ResidualSumPreconditioner.hpp

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#pragma once
 
#include <Eigen/Core>
#include <stddef.h>
#include <string>
#include <vector>
#include "acceleration/impl/Preconditioner.hpp"
#include "logging/Logger.hpp"
 
namespace precice {
namespace acceleration {
namespace impl {
 
class ResidualSumPreconditioner : public Preconditioner {
public:
  ResidualSumPreconditioner(int maxNonConstTimeWindows);
  virtual ~ResidualSumPreconditioner() {}
 
  virtual void initialize(std::vector<size_t> &svs);
 
private:
  virtual void _update_(bool timeWindowComplete, const Eigen::VectorXd &oldValues, const Eigen::VectorXd &res);
 
  logging::Logger _log{"acceleration::ResidualSumPreconditioner"};
 
  std::vector<double> _residualSum;
};
 
} // namespace impl
} // namespace acceleration
} // namespace precice