/******************************************************************************
 * This program computes the roots of quadratic equations
 * of the form Ax^2 + Bx + C = 0
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

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

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

static double const A = 2.0;
static double const B = 4.0;
static double const C = 1.0;

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

    double discriminant = B * B - 4. * A * C;
    discriminant = sqrt(discriminant);
    double root1 = (-B + discriminant) / (2. * A);
    double root2 = (-B - discriminant) / (2. * A);
    wcout << L"root #1: " << root1 << endl;
    wcout << L"root #2: " << root2 << endl;
    return 0;
}