VectorHashTable<Parms>::VectorHashTable(size_type i, const Parms & p)
: parms_(p), size_(0)
{
if (i <= 19) {
i = 19;
} else {
size_type j = ((i - 3)/4)*4 + 3;
if (j == i)
i = j;
else
i = j + 4;
Primes p(static_cast<size_type>(sqrt(static_cast<double>(i))+2));
for (;;) {
if (i > p.max_num())
p.resize(static_cast<size_type>(sqrt(static_cast<double>(i))+2));
if (p.is_prime(i) && p.is_prime(i-2))
break;
i += 4;
}
}
vector_.resize(i);
nonexistent_vector();
}
