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abacus: bignum: add output operator

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This commit is contained in:
Bruno BELANYI 2021-08-20 18:09:28 +02:00
parent 0a5fb471e4
commit ad5092ea8d
3 changed files with 43 additions and 0 deletions
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7
src/bignum/bignum.hh
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@ -1,5 +1,6 @@
#pragma once
#include <iosfwd>
#include <vector>
#include <cstdint>
@ -10,6 +11,10 @@ class BigNum {
public:
explicit BigNum(std::int64_t number);
friend std::ostream& operator<<(std::ostream& out, BigNum const& num) {
return num.dump(out);
}
friend BigNum operator+(BigNum const& rhs) {
return rhs;
}
@ -45,6 +50,8 @@ public:
}
private:
std::ostream& dump(std::ostream& out) const;
void flip_sign();
bool equal(BigNum const& rhs) const;