Acceleration.hpp

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#pragma once
 
#include <Eigen/Core>
#include <map>
#include <vector>
 
#include "cplscheme/BaseCouplingScheme.hpp"
#include "cplscheme/SharedPointer.hpp"
 
namespace precice::io {
class TXTWriter;
class TXTReader;
} // namespace precice::io
 
namespace precice::acceleration {
 
class Acceleration {
public:
  static const int NOFILTER      = 0;
  static const int QR1FILTER     = 1;
  static const int QR1FILTER_ABS = 2;
  static const int QR2FILTER     = 3;
  static const int PODFILTER     = 4;
  static const int QR3FILTER     = 5;

  using DataMap = std::map<int, cplscheme::PtrCouplingData>;
 
  virtual ~Acceleration() = default;
 
  virtual std::vector<int> getPrimaryDataIDs() const = 0;
 
  virtual void initialize(const DataMap &cpldata) = 0;
 
  virtual void performAcceleration(DataMap &cpldata, double windowStart, double windowEnd) = 0;
 
  virtual void iterationsConverged(const DataMap &cpldata, double windowStart) = 0;
 
  virtual void exportState(io::TXTWriter &writer) {}
 
  virtual void importState(io::TXTReader &reader) {}
 
protected:
  void checkDataIDs(const DataMap &cplData) const;

  static void applyRelaxation(double omega, DataMap &cplData, double windowStart);
};
} // namespace precice::acceleration