double *circle_unit_van_der_corput ( );
int get_seed ( );
int i4_log_2 ( int i );
double i4_to_van_der_corput ( int seed, int base );
void i4_to_van_der_corput_sequence ( int seed, int base, int n, double r[] );
double r8_epsilon ( );
void r8mat_write ( string output_filename, int m, int n, double table[] );
void timestamp ( );
double van_der_corput ( );
int van_der_corput_base_get ( );
void van_der_corput_base_set ( int base );
int van_der_corput_seed_get ( );
void van_der_corput_seed_set ( int seed );
void van_der_corput_sequence ( int n, double r[] );
int *vdc_numerator_sequence ( int n );