Flmp.hpp

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#ifndef _FLMP_HPP_
#define _FLMP_HPP_
 
#include <cmath>
 
#include <Eigen/Dense>
#include <fft>
#include "Plm.hpp"
 
class Flmp
{
    int l_idx(int l) { return (l * (l + 1) * (2 * l + 1)) / 6; }
    double *_Flmp;
    double *_dFlmp;
    double I;
    int l_max;
    int lmp_idx(int l, int m, int p) const;
 
    int lmk_idx(int l, int m, int k) const;
 
public:
    Flmp();
 
    Flmp(int l_max, double I, bool compute_derivatives = false);
 
    Flmp &operator=(const Flmp &other);
 
    Flmp(const Flmp &other);
 
    ~Flmp();
 
    int get_l_max() const;
    double get_Flmp(int l, int m, int p) const;
    double get_Flmk(int l, int m, int k) const;
    double get_dFlmp(int l, int m, int p) const;
    double get_dFlmk(int l, int m, int k) const;
    double get_Flmk_star(int l, int m, int k) const;
};
 
#endif //_FLMP_HPP_