Re: [Boost-users] [fusion] named parameter technique with fusion::map

Subject: Re: [Boost-users] [fusion] named parameter technique with fusion::map
From: Alfredo Correa (alfredo.correa_at_[hidden])
Date: 2010-11-09 15:53:50

On Tue, Nov 9, 2010 at 5:45 AM, Larry Evans <cppljevans_at_[hidden]>wrote:

> On 11/09/10 05:02, Alfredo Correa wrote:
> [snip]
> > I hope this helps somebody else, having named derivatives like in
> > mathematical notation is a blessing for my code.
> >
>
> You might try repeating the process on a derivative.  IOW,
> take a derivative of a derivative.
>

yes, yes. Even crossed derivatives,
partial<q>(partial<p>(h))(make_set(1.,2.))

Last night I tryed this and works with some limitations on the way passing
parameters to the second derivative.

for the monent I can't use it as partial<q>(partial<p>(h))(uno, dos)

In fact the other threads in the Boost group I opened are to solve this.
In a few words, for derivative to have the same interface as H (the model
functor)
(and automatically generated), I need it to be "fused" and "unfused" at the
same time.
Which is problematic.

You can help in the other threads, if you want.

Thank you,
Alfredo

> I'm sure it would be interesting.
>
> [snip]
>
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