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Subject: Re: [boost] Preliminary submission: generic linear algebra algorithms library Boost LA
From: Emil Dotchevski (emildotchevski_at_[hidden])
Date: 2009-11-22 22:29:03


2009/11/22 Agustín K-ballo Bergé <kaballo86_at_[hidden]>:
> Emil Dotchevski escribió:
>> 2009/11/22 Agustín K-ballo Bergé <kaballo86_at_[hidden]>:
>>> I should have been more specific, I was expecting the operators to just
>>> work for la::vref and la::mref. And probably for any other view too.
>>
>> Oh, vref/mref and other views will find the operator overloads through
>> ADL. If you have a case where this doesn't work, please post some code
>> and I'll take a look.
>>
>
> #include <boost/la/all.hpp>
>
> int main()
> {
>        //using namespace boost::la;
>
>        float vector[3] = { 1, 2, 3 };
>
>        boost::la::vref( vector ) *= 2;
>        ( boost::la::vref( vector ) | boost::la::X ) = 0;
>
>    return 0;
> }
>
> Both operations fail unless `using namespace boost::la`. ADL has nothing
> to do since vref returns a `boost::la::la_detail::vref_<T>` and
> operators are defined at `boost::la`.

Ah, yes! I'm sorry I had a brain fart. I'll think what's a good way to
fix this, it seems desirable for ADL to lead to the generic operator
overloads in this case.

> I'm using the version refered to by your original post, is there an
> update somewhere?

No you're doing everything right. Thanks for the feedback.

Emil Dotchevski
Reverge Studios, Inc.
http://www.revergestudios.com/reblog/index.php?n=ReCode


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