Initial commit

vector.cpp

@@ -0,0 +1,26 @@
+#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);
+}