vtk-m/vtkm/worklet/gradient/Vorticity.h
2019-12-06 15:37:46 -07:00

43 lines
1.1 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_Vorticity_h
#define vtk_m_worklet_gradient_Vorticity_h
#include <vtkm/worklet/WorkletMapField.h>
namespace vtkm
{
namespace worklet
{
namespace gradient
{
using VorticityTypes = vtkm::List<vtkm::Vec<vtkm::Vec3f_32, 3>, vtkm::Vec<vtkm::Vec3f_64, 3>>;
struct Vorticity : public vtkm::worklet::WorkletMapField
{
using ControlSignature = void(FieldIn input, FieldOut output);
template <typename InputType, typename OutputType>
VTKM_EXEC void operator()(const InputType& input, OutputType& vorticity) const
{
vorticity[0] = input[1][2] - input[2][1];
vorticity[1] = input[2][0] - input[0][2];
vorticity[2] = input[0][1] - input[1][0];
}
};
}
}
}
#endif