dielecmodel.h

#pragma once
#include <functional>
#include <vector>
 
struct DoubleHavriliakNegami
{
    static const int d_npar;
    static const std::function<double(double, const std::vector<double> &)> func_imfreq;
    static const std::function<void(std::vector<double> &, double, const std::vector<double> &)>
        grad_imfreq;
};