46 lines
1.3 KiB
C++
46 lines
1.3 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_gradient_QCriterion_h
|
|
#define vtk_m_worklet_gradient_QCriterion_h
|
|
|
|
#include <vtkm/worklet/WorkletMapField.h>
|
|
|
|
namespace vtkm
|
|
{
|
|
namespace worklet
|
|
{
|
|
namespace gradient
|
|
{
|
|
|
|
struct QCriterionTypes
|
|
: vtkm::ListTagBase<vtkm::Vec<vtkm::Vec3f_32, 3>, vtkm::Vec<vtkm::Vec3f_64, 3>>
|
|
{
|
|
};
|
|
|
|
struct QCriterion : public vtkm::worklet::WorkletMapField
|
|
{
|
|
using ControlSignature = void(FieldIn input, FieldOut output);
|
|
using ExecutionSignature = void(_1, _2);
|
|
using InputDomain = _1;
|
|
|
|
template <typename InputType, typename OutputType>
|
|
VTKM_EXEC void operator()(const InputType& input, OutputType& qcriterion) const
|
|
{
|
|
qcriterion =
|
|
-(input[0][0] * input[0][0] + input[1][1] * input[1][1] + input[2][2] * input[2][2]) / 2 -
|
|
(input[1][0] * input[0][1] + input[2][0] * input[0][2] + input[2][1] * input[1][2]);
|
|
}
|
|
};
|
|
}
|
|
}
|
|
}
|
|
#endif
|