reduce
tmp = reduce(*curr * a);
odd = reduce(*peer * zeta);
*peer++ = reduce(zeta * (even - odd + kPrime));
*curr++ = reduce(l0 * r0 + reduce(l1 * r1) * zetapow);
*curr++ = reduce(l0 * r1 + l1 * r0);
*c0 = reduce(*c0 + l0 * r0 + reduce(l1 * r1) * zetapow);
*c1 = reduce(*c1 + l0 * r1 + l1 * r0);
int32_t reduce;
reduce = (pacing_delay / rack_pacing_delay_reduction);
if (reduce < pacing_delay) {
pacing_delay -= reduce;
reduce = 0;
rack_log_pacing_delay_calc(rack, len, pacing_delay, tr_perms, reduce, 0, 7, __LINE__, NULL, 0);
reduce(); /* see if any reduction can be done */
static void reduce(void);
reduce(); /* see if this allows any reduction */