Re: 100%

From: René Scharfe <rene.scharfe@lsrfire.ath.cx>
Date: Jun 23, 2007, 12:11 UTC
Message-ID: <467D0DE8.6030104@lsrfire.ath.cx>
In-Reply-To: <Pine.LNX.4.64.0706231259021.4059@racer.site>

Johannes Schindelin schrieb:

Show 15 quoted lines

> Hi,
> 
> On Sat, 23 Jun 2007, René Scharfe wrote:
> 
>> Johannes Schindelin schrieb:
>>
>>> By the same reasoning, you could say "never round down to 0%, because 
>>> I want to know when there is no similarity".
>>>
>>> You cannot be exact when you have to cut off fractions, so why try for 
>>> _exactly_ one number?
>> Because completeness is special.
> 
> I am not convinced. My vote is still for the _common_ practice of just 
> rounding. IOW keep it as is.

As I already hinted at, the common result of comparing two files, as done by e.g. cmp(1), is one bit that indicates equality. This information is lost when using up/down rounding, but it is retained when rounding down. It's _not_ common to be unable to determine equality from the result of a file compare.

René