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From: "Alex R. Mosteo" <devnull@mailinator.com>
Newsgroups: comp.lang.ada,comp.lang.c++,comp.realtime,comp.software-eng
Subject: Re: Teaching new tricks to an old dog (C++ -->Ada)
Date: Tue, 29 Mar 2005 11:26:36 +0200
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Xref: g2news1.google.com comp.lang.ada:10110 comp.lang.c++:47751
 comp.realtime:1809 comp.software-eng:5451
Date: 2005-03-29T11:26:36+02:00
List-Id: <comp.lang.ada>

Pascal Obry wrote:
> Ioannis Vranos <ivr@remove.this.grad.com> writes:
> 
> 
>>Now may you explain how the ability to use negative subranges for built in
>>array indices makes Ada better for any domain problem?
> 
> 
> For a domain problem where you have to create an area centered on (0,0)
> for example. What about a vector representing altitude, the sub-zero values
> being under the water. Just some examples, I bet you'll be able to think about
> lot more :)

One classical example is solving the eight queens problem. There's an 
elegant solution using arrays with ranges starting at several values.