/* This is the header file for the functions that specify the
   pion wavefunction. */

#ifndef pion_wavefunction_h
#define pion_wavefunction_h

#include <default.h>
#include <complex.h>

#define F_PI 0.0924          /* 0.0924 (PDG 96) */  
                             /* pion decay constant in GeV */   


double pion_distribution_ampl(double x);
double pion_wavef_impactpar(double x, double b);
double pion_wavef_momspace(double x, double k_perp);



#endif