Re: [boost] Review Request: QVM (generic Quaternion, Vector and Matrix operations library)

Subject: Re: [boost] Review Request: QVM (generic Quaternion, Vector and Matrix operations library)
From: Emil Dotchevski (emildotchevski_at_[hidden])
Date: 2015-06-26 22:54:10

On Fri, Jun 26, 2015 at 7:33 PM, Michael Marcin <mike.marcin_at_[hidden]>
wrote:

> On 6/26/2015 3:42 AM, Emil Dotchevski wrote:
>
>> 1) Character constants containing more than one character are
>> implementation-defined (not portable).
>>
>> 2) The swizzling dispatch must be done at compile-time. You couldn't do
>> this with an int argument to operator[].
>>
>> 3) operator[] must be a member function, and QVM operations work on
>> user-defined types. You can, of course, define operator[] in your own
>> types
>> in terms of operator% from QVM.
>>
>> So we're stuck with:
>>
>> v%X *= 42;
>> v%YXZ *= 42;
>>
>>
> I'm not a TMP wizard and I haven't looked at your implementation but what
> about something like.
>
> (v,yz)
>
> https://ideone.com/c4HR8G

This seems better than %, thanks. I need to think carefully if the ,
overload could somehow interfere with things like passing vectors to other
functions.

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