vtk-m2/vtkm/worklet/contourtree/ResetDegrees.h
2017-01-09 13:54:47 -07:00

78 lines
2.4 KiB
C++

//============================================================================
// 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 2014 Sandia Corporation.
// Copyright 2014 UT-Battelle, LLC.
// Copyright 2014 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.
//============================================================================
//=======================================================================================
//
// Second Attempt to Compute Contour Tree in Data-Parallel Mode
//
// Started August 19, 2015
//
// Copyright Hamish Carr, University of Leeds
//
// ResetDegrees.h - functor that performs conditional chain-doubling
//
//=======================================================================================
//
// COMMENTS:
//
//
//=======================================================================================
#ifndef vtkm_worklet_contourtree_reset_degrees_h
#define vtkm_worklet_contourtree_reset_degrees_h
#include <vtkm/worklet/WorkletMapField.h>
#include <vtkm/exec/ExecutionWholeArray.h>
namespace vtkm {
namespace worklet {
namespace contourtree {
// Worklet for doing regular to candidate
class ResetDegrees : public vtkm::worklet::WorkletMapField
{
public:
typedef void ControlSignature(FieldIn<IdType> superID, // input
WholeArrayOut<IdType> updegree, // output
WholeArrayOut<IdType> downdegree); // output
typedef void ExecutionSignature(_1, _2, _3);
typedef _1 InputDomain;
// Constructor
VTKM_EXEC_CONT
ResetDegrees() {}
template <typename OutFieldPortalType>
VTKM_EXEC
void operator()(const vtkm::Id& superId,
const OutFieldPortalType& updegree,
const OutFieldPortalType& downdegree) const
{
updegree.Set(superId, 0);
downdegree.Set(superId, 0);
}
}; // ResetDegrees
}
}
}
#endif