indicator.h

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//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Copyright (C) 2023 - 2024 by the ryujin authors
//
 
#pragma once
 
#include <compile_time_options.h>
 
#include "hyperbolic_system.h"
 
#include <multicomponent_vector.h>
#include <simd.h>
 
#include <deal.II/base/parameter_acceptor.h>
#include <deal.II/base/vectorization.h>
 
 
namespace ryujin
{
  namespace Skeleton
  {
    template <typename ScalarNumber = double>
    class IndicatorParameters : public dealii::ParameterAcceptor
    {
    public:
      IndicatorParameters(const std::string &subsection = "/Indicator")
          : ParameterAcceptor(subsection)
      {
      }
    };
 
 
    template <int dim, typename Number = double>
    class Indicator
    {
    public:
 
      using View = HyperbolicSystemView<dim, Number>;
 
      using ScalarNumber = typename View::ScalarNumber;
 
      using state_type = typename View::state_type;
 
      using PrecomputedVector = typename View::PrecomputedVector;
 
      using Parameters = IndicatorParameters<ScalarNumber>;
 
 
 
      Indicator(const HyperbolicSystem &hyperbolic_system,
                const Parameters &parameters,
                const PrecomputedVector &precomputed_values)
          : hyperbolic_system(hyperbolic_system)
          , parameters(parameters)
          , precomputed_values(precomputed_values)
      {
      }
 
      void reset(const unsigned int /*i*/, const state_type & /*U_i*/)
      {
        // empty
      }
 
      void accumulate(const unsigned int * /*js*/,
                      const state_type & /*U_j*/,
                      const dealii::Tensor<1, dim, Number> & /*c_ij*/)
      {
        // empty
      }
 
      Number alpha(const Number /*h_i*/) const
      {
        return Number(0.);
      }
 
 
    private:
 
      const HyperbolicSystem &hyperbolic_system;
      const Parameters &parameters;
      const PrecomputedVector &precomputed_values;
 
    };
  } // namespace Skeleton
} // namespace ryujin