__currency_formatter.hpp

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#pragma once
#if !defined(__XTD_CORE_INTERNAL__)
#error "Do not include this file: Internal use only"
#endif
 
#include "__binary_formatter.hpp"
 
#include <cmath>
#include <iomanip>
#include <locale>
#include <sstream>
 
template<typename char_t>
inline std::basic_string<char_t> __currency_formatter(long double value, const std::locale& loc) {
  std::basic_stringstream<char_t> ss;
  ss.imbue(loc);
  ss << std::showbase << std::fixed << std::put_money(value * std::pow(10, std::use_facet<std::moneypunct<char_t>>(loc).frac_digits()));
  return ss.str();
}