hyperfine.h

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/* This file is part of Cloudy and is copyright (C)1978-2025 by Gary J. Ferland and
 * others.  For conditions of distribution and use see copyright notice in license.txt */
 
#ifndef HYPERFINE_H_
#define HYPERFINE_H_
 
#include "module.h"

void HyperfineCreate(void);

/*double HyperfineCS( long nelem , long ion );*/
double HyperfineCS(  size_t i  );
 
class TransitionProxy;

double HyperfineTspin( const TransitionProxy &t );

void H21_cm_pops( void );

double H21cm_H_atom( double temp );

double H21cm_proton( double temp );

double H21cm_electron( double temp );
 
struct t_hyperfine : public module {
 
        const char *chName() const
        {
                return "hyperfine";
        }
 
        void zero();
        void comment(t_warnings&) {}

        vector<realnum> HFLabundance;

        double Tspin21cm;

        bool lgLya_pump_21cm;

        double cooling_total;

        realnum cooling_max;

        typedef enum { EXCITATION, KINETIC, CONSTANT } LyaSourceFunctionShape;
        LyaSourceFunctionShape LyaSourceFunctionShape_assumed;
 
        };
extern t_hyperfine hyperfine;
 
#endif /* HYPERFINE_H_ */