int i4_max ( int i1, int i2 );
int i4_min ( int i1, int i2 );
int i4_modp ( int i, int j );
int i4_wrap ( int ival, int ilo, int ihi );
int lyness_order ( int rule );
int lyness_precision ( int rule );
void lyness_rule ( int rule, int order, double w[], double x[] );
int lyness_rule_num ( );
int *lyness_suborder ( int rule, int suborder_num );
int lyness_suborder_num ( int rule );
void lyness_subrule ( int rule, int suborder_num, double sub_xyz[], 
  double sub_w[] );
void r8mat_copy ( int m, int n, double a1[], double a2[] );
void r8mat_write ( string output_filename, int m, int n, double table[] );
void r8vec_copy ( int n, double a1[], double a2[] );
double r8vec_sum ( int n, double a[] );
void timestamp ( );