double circle01_length ( );
double circle01_monomial_integral ( int e[2] );
double *circle01_sample ( int n, int &seed );
double *monomial_value ( int m, int n, int e[], double x[] );
double r8_gamma ( double x );
double r8vec_sum ( int n, double a[] );
double *r8vec_uniform_01_new ( int n, int &seed );
void timestamp ( );