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https://gitlab.kitware.com/vtk/vtk-m
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4c781374c2
-- Remove virtuals from Integrators, Fields, Particles -- Remaining virtuals are in the CellInterpolationHelpers
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
//=============================================================================
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//
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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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//=============================================================================
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#ifndef vtk_m_worklet_particleadvection_EulerIntegrator_h
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#define vtk_m_worklet_particleadvection_EulerIntegrator_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 particleadvection
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{
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template <typename EvaluatorType>
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class ExecEulerIntegrator
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{
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public:
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VTKM_EXEC_CONT
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ExecEulerIntegrator(const EvaluatorType& evaluator)
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: Evaluator(evaluator)
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{
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}
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template <typename Particle>
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VTKM_EXEC IntegratorStatus CheckStep(Particle& particle,
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vtkm::FloatDefault stepLength,
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vtkm::Vec3f& velocity) const
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{
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auto time = particle.Time;
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auto inpos = particle.Pos;
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vtkm::VecVariable<vtkm::Vec3f, 2> vectors;
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GridEvaluatorStatus status = this->Evaluator.Evaluate(inpos, time, vectors);
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if (status.CheckOk())
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velocity = particle.Velocity(vectors, stepLength);
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return IntegratorStatus(status);
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}
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private:
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EvaluatorType Evaluator;
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};
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template <typename EvaluatorType>
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class EulerIntegrator
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{
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private:
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EvaluatorType Evaluator;
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public:
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EulerIntegrator() = default;
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VTKM_CONT
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EulerIntegrator(const EvaluatorType& evaluator)
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: Evaluator(evaluator)
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{
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}
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VTKM_CONT auto PrepareForExecution(vtkm::cont::DeviceAdapterId device,
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vtkm::cont::Token& token) const
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-> ExecEulerIntegrator<decltype(this->Evaluator.PrepareForExecution(device, token))>
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{
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auto evaluator = this->Evaluator.PrepareForExecution(device, token);
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using ExecEvaluatorType = decltype(evaluator);
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return ExecEulerIntegrator<ExecEvaluatorType>(evaluator);
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}
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}; //EulerIntegrator
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} //namespace particleadvection
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} //namespace worklet
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} //namespace vtkm
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#endif // vtk_m_worklet_particleadvection_EulerIntegrator_h
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