gint_vl_metagga.h

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#pragma once
 
#include <memory>
#include <vector>
#include "source_lcao/module_hcontainer/hcontainer.h"
#include "gint.h"
#include "gint_info.h"
 
namespace ModuleGint
{
 
class Gint_vl_metagga : public Gint
{
    public:
    Gint_vl_metagga(
        const double* vr_eff,
        const double* vofk,
        HContainer<double>* hR)
        : vr_eff_(vr_eff), vofk_(vofk), hR_(hR), dr3_(gint_info_->get_mgrid_volume()) {}
    
    void cal_gint();
 
    private:
 
    void init_hr_gint_();
    
    // note that only the upper triangle matrix of hR is calculated
    // that's why we need compose_hr_gint() to fill the lower triangle matrix.
    void cal_hr_gint_();
 
    // input
    const double* vr_eff_;
    const double* vofk_;
 
    // output
    HContainer<double>* hR_;
 
    // Intermediate variables
    double dr3_;
 
    HContainer<double> hr_gint_;
 
};
 
}