Re: [boost] Interest in dimension/unit-checking library?

From: Deane Yang (deane_yang_at_[hidden])
Date: 2005-10-12 16:04:32

Jeff Garland wrote:
> On Wed, 12 Oct 2005 10:21:55 -0400, Deane Yang wrote
>> Jeff Garland wrote:
>>>  However,
>>> I now have reasons to be more interested in the theoretical foundations. 
>>> Specifically, the LWG committee is rightly an intense group that needs to
>>> ensure the quality and correctness of things that get added to the standard --
>>> having additional theoretical foundations for the date-time concepts can't
>>> hurt.  Any chance you can point me to some sort of references (preferably
>>> readable to folks that have only taken ~15 college math courses ;-)
>>>
>> Here's a brief summary of the idea (assuming that you learned about 
>> vector spaces (http://en.wikipedia.org/wiki/Vector_space)  in linear 
>> algebra) (In anything you read about vector and affine spaces, if 
>> they say "field F", just assume that F is the set of real numbers):
>> ...
>> ...snip good stuff...
> 

An explanation of affine spaces and their role in computer graphics can 
be found at

http://www.cs.fit.edu/~wds/classes/graphics/Transform/transform/transform.html

When working with units and dimensions, we're just doing 1-dimensional 
geometry.