double *monomial_value ( int m, int n, int e[], double x[] );
double pyramid01_integral ( int expon[3] );
double *pyramid01_sample ( int n, int &seed );
double pyramid01_volume ( );
double r8_choose ( int n, int k );
double r8_mop ( int i );
void r8mat_transpose_print ( int m, int n, double a[], string title );
void r8mat_transpose_print_some ( int m, int n, double a[], int ilo, int jlo,
  int ihi, int jhi, string title );
double *r8mat_uniform_01_new ( int m, int n, int &seed );
double r8vec_sum ( int n, double a[] );
void timestamp ( );