st.c:113
static int
new_size(size)
    int size;
{
    int i;

#if 0
    for (i=3; i<31; i++) {
	if ((1<<i) > size) return 1<<i;
    }
    return -1;
#else
    int newsize;

    for (i = 0, newsize = MINSIZE;
	 i < sizeof(primes)/sizeof(primes[0]);
	 i++, newsize <<= 1)
    {
	if (newsize > size) return primes[i];
    }
    /* Ran out of polynomials */
    return -1;			/* should raise exception */
#endif
}
