#include <ql/math/kernelfunctions.hpp>
 Inheritance diagram for KernelFunction:
 Inheritance diagram for KernelFunction:| Public Member Functions | |
| virtual Real | operator() (Real x) const =0 | 
Kernel function in the statistical sense, e.g. a nonnegative, real-valued function which integrates to one and is symmetric.
Derived classes will serve as functors.