/******************************************************************************
 * This program computes the size of the universe.
 * 
 * Copyright © 2016 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;

static double const UNIVERSE_SIZE_IN_GPARSECS = 14.26;
static double const GIGA_PARSEC = 10e9;
static double const PARSEC_IN_LIGHT_YEARS = 3.261563777167433562;
static double const LIGHT_YEAR_IN_METERS = 9460730472580800.;

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

    double universe_size_in_meters;
    universe_size_in_meters = UNIVERSE_SIZE_IN_GPARSECS * GIGA_PARSEC * PARSEC_IN_LIGHT_YEARS * LIGHT_YEAR_IN_METERS;
    wcout << L"The Universe is " << universe_size_in_meters << L"m across" << endl;
    return 0;
}