| Re: [eigen] An insistent plea for an input operator |
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- Subject: Re: [eigen] An insistent plea for an input operator
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 16 Oct 2010 15:23:39 -0400
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2010/10/16 Rhys Ulerich <rhys.ulerich@xxxxxxxxx>:
> Hi all,
>
> This is a revival of a dead thread started by Helmut Jarausch back in
> July. It regards having an operator>> overload to simplify populating
> matrices from an istream:
>
> Hauke gave some example code like,
>>>> std::cout << Eigen::Format(...) << m;
>>>>
>>>> or this
>>>>
>>>> std::cin >> Eigen::Format(...) >> m;
>
> Benoit said:
>>> Ah, this looks possible. so here the std::cout << Eigen::Format(...)
>>> would return a stream of a different type, inheriting the type of the
>>> original stream.
>
> Did something along these lines make it into version 2 or version 3?
Nothing happened yet.
> I've dug around in the online documentation, (grep -R)ed for
> 'operator>>', and scanned the open bug reports without finding
> anything.
>
> If not, mind if I open a feature request on it?
You totally should. Today again, someone asked for it on the forum.
Benoit
>
> - Rhys
>
>
>