From: Andy Little (andy_at_[hidden])
Date: 2003-10-16 21:48:22
"Paul A. Bristow" <boost_at_[hidden]> wrote in message
> I hate to be negative about your proposal (unlike many Boosters who seem
> great delight in shooting/shouting anything down) but having glanced at
> examples, I really don't think that this is the right way to go. I still
> that everything should be held internally in SI units - now that double
> enough range to cover almost everyones needs.
"Almost everyone" includes ... well you presumably.
As usual embedded developers are ignored .
(In embedded its relatively common to scale during a calc to prevent
overflow. That is sometimes more important than absolute accuracy)
I'm worried about conversion
> loss - your first example warns of the danger.
I guess I should tell users that if they dont use SI units they'd better go
elsewhere because if we convert we'll lose the 32nd decimal place in the
And I am worried about the
> expansion to other all the types of units - many are unecessary (feet
> widely used.
In the U.K.... but not Cumbria I guess
every road sign is in ...er. miles per hour. .. So you dont do H.M contracts
for political reaasons :-)
head for Europe and you have k.m.h... Ok no problem avoid European contracts
in case you encounter these unnecessary units.
Many Americans use imperial units... just stupid I guess :-(
In the butcher 90% of people still ask for a pound of beef. no till/accounts
Every wood yard worker must be able convert feet to metres....
Unit conversion is a real problem now!
> | http://www.servocomm.freeserve.co.uk/Cpp/physical_quantity/index.html
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