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abacus: bignum: extract do_dump 

Useful when debugging.
This commit is contained in:
Bruno BELANYI 2021-08-23 19:24:53 +02:00
parent c675b15248
commit 9d8d3fa864
1 changed files with 6 additions and 3 deletions
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9
src/bignum/bignum.cc
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@ -30,6 +30,11 @@ void trim_leading_zeros(digits_type& num) {
num.erase(it.base(), num.end());
}
std::ostream& do_dump(digits_type const& num, std::ostream& out) {
std::copy(num.rbegin(), num.rend(), std::ostream_iterator<int>(out));
return out;
}
// More optimised than full-on div_mod
digits_type do_halve(digits_type num) {
assert(num.size() != 0);
@ -229,10 +234,8 @@ std::ostream& BigNum::dump(std::ostream& out) const {
if (is_negative()) {
out << '-';
}
std::copy(digits_.rbegin(), digits_.rend(),
std::ostream_iterator<int>(out));
return out;
return do_dump(digits_, out);
}
std::istream& BigNum::read(std::istream& in) {