double *monomial_value ( int m, int n, int e[], double x[] );
double r8vec_sum ( int n, double a[] );
double *r8mat_uniform_01_new ( int m, int n, int &seed );
double square01_area ( );
double square01_monomial_integral ( int e[2] );
double *square01_sample ( int n, int &seed );
void timestamp ( );