Tracer.h

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// This file is part of the Peano project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
#include "peano4/datamanagement/CellMarker.h"
#include "peano4/utils/Globals.h"
 
// #include <concepts>
 
namespace toolbox {
  namespace particles {
    template <typename Particle>
    void staticPosition(const Particle& particle, double timeStepSize) {}
 
    template <typename ParticleAccessor>
    concept ParticleTimeSteppingAccessor = requires { typename ParticleAccessor::Particle; };
 
    /*
 
     //(ParticleAccessor accessor, ) {
 
          accessor.x(Particle&)       -> tarch::la::Vector< Dimensions, double>&;
          accessor.x(const Particle&) -> const tarch::la::Vector< Dimensions, double>&;
 
          accessor.v(Particle&)       -> tarch::la::Vector< Dimensions, double>&;
          accessor.v(const Particle&) -> const tarch::la::Vector< Dimensions, double>&;
    */
    //    };
 
    template <typename Particle>
    struct ParticleAccessorIdentity {
      static tarch::la::Vector<Dimensions, double>& x(Particle& particle) { return particle.x(); }
 
      static const tarch::la::Vector<Dimensions, double>& x(const Particle& particle) { return particle.x(); }
 
      static tarch::la::Vector<Dimensions, double>& v(Particle& particle) { return particle.v(); }
 
      static const tarch::la::Vector<Dimensions, double>& v(const Particle& particle) { return particle.v(); }
    };
 
    template <typename Particle>
    void explicitEuler(Particle& particle, double timeStepSize);
  } // namespace particles
} // namespace toolbox
 
// #include "Tracer.cpph"