Re: [boost] [Review][PQS] Physical Quantities System review (May31through June 9)

From: Paul Giaccone (paulg_at_[hidden])
Date: 2006-06-07 07:27:08

Martin Bonner wrote:
> ----Original Message----
> From: boost-bounces_at_[hidden]
> [mailto:boost-bounces_at_[hidden]] On Behalf Of Paul Giaccone Sent:
> 07 June 2006 12:20 To: boost_at_[hidden]
> Subject: Re: [boost] [Review][PQS] Physical Quantities System review
> (May31through June 9) 
>
>   
>> Andy Little wrote:
>>     
>>> Hi Paul,
>>>
>>> "Paul A Bristow" <pbristow_at_[hidden]> wrote in message
>>> news:E1FneN9-00014T-OY_at_he303war.uk.vianw.net...
>>>
>>>       
>>>> 4  It isn't immediately obvious to me how to ensure output in SI
>>>> 'engineering' multiples, depending on the value.
>>>> For example, 0.123 m outputs as 1.23 mm, but 1234.5 m outputs as
>>>> 1.2345 km. 
>>>>
>>>>         
>> ...and this point too: 0.123 m = 123 mm or 1.23 decametres (but not
>> 1.23 mm), so either the above is a bug or incorrectly transcribed.
>>     
>
> <nit>
> 0.123 m = 1.23 decimetres = 0.0123 decametres.
> </nit>
> You can see why SI deprecated deca and deci.  :-)
>
>   
Oh yes, duh! Thanks for the correction.