Subj : Re: Reversing a number
To   : comp.programming
From : Irrwahn Grausewitz
Date : Mon Sep 12 2005 01:45 pm

Gerry Quinn <gerryq@DELETETHISindigo.ie> wrote:
>In article <slrndiae8e.2dgl.willem@toad.stack.nl>, willem@stack.nl 
>says...
>> Rob wrote:

>> )> )>>    while (i)
>> )> )>>    {
>> )> )>>        n *= 10;
>> )> )>>        n += i % 10;
>> )> )>>        i /= 10;
>> )> )>>    }
>> )> )>>    return n;
>> ) As Jerry Quinn pointed out it's simplest to convert it to a string then
>> ) reverse it and convert it back again.
>> 
>> That can only be simplest if 'convert to a string' is considered a simple
>> operation.  Otherwise the above piece of code is simpler.
>
>The above bit of code *is* effectively converting it to a string (in 
>base-10 representation, and with the characters 0-9 represented by 
>digits), 

Just to mention, that this definition of string is far from being 
compatible with the C standard.

> albeit in piecemeal fashion.

Oh, and multiplication by 10 is appending a 0 to a string?!?  
Have to remember that one...  :>

Best regards
-- 
Irrwahn 
(irrwahn35@freenet.de)

.