Template Class NullFunction2¶

Defined in File Function.h

Inheritance Relationships¶

Base Type¶

public lsst::afw::math::Function2< ReturnT > (Template Class Function2)

Class Documentation¶

template<typename ReturnT> class NullFunction2 : public lsst::afw::math::Function2<ReturnT>

a class used in function calls to indicate that no Function2 is being provided

Public Functions

NullFunction2()¶

std::shared_ptr<Function2<ReturnT>> clone() const¶

Return a pointer to a deep copy of this function

This function exists instead of a copy constructor so one can obtain a copy of an actual function instead of a useless copy of the base class.

Every non-virtual function must override this method.

Return: a pointer to a deep copy of the function