Re: [boost] Re: physical-quantities (was: runtime unit-modifiable ...)

From: Matthias Schabel (boost_at_[hidden])
Date: 2004-01-08 00:16:31

> I think that's what I meant.  You have some underlying system for  
> remembering the dimensions of values that are all stored in "basic"  
> units, so that you can divide a length by a time^2 and get an  
> acceleration.  If your basic units are SI then that's all fine.  Then  
> you have a units library that just converts from (say) feet to the  
> basic length unit, right?
>
> The dimensional analysis part knows nothing about units, but the unit  
> conversion part knows about dimensions, right?

Right - it's a one way street with the dimensional analysis at the  
bottom and units pasted in on top.

------------------------------------------------------------------------ 
---------------------------
Matthias Schabel, Ph.D.                           	
Utah Center for Advanced Imaging Research
729 Arapeen Drive
Salt Lake City, UT  84108
801-587-9413 (work)
801-585-3592 (fax)
801-706-5760 (cell)
801-484-0811 (home)
mschabel at ucair med utah edu