/*Header for the poisson function.*/


#define INTRANGE 100
#define MAXRANGE 200
#define FRACRANGE 9  /*TAGLENGTH + 1.*/
#define MIN_P 0.0000005

void setup_poissons(int lambda, double mut_rate);
int get_int_poisson();
int get_frac_poisson();

int poisson(double lambda);