// // Created by David Doebel on 07.03.2026. // #ifndef QUANTENGINE_FLATVOLATILITYSURFACE_HPP #define QUANTENGINE_FLATVOLATILITYSURFACE_HPP #include "VolatilitySurface.hpp" class FlatVolatilitySurface : public VolatilitySurface { double sigma(double K, double T) {return 0.2;} }; #endif