79 lines
1.9 KiB
C++
79 lines
1.9 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.
|
|
//============================================================================
|
|
|
|
#ifndef vtk_m_worklet_MarginalizeNDHistogram_h
|
|
#define vtk_m_worklet_MarginalizeNDHistogram_h
|
|
|
|
#include <vtkm/worklet/DispatcherMapField.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
namespace histogram
|
|
{
|
|
// Set freq of the entity, which does not meet the condition, to 0
|
|
template <class BinaryCompare>
|
|
class ConditionalFreq : public vtkm::worklet::WorkletMapField
|
|
{
|
|
public:
|
|
VTKM_CONT
|
|
ConditionalFreq(BinaryCompare _bop)
|
|
: bop(_bop)
|
|
{
|
|
}
|
|
|
|
VTKM_CONT
|
|
void setVar(vtkm::Id _var) { var = _var; }
|
|
|
|
BinaryCompare bop;
|
|
vtkm::Id var;
|
|
|
|
using ControlSignature = void(FieldIn, FieldIn, FieldOut);
|
|
using ExecutionSignature = void(_1, _2, _3);
|
|
|
|
VTKM_EXEC
|
|
void operator()(const vtkm::Id& binIdIn, const vtkm::Id& freqIn, vtkm::Id& freqOut) const
|
|
{
|
|
if (bop(var, binIdIn))
|
|
freqOut = freqIn;
|
|
else
|
|
freqOut = 0;
|
|
}
|
|
};
|
|
|
|
// Convert multiple indices to 1D index
|
|
class To1DIndex : public vtkm::worklet::WorkletMapField
|
|
{
|
|
public:
|
|
using ControlSignature = void(FieldIn bin, FieldIn binIndexIn, FieldOut binIndexOut);
|
|
using ExecutionSignature = void(_1, _2, _3);
|
|
using InputDomain = _1;
|
|
|
|
vtkm::Id numberOfBins;
|
|
|
|
VTKM_CONT
|
|
To1DIndex(vtkm::Id numberOfBins0)
|
|
: numberOfBins(numberOfBins0)
|
|
{
|
|
}
|
|
|
|
VTKM_EXEC
|
|
void operator()(const vtkm::Id& bin, const vtkm::Id& binIndexIn, vtkm::Id& binIndexOut) const
|
|
{
|
|
binIndexOut = binIndexIn * numberOfBins + bin;
|
|
}
|
|
};
|
|
}
|
|
}
|
|
} // namespace vtkm::worklet
|
|
|
|
#endif // vtk_m_worklet_MarginalizeNDHistogram_h
|