chi.hpp
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	#pragma once
	#ifndef __CHI_HPP__
	#define __CHI_HPP__

	#include "structure.h"
	#include "gradient.hpp"

	void chi_bruteforce(double chi, int error, runmode_param runmode, const struct Potential lens, const struct grid_param frame, const int nimages_strongLensing, galaxy *images);
	void module_chiClassic_transformImageToSourcePlane(const runmode_param runmode, const struct point image_point, double dlsds, const struct Potential lens, struct point source_point);
	void module_chiClassic_transformtriangleImageToSourcePlane(const runmode_param runmode, struct triplet I, double dlsds, const struct Potential lens, struct triplet S);
	double module_chiClassic_determinant(const struct point A,const struct point B,const struct point *C);
	int module_chiClassic_inside(const struct point P, struct triplet T);
	int module_chiClassic_insideborder(const struct point P, struct triplet T);
	struct point module_chiClassic_barycenter(struct triplet *A);
	double module_chiClassic_dist(struct point A, struct point B);
	#endif