32 virtual std::vector<double> *
code(std::vector<double> &) = 0;
33 virtual std::vector<double> *
decode(std::vector<double> &) = 0;
39 std::vector<double>
a,
b;
42 virtual std::vector<double> *
code(std::vector<double> &);
43 virtual std::vector<double> *
decode(std::vector<double> &);