Re: [Boost-users] [multiarray] Obtain MultiArray implementation instance from base, extents, strides

Subject: Re: [Boost-users] [multiarray] Obtain MultiArray implementation instance from base, extents, strides
From: Rhys Ulerich (rhys.ulerich_at_[hidden])
Date: 2010-03-25 15:38:55

> I'd like to obtain an N-dimensional MultiArray implementation given a
> base pointer, N extents, and N strides.  My use case requires padding
> the stride in one dimension in a way seemingly not obtainable taking
> views of the usual boost::multi_array_ref.
>
> ...
>
> Am I missing something in Boost.MultiArray?  Or is there no publicly
> accessible way to provide a custom stride list?

I was missing something.  boost::multi_array_ref maintains its stride
information in a protected member named stride_list_.  Subclass
multi_array_ref and manipulate stride_list_ directly.  Still not
pretty, but much better than the other kludges I'd suggested.

- Rhys