I have a function (not member of a class) which looks as follows:
void functionA(..., double (*pt2Cdf)(const double&),....)
which works wonderful if pt2Cdf just points to normal functions. But I would like that functionA also accepts member functions (of potentially different classes and which use the object's data but all with const double& argument) as input so that I can do calls as follows:
functionA(...,ObjectofClassA.Function,....);
functionA(...,ObjectofClassB.Function,....);
functionA(...,NormalNonMemberFunction,....);
Any hints? Thanks a lot!
What you probably could do is, do it it the OO way.
You declare an abstract class AbstA containing just the member function. You inherit from that class in all your classes ClassA, ClassB, ClassC, etc., overriding the function in every one. You declare your function as taking const references to objects of class AbstA, and wrap a pure function into a function wrapper object, that you also inherit from AbstA. In your function you can then call the members, with the same functionality.
Thank you for your answers.
Inspired by your suggestions, I came up with a solution, namely to work with a function template as follows:
template
void functionA(...,ClassWithMemberFunction& object,...)
{...do something by calling object.memberfunction()...}
This means I renounced on the function pointer which in my case is not really a loss.
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