int main ( );
int i4_uniform_ab ( int a, int b, int *seed );
void i4_uniform_ab_test ( );
int *i4vec_distances ( int k, int locate[] );
void i4vec_distances_test ( );
void i4vec_heap_d ( int n, int a[] );
void i4vec_heap_d_test ( );
void i4vec_print ( int n, int a[], char *title );
void i4vec_print_test ( );
void i4vec_sort_heap_a ( int n, int a[] );
void i4vec_sort_heap_a_test ( );
void ksub_random ( int n, int k, int *seed, int b[] );
void ksub_random_test ( );
void test_partial_digest ( int k, int dmax, int *seed, int **locate, int **d );
void test_partial_digest_test ( );
void timestamp ( );