distributions.h

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/*
 *    Copyright (c) 2013-2019
 *      SMASH Team
 *
 *    GNU General Public License (GPLv3 or later)
 */
#ifndef SRC_INCLUDE_DISTRIBUTIONS_H_
#define SRC_INCLUDE_DISTRIBUTIONS_H_

namespace smash {

double breit_wigner(double m, double pole, double width);

double breit_wigner_nonrel(double m, double pole, double width);

double cauchy(double x, double pole, double width);

double density_integrand(const double energy, const double momentum_sqr,
                         const double temperature);
double density_integrand_mass(const double energy, const double momentum_sqr,
                              const double temperature);
double density_integrand_1M_IC(const double energy, const double momentum_sqr,
                               const double temperature);

double density_integrand_2M_IC(const double energy, const double momentum_sqr,
                               const double temperature);

double juttner_distribution_func(const double momentum_radial,
                                 const double mass, const double temperature,
                                 const double baryon_chemical_potential,
                                 const double lam);
double sample_momenta_non_eq_mass(const double temperature, const double mass);

double sample_momenta_1M_IC(const double temperature, const double mass);

double sample_momenta_2M_IC(const double temperature, const double mass);

double sample_momenta_from_thermal(const double temperature, const double mass);

double sample_momenta_IC_ES(const double temperature);
}  // namespace smash

#endif  // SRC_INCLUDE_DISTRIBUTIONS_H_