/******************************************************************************
 * This program demonstrates floating point underflow.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

#include <clocale>
#include <codecvt>
#include <iostream>
#include <string>

std::locale utf8loc(std::locale(), new std::codecvt_utf8<wchar_t>);
using namespace std;

int main(int argc, char **argv) {
    setlocale(LC_ALL, "en_US.UTF-8");
    wcout.imbue(utf8loc);
    wcin.imbue(utf8loc);

    double small_float = 1e-308;
    wcout << L"Small float: " << small_float << endl;
    small_float /= 1e12;
    wcout << L"Smaller float: " << small_float << endl;
    small_float /= 1e12;
    wcout << L"Smallest float: " << small_float << endl;
    return 0;
}