LingWitt@insightbb.com writes: > > Do you mean _mp_d should be set to the first nonzero limb: > Will this cause a leak? No, don't change f->_mp_d, copy the limbs down within that data space. (If you're not sure what you're doing with this you're probably better off to leave it alone. What was the aim anyway? Speed? Correctness is not affected by low zeros, or shouldn't be.)