mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-16 17:22:55 +00:00
41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_worklet_gradient_QCriterion_h
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#define vtk_m_worklet_gradient_QCriterion_h
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#include <vtkm/worklet/WorkletMapField.h>
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namespace vtkm
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{
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namespace worklet
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{
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namespace gradient
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{
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using QCriterionTypes = vtkm::List<vtkm::Vec<vtkm::Vec3f_32, 3>, vtkm::Vec<vtkm::Vec3f_64, 3>>;
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struct QCriterion : public vtkm::worklet::WorkletMapField
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{
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using ControlSignature = void(FieldIn input, FieldOut output);
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template <typename InputType, typename OutputType>
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VTKM_EXEC void operator()(const InputType& input, OutputType& qcriterion) const
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{
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qcriterion =
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-(input[0][0] * input[0][0] + input[1][1] * input[1][1] + input[2][2] * input[2][2]) / 2 -
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(input[1][0] * input[0][1] + input[2][0] * input[0][2] + input[2][1] * input[1][2]);
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}
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};
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}
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}
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}
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#endif
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