[Bug 6811] [FT] Specification/Weights


--- Comment #4 from Christian Gruen <christian.gruen@gmail.com>  2009-04-30 23:18:17 ---
Hi Jim,

> Yes, that is why it says "absolute value", just in case the
> implementation does support negative weights.

Oh yes.. Sorry, I mixed up "absolute" with "positive".

>> Next to
>> that, was there a special reason to use "1000" as value/introduce a
>> restriction at all? I would rather have expected a strict rule (0.0 - 1.0)
>> or no restriction at all.
> No special reason, just the result of the Task Force's discussion.  I also
> thought that a range (absolute value, of course) of 0.0-1.0 would have been
> just as good.  If I recall correctly, I think somebody said that they knew
> about, or had, an implementation that used larger numbers.  Since it's pretty
> arbitrary anyway, we decided to go with the 1000 top end. 

So, once again.. I currently don't see any advantage in restricting the weight
at all, so wouldn't make it sense - and simplify the specification - if the
restriction was completely discarded and arbitrary values were allowed? The
same can be said about negative weights. - Anyway, considering the
implementation point of view, it's of course no problem to add a check at this
point (although it will be have to be checked every time during runtime, if the
weight argument cannot be statically checked).


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Received on Thursday, 30 April 2009 23:18:26 UTC