mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-24 16:42:05 +00:00
36 lines
808 B
C++
36 lines
808 B
C++
#pragma once
|
|
|
|
#include <string>
|
|
|
|
#include "wide_integer.h"
|
|
|
|
namespace wide
|
|
{
|
|
|
|
template <size_t Bits, typename Signed>
|
|
inline std::string to_string(const integer<Bits, Signed> & n)
|
|
{
|
|
std::string res;
|
|
if (integer<Bits, Signed>::_impl::operator_eq(n, 0U))
|
|
return "0";
|
|
|
|
integer<Bits, unsigned> t;
|
|
bool is_neg = integer<Bits, Signed>::_impl::is_negative(n);
|
|
if (is_neg)
|
|
t = integer<Bits, Signed>::_impl::operator_unary_minus(n);
|
|
else
|
|
t = n;
|
|
|
|
while (!integer<Bits, unsigned>::_impl::operator_eq(t, 0U))
|
|
{
|
|
res.insert(res.begin(), '0' + char(integer<Bits, unsigned>::_impl::operator_percent(t, 10U)));
|
|
t = integer<Bits, unsigned>::_impl::operator_slash(t, 10U);
|
|
}
|
|
|
|
if (is_neg)
|
|
res.insert(res.begin(), '-');
|
|
return res;
|
|
}
|
|
|
|
}
|