double alnfac ( int n );
double alnorm ( double x, bool upper );
double chyper ( bool point, int kk, int ll, int mm, int nn, int *ifault );
void hypergeometric_cdf_values ( int *n_data, int *sam, int *suc, int *pop, 
  int *n, double *fx );
void hypergeometric_pdf_values ( int *n_data, int *sam, int *suc, int *pop, 
  int *n, double *fx );
int i4_min ( int i1, int i2 );
double r8_max ( double x, double y );
void timestamp ( );