#include <math.h>
#include <iostream>
#include "fonction.h"
using namespace std;

double calcul_discriminant(double a, double b, double c) {
    return (b*b - 4 * a * c);
}
void calcul_racines(double a, double b, double c) {
    double discriminant;
    discriminant = calcul_discriminant(a, b, c);

    if (discriminant >= -pow(10, -10)
        && discriminant <= pow(10, -10)
        ) {
            discriminant = 0;
        }
    if (discriminant < 0) {
        cout << "delta = " << discriminant << endl;
        return;
    } else if (discriminant == 0) {
        double x0 = (-b/ (2*a));

        cout << "delta = " << discriminant << endl;
        cout << "La racines est " << x0 << endl;
        return;
    }
    double x1;
    double x2;
    x1 = (-b - sqrt(discriminant)) / (2 * a);
    x2 = (-b + sqrt(discriminant)) / (2 * a);
    cout << "delta = " << discriminant << endl;
    cout << "Les racines sont " << x1 << " " << x2 << endl;
    return;
}