Re: [Boost-users] define multi dimension array at run time

Subject: Re: [Boost-users] define multi dimension array at run time
From: Larry Evans (cppljevans_at_[hidden])
Date: 2012-06-08 18:59:22

On 06/08/12 16:54, Rhys Ulerich wrote:
> Hi Moataz,
>
>> So the array is defined as a class member but is first initialized through
>> the constructor, but according to boost example page its something like:
>> typedef boost::multi_array<double, 3>  array_type;
>>
>> but I'd like:
>> typedef boost::multi_array<std::vector<MyObject>, n>  array_type;
>> where n is given through the constructor
>>
>> Is this somehow possible?
>
> You can't change the dimensionality of a multi_array at runtime.
>
> You could write templated logic for N dimensional instances,
> instantiate up to some maximum (say 42), and then manage those with
> some common facade.  This won't be pretty...
>
> - Rhys

The subject:

   Subject: Re: RFC: runtime-flexible arrays

from this post:

 
http://article.gmane.org/gmane.comp.lib.boost.devel/228269/match=runtime+flexible+array

suggests that thread might have some useful ideas on the subject.

HTH.

-regards,
Larry