%install_ext https://raw.github.com/dragly/cppmagic/master/cppmagic.py

%load_ext cppmagic

%%cpp
#include <iostream>
using namespace std;

class MyClass {
public:
    int a;
    MyClass() {
        a = 10;
    }
};

int main() {
    MyClass B;
    cout << B.a << endl;
    return 0;
}

%%cpp -llapack -lblas -larmadillo
#include <iostream>
#include <armadillo>
using namespace std;
using namespace arma;

int main() {
    mat A = randu<mat>(5,5);
    cout << A << endl;
    double determinant = det(A);
    cout << determinant << endl;
    return 0;
}