Re: [boost] units: review

From: David Walthall (walthall_at_[hidden])
Date: 2007-04-02 15:41:55

Matthias Schabel wrote:
> Good point - I'm OK with having a single well-defined quantity_cast,  
> eliminating the other use cases and eliminating  
> quantity_reinterpret_cast - for the latter, users might just as well  
> use the built-in reinterpret_cast...
> 
> Matthias

Do the casts give you anything that dividing by the unit doesn't get for 
you?  For example, if we have a quantity len, and we want to get the value:

     quantity<SI::length> len = 2.0 * SI::meters;
     double d = len / SI::meters; // <---- gets the value!!

David