Re: Can Ada iterate over Nd array?

["Nasser M. Abbasi" <nma@12000.org>]

On 04/26/2012 10:48 AM, Adam Beneschan wrote:
> On Wednesday, April 25, 2012 11:02:13 PM UTC-7, Okasu wrote:
>>  On 2012-04-26, Jeffrey Carter wrote:
>>  >
>>  >  type Three_D is array (1 .. 3, 7 .. 300, 'A' .. 'Z') of Integer;
>>  >
>>  >  A : Three_D;
>>  >
>>  >  for I in A'range (1) loop
>>  >      for J in A'range (2) loop
>>  >         for K in A'range (3) loop
>>  >            -- Do something with A (I, J, K)
>>  >         end loop;
>>  >      end loop;
>>  >  end loop;
>>  >
>>
>>  It's a brain dead code.
>>  So you trying to say that i have to write loops for 10/100/1000d arrays
>>  by hand?
>


> I don't think I've *ever* seen an array with more than three dimensions ever used, in 35 years of programming.

me neither. I guess OP is working in the unified field theory area as 
one of the the string theories (M-theory) contains 11 dimensional 
space-time continuum for it to be correct. But 1000 dimensions is 
something I can not understand. May be a new theory is in the works?

>
> But I think Ada 2012 does support what you're looking for; see the
 >example at the bottom of 5.5.2 
(http://www.ada-auth.org/standards/12rm/html/RM-5-5-2.html).
>
>                      -- Adam

That is very interesting. I will definitely need to convert some Ada 
code I wrote that uses 2D grids for solving a PDE using this new 
construct to see better how it works. I hope GNAT supports this new 
feature, I will have to find out.

--Nasser