const DOUBLE_SUMMARY_LIMBS: usize = U128::LIMBS; // 2usizeExpand description
Twice the number of limbs used to represent SUMMARY_BITS, i.e., two times SUMMARY_LIMBS.
const DOUBLE_SUMMARY_LIMBS: usize = U128::LIMBS; // 2usizeTwice the number of limbs used to represent SUMMARY_BITS, i.e., two times SUMMARY_LIMBS.