#ifndef OPTICS_H
#define OPTICS_H

#include "dict.h"

extern char optics_err[256];

int optics_init(dict *db);
double get_rayleigh_scattering_length_snoman_d2o(double wavelength);
double get_rayleigh_scattering_length_snoman_h2o(double wavelength);
double get_weighted_rayleigh_scattering_length_snoman_d2o(void);
double get_weighted_rayleigh_scattering_length_snoman_h2o(void);
double get_weighted_absorption_length_snoman_h2o(void);
double get_absorption_length_snoman_h2o(double wavelength);
double get_weighted_absorption_length_snoman_d2o(void);
double get_absorption_length_snoman_d2o(double wavelength);
double get_weighted_absorption_length_snoman_acrylic(void);
double get_absorption_length_snoman_acrylic(double wavelength);
double get_index(double p, double wavelength, double T);
double get_index_snoman_h2o(double wavelength);
double get_index_snoman_d2o(double wavelength);

#endif