From: Steven Watanabe (steven_at_[hidden])
Date: 2007-03-05 15:54:52
AMDG
Dave Steffen <dgsteffen <at> numerica.us> writes:
>
> a) It might be handy, though, to have (for example) a log function
> that enforces unitless quantities. For example,
>
> log ( velocity * time / meters )
>
> is fine, but if you forget to multiply by the time, you get a
> helpful error message.
>
> b) It might also be handy, if possible, to have some functions that
> take units and know what to do; for example, sqrt (m*m) properly
> returns meters, and so forth.
>
Absolutely.
We already have sin/cos &c.
We don't have sqrt but root<2>(m * m) will give
give the correct answer (albeit inefficiently).
I'll look through cmath and add all the applicable
functions.
In Christ,
Steven Watanabe