::FunctorBase&)
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{
return detail::NumFaces[shape.Id];
}
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template <typename CellShapeTag>
static inline VTKM_EXEC vtkm::IdComponent CellFaceNumberOfPoints(
Respect VTK-m convention of parameters all or nothing on a line clang-format BinPack settings have been disabled to make sure that the VTK-m style guideline is obeyed.
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vtkm::IdComponent faceIndex,
CellShapeTag shape,
const vtkm::exec::FunctorBase& worklet)
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{
VTKM_ASSUME(faceIndex >= 0);
VTKM_ASSUME(faceIndex < detail::MAX_NUM_FACES);
if (faceIndex >= vtkm::exec::CellFaceNumberOfFaces(shape, worklet))
{
worklet.RaiseError("Invalid face number.");
return 0;
}
return detail::NumPointsInFace[shape.Id][faceIndex];
}
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template <typename CellShapeTag>
Respect VTK-m convention of parameters all or nothing on a line clang-format BinPack settings have been disabled to make sure that the VTK-m style guideline is obeyed.
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static inline VTKM_EXEC vtkm::UInt8 CellFaceShape(vtkm::IdComponent faceIndex,
CellShapeTag shape,
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const vtkm::exec::FunctorBase& worklet)
Update ExternalFaces to support mixed face types Previously, ExternalFaces really only supported tetrahedral meshes that have only triangular faces. These changes support all mixes of cells and their faces.
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{
VTKM_ASSUME(faceIndex >= 0);
VTKM_ASSUME(faceIndex < detail::MAX_NUM_FACES);
switch (CellFaceNumberOfPoints(faceIndex, shape, worklet))
{
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case 3:
return vtkm::CELL_SHAPE_TRIANGLE;
case 4:
return vtkm::CELL_SHAPE_QUAD;
default:
return vtkm::CELL_SHAPE_POLYGON;
Update ExternalFaces to support mixed face types Previously, ExternalFaces really only supported tetrahedral meshes that have only triangular faces. These changes support all mixes of cells and their faces.
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}
}
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template <typename CellShapeTag>
static inline VTKM_EXEC vtkm::VecCConst<vtkm::IdComponent> CellFaceLocalIndices(
Respect VTK-m convention of parameters all or nothing on a line clang-format BinPack settings have been disabled to make sure that the VTK-m style guideline is obeyed.
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vtkm::IdComponent faceIndex,
CellShapeTag shape,
const vtkm::exec::FunctorBase& worklet)
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{
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vtkm::IdComponent numPointsInFace = vtkm::exec::CellFaceNumberOfPoints(faceIndex, shape, worklet);
Add CellFace functions These provide the general ability to get the faces for each cell type.
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if (numPointsInFace < 1)
{
// An invalid face. We should already have gotten an error from
// CellFaceNumberOfPoints.
return vtkm::VecCConst<vtkm::IdComponent>();
}
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return vtkm::make_VecC(detail::PointsInFace[shape.Id][faceIndex], numPointsInFace);
Add CellFace functions These provide the general ability to get the faces for each cell type.
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}
}
} // namespace vtkm::exec
#endif //vtk_m_exec_CellFace_h
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