abacus: bignum: add note about div_mod performance

2021-08-22 13:57:29 +02:00 · 2021-08-22 13:57:29 +02:00 · d03058e410
parent cfa19a60ba
commit d03058e410
1 changed files with 1 additions and 0 deletions
--- a/src/bignum/bignum.cc
+++ b/src/bignum/bignum.cc
@ -114,6 +114,7 @@ std::pair<digits_type, digits_type> do_div_mod(digits_type const& lhs,
    digits_type remainder = lhs;

    while (!do_less_than(remainder, rhs)) {
+        // TODO: use `do_halve` to back down after calculate highest multiple
        digits_type multiple = rhs;
        digits_type rank;
        rank.push_back(1);