imf.h

/* Hi emacs, please give me -*-c++-*- */

#ifndef __imf_h__
#define __imf_h__


class Cimf
{
  
public:
  virtual double get_nstars_frac(double mass, double m_low, double m_up) =0;
  virtual double get_nstars_all(double mass) =0;
  virtual double calculate_norm(void) =0;
  virtual double get_imf_val(double) =0;
};

class CPowerlaw: public Cimf
{
  double exponent;                 
  double lower_mass_bound;         
  double upper_mass_bound;         
  double nstarfrac_coeff;          
  double nstarall_coeff;           
  double norm;                     
  double moment_zero(double,double);
  double moment_first(double,double);
  
public:
  CPowerlaw(double exponent,double lower_mass_bound,double upper_mass_bound);

  double get_nstars_frac(double mass, double m_low, double m_high);
  double get_nstars_all(double mass);
  double calculate_norm(void);
  double get_imf_val(double);
}; /* class CPowerlaw */







#endif /* __imf_h__ */

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