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abacus: bignum: use span
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Once again, the code looks cleaner that way.
This commit is contained in:
Bruno BELANYI 2021-10-12 15:05:21 +02:00
parent 4ea7a38b61
commit 8cb26ee316
1 changed files with 6 additions and 6 deletions
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12
src/bignum/bignum.cc
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@ -3,6 +3,7 @@
#include <algorithm> #include <algorithm>
#include <iostream> #include <iostream>
#include <iterator> #include <iterator>
#include <span>
#include <cassert> #include <cassert>
#include <cmath> #include <cmath>
@ -82,18 +83,17 @@ digits_type do_addition(digits_type const& lhs, digits_type const& rhs) {
++it2; ++it2;
} }
auto [it, end] = [=]() { auto leftover = [=]() {
if (it1 != end1) { if (it1 != end1) {
return std::make_pair(it1, end1); return std::span(it1, end1);
} }
return std::make_pair(it2, end2); return std::span(it2, end2);
}(); }();
while (it != end) { for (auto value : leftover) {
int addition = *it + carry; int addition = value + carry;
carry = addition / BASE; carry = addition / BASE;
res.push_back(addition % BASE); res.push_back(addition % BASE);
++it;
} }
if (carry != 0) { if (carry != 0) {