Method init

Geometry/Geometry 3D.cpp:379–384

    vector<vector<int>> g;

    void init(vector<p3> p) {
        P = p;
        n = p.size();
        F.resize(8 * n + 1);
        g.resize(n + 1, vector<int> (n + 1));
    }

    double len(p3 a) {
        return sqrt(a | a);