Geometry Boost List: Re: [geometry] translation and rotation proposal

Subject: Re: [geometry] translation and rotation proposal
From: Adam Wulkiewicz (adam.wulkiewicz_at_[hidden])
Date: 2013-06-22 17:59:27

2013/6/22 Bruno Lalande <bruno.lalande_at_[hidden]>

>
> MyVector v = return_difference<MyVector>(p1, p2);
>>
>
> OK, what I had in mind was to allow for an interface where users don't
> have to specify the return type (the call would just be
> return_different(p1, p2) and the library would just determine if a vector
> or a point is expected). But I realize your proposal is more aligned with
> what we generally do right now in the library. I do have plans to make all
> return_xxx functions more convenient, not just that one, and what I was
> proposing better fits in those more general plans, so yes we can skip it
> for now.
>
>
Yes, I've choosen the interface close to the one used right now:

MyVector v = return_difference<MyVector>(p1, p2);
//and
difference(p1, p2, v);

Does it colide with the one you'd like to introduce later? I guess no,
because you plan to support it together with the existing one?

But what about coordinate_system? Should we use it even if we omit it for
now and assume that Vectors and other concepts we'd like to add now are
cartesian?

Regards,
Adam