ExchangeBranchEndsFunctor.h

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//============================================================================
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//
//  This software is distributed WITHOUT ANY WARRANTY; without even
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//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
// Copyright (c) 2018, The Regents of the University of California, through
// Lawrence Berkeley National Laboratory (subject to receipt of any required approvals
// from the U.S. Dept. of Energy).  All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// (1) Redistributions of source code must retain the above copyright notice, this
//     list of conditions and the following disclaimer.
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//     this list of conditions and the following disclaimer in the documentation
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// (3) Neither the name of the University of California, Lawrence Berkeley National
//     Laboratory, U.S. Dept. of Energy nor the names of its contributors may be
//     used to endorse or promote products derived from this software without
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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//=============================================================================
//
//  This code is an extension of the algorithm presented in the paper:
//  Parallel Peak Pruning for Scalable SMP Contour Tree Computation.
//  Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
//  Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
//  (LDAV), October 2016, Baltimore, Maryland.
//
//  The PPP2 algorithm and software were jointly developed by
//  Hamish Carr (University of Leeds), Gunther H. Weber (LBNL), and
//  Oliver Ruebel (LBNL)
//==============================================================================
 
#ifndef vtk_m_filter_scalar_topology_internal_ExchangeBranchEndsFunctor_h
#define vtk_m_filter_scalar_topology_internal_ExchangeBranchEndsFunctor_h
 
#include <vtkm/filter/scalar_topology/internal/BranchDecompositionBlock.h>
 
// clang-format off
VTKM_THIRDPARTY_PRE_INCLUDE
#include <vtkm/thirdparty/diy/diy.h>
VTKM_THIRDPARTY_POST_INCLUDE
// clang-format on
 
 
namespace vtkm
{
namespace filter
{
namespace scalar_topology
{
namespace internal
{
 
struct ExchangeBranchEndsFunctor
{
  VTKM_CONT void operator()(
    BranchDecompositionBlock* b,
    const vtkmdiy::ReduceProxy& rp,     // communication proxy
    const vtkmdiy::RegularSwapPartners& // partners of the current block (unused)
  ) const;
};
 
} // namespace internal
} // namespace scalar_topology
} // namespace filter
} // namespace vtkm
 
#endif