From: Chad Perrin <perrin@...>
Date: 2007-03-30T14:34:51+09:00
Subject: Re: same operation (sort of), different results

On Fri, Mar 30, 2007 at 02:30:33PM +0900, Chad Perrin wrote:
> I'm a little confused by these results.  Perhaps someone can tell me
> what I'm assuming incorrectly:
> 
>   $ irb
>   irb(main):001:0> 5 / 9 * ( 100 - 32 )
>   => 0
>   irb(main):002:0> ( 5 / 9 ) * ( 100 - 32 )
>   => 0
>   irb(main):004:0> ( 100 - 32 ) * ( 5 / 9 )
>   => 0
>   irb(main):003:0> ( 100 - 32 ) * 5 / 9
>   => 37
> 
> The last result is the only one that gives me what I actually wanted.
> 
> In case you're wondering, yes, that *is* an F-to-C temperature
> conversion.

Never mind, that was a full-on brain fart.  I forgot I was doing integer
division.  Mea culpa.

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
Amazon.com interview candidate: "When C++ is your
hammer, everything starts to look like your thumb."