#include "vector.hpp"
#include <cmath>

Vector::Vector(int size) : data(size, 0.0) {}

int Vector::size() const {return data.size();}

double& Vector::operator()(int i) {return data[i];}
double Vector::operator()(int i) const {return data[i];}

void Vector::print() const {
    std::cout << "---\n";
    for (double x : data) {
        std::cout << x << "\n";
    }
    std::cout << "---";
    std::cout << std::endl;
}

double Vector::norm() const {
    double somma = 0.0;
    for (double x : data) {
        somma += x * x;
    }
    return std::sqrt(somma);
}