codac2_Grid.h

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#pragma once
 
#include <fstream>
#include "codac2_IntervalVector.h"
 
namespace codac2
{
  using GridBox = IntervalVector;
 
  class Grid
  {
    public:
 
      Grid(std::ifstream& f);
      Grid(const Vector& dx, const Vector& origin);
      Grid(const Vector& dx, const Vector& origin, const Eigen::Matrix<int,-1,1>& local_shift);
 
      size_t dim() const;
 
      const Vector& dx() const;
      const Vector& origin() const;
      const Eigen::Matrix<int,-1,1>& local_shift() const;
 
      std::pair<GridBox,GridBox> bisect(const GridBox& x) const;
      
      IntervalVector to_reals(const GridBox& x, bool local_indices = true) const;
      GridBox to_grid(const IntervalVector& x) const;
 
      void serialize(std::ofstream& f) const;
 
    protected:
 
      Grid();
      void deserialize(std::ifstream& f);
 
    protected:
 
      Vector _dx; // in real values
      Vector _origin; // in real values
      Eigen::Matrix<int,-1,1> _local_shift; // in indices
  };
}