/**
	This software was developed by the University of Tennessee as part of the
	Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
	project funded by the US National Science Foundation.

	If you use DANSE applications to do scientific research that leads to
	publication, we ask that you acknowledge the use of the software with the
	following sentence:

	"This work benefited from DANSE software developed under NSF award DMR-0520547."

	copyright 2008, University of Tennessee
 */
#ifndef MODEL_CLASS_H
#define MODEL_CLASS_H

#include <vector>
#include "parameters.hh"
extern "C" {
	#include "cylinder.h"
}

using namespace std;

class CylinderModel{
public:
	// Model parameters
	Parameter radius;
	Parameter scale;
	Parameter length;
	Parameter contrast;
	Parameter background;
	Parameter cyl_theta;
	Parameter cyl_phi;

	// Constructor
	CylinderModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

class SphereModel{
public:
	// Model parameters
	Parameter radius;
	Parameter scale;
	Parameter contrast;
	Parameter background;

	// Constructor
	SphereModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

class CoreShellModel{
public:
	// Model parameters
	Parameter radius;
	Parameter scale;
	Parameter thickness;
	Parameter core_sld;
	Parameter shell_sld;
	Parameter solvent_sld;
	Parameter background;

	// Constructor
	CoreShellModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

class CoreShellCylinderModel{
public:
	// Model parameters
	Parameter radius;
	Parameter scale;
	Parameter thickness;
	Parameter length;
	Parameter core_sld;
	Parameter shell_sld;
	Parameter solvent_sld;
	Parameter background;
	Parameter axis_theta;
	Parameter axis_phi;

	// Constructor
	CoreShellCylinderModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

class EllipsoidModel{
public:
	// Model parameters
	Parameter radius_a;
	Parameter scale;
	Parameter radius_b;
	Parameter contrast;
	Parameter background;
	Parameter axis_theta;
	Parameter axis_phi;

	// Constructor
	EllipsoidModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

class EllipticalCylinderModel{
public:
	// Model parameters
	Parameter r_minor;
	Parameter scale;
	Parameter r_ratio;
	Parameter length;
	Parameter contrast;
	Parameter background;
	Parameter cyl_theta;
	Parameter cyl_phi;
	Parameter cyl_psi;

	// Constructor
	EllipticalCylinderModel();

	// Operators to get I(Q)
	double operator()(double q);
	double operator()(double qx, double qy);
	double evaluate_rphi(double q, double phi);
};

#endif