Re: [boost] Need help with multi_array

From: Ronald Garcia (garcia_at_[hidden])
Date: 2002-10-22 13:08:22

Hello Jon,

On Tue, 22 Oct 2002, Jon Pendergrass wrote:

> 'm new to Boost, so please excuse my lack of
> knowledge. I'm trying to use the multi_array class and
> have hit a small snag.
>
> I'd like to have a class with a 4-D array. Initially
> it won't contain any data. However, Microsoft Visual
> C++ v6.0 complains about not find a constructor.
>
> I want to do something like this:
>
> typedef boost::multi_array<std::complex<double>, 4> t_Array4D;
>

> class foobar
> {
>   t_Array4D ar;
> }
>

> void foobar::SetValue()
> {
>   // set extents code
>
>   // set value
>   this->ar[0][0][0][0] = 2.0;
> }
>

The problem with your snippet is that a multi_array does not have a
default constructor.  You must specify the array's shape at construction
time.

Hope this helps,

Ron