Ok Domas, you’re just not getting it here. Try going to this example  
page…

http://en.wikipedia.org/wiki/User:Greg_L/val_failure_example

Do you see all those numeric equivalencies in high-precision  
scientific notation?
Those types of numbers appear in science articles all over Wikipedia.  
Do you
see the ones that are generating error codes? Suppose they didn’t do  
that when
you wrote the article but it randomly happens to others that view the  
page.

Robert is saying that if there is a software setting to make the  
servers perform
the same way, then we should make them the same. Why? Because, imagine
that editors use {val} and check (twice, or thrice) to make sure all  
looks good. But
then 20% of the time—purely randomly based upon the server—a couple of
numbers with 13 digits will generate error codes like shown in the  
article. That’s
what’s happening here. Roughly 80% of the time, 13 and 14-digit  
numbers are
rendered properly. But 20% of the time, they don’t.

Why not just advise editors that they should limit {val} for 12 digits?
The issue is that 12-digits is just barely cutting it. Ten years ago,  
there
were few numbers in physics that were measured to this precision. But  
the are
becoming increasingly common—particularly anything related to time or  
length.

That’s why editors should care. If you don’t that’s fine. But please  
don’t suggest
that others shouldn’t care either.

Greg L


On Feb 11, 2009, at 1:13 PM, Domas Mituzas wrote:

Hello!

> Yes Domas, haha, because no one would ever want to write about math or
> high precision scientific measurements in an encyclopedia.

Since when you need floating point math in presentation language, when
you're writing about floating point math?
There're plenty of topics that our encyclopedia is about, that don't
have tools (like physics/biology simulators) inside wikitext. Damnit,
we write about all these people and we don't even have tools that
would evaluate their genome and provide probabilistic matching and
evaluation of article text based on that.

> Am I wrong in thinking that the server admins should care when
> different machines produce different output from the same code?

This is exactly my point, you don't give a single valid reason for us
to care, except some random "oh no, 12 numbers, oh no 14 numbers". Why
should we care?

-- 
Domas Mituzas -- http://dammit.lt/ -- [[user:midom]]



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