Problem with templatized overloaded operator ()

[StephQ]

I can't get this code working:

class Scheme_euler
{
private:
....

public:
....

template<class D, double (D::*drift)(dou ble) const, double
(D::*diffu)(dou ble) const>
void operator ()(Path& thePath, const D& theD) const;
};

Scheme_euler theEu(0, 1, 100); //constructor
theEu<Diff_sine , &Diff_sine:: mu, &Diff_sine::sig ma>
(thePath, theDiff_sine);

However if I don't overload the operator () but just consider a member
solve function, then using:
theEu.solve<Dif f_sine, &Diff_sine:: mu, &Diff_sine::sig ma>
(thePath, theDiff_sine);
woks fine.

So the problem is in overloading the operator, but I can't understand
where I'm wrong.

Thank you in advance for your help!
StephQ

[amparikh@gmail.com]

Re: Problem with templatized overloaded operator ()

On Mar 11, 12:43 pm, "StephQ" <askmeo...@mail inator.comwrote :

I can't get this code working:
>
class Scheme_euler
{
private:
....
>
public:
....
>
template<class D, double (D::*drift)(dou ble) const, double
(D::*diffu)(dou ble) const>
void operator ()(Path& thePath, const D& theD) const;
>
};
>
Scheme_euler theEu(0, 1, 100); //constructor
theEu<Diff_sine , &Diff_sine:: mu, &Diff_sine::sig ma>
(thePath, theDiff_sine);
>
However if I don't overload the operator () but just consider a member
solve function, then using:
theEu.solve<Dif f_sine, &Diff_sine:: mu, &Diff_sine::sig ma>
(thePath, theDiff_sine);
woks fine.
>
So the problem is in overloading the operator, but I can't understand
where I'm wrong.
>
Thank you in advance for your help!
StephQ

I havent tried the code but just off the back of my mind I recall
similar problems with the function operator.

try the following..

theEu.operator( )<Diff_sine, &Diff_sine:: mu, &Diff_sine::sig ma>
(thePath, theDiff_sine);