David Narvaez david.narvaez at computer.org
Wed Aug 13 12:53:17 UTC 2014

On Wed, Aug 13, 2014 at 1:46 AM, Garret Wassermann <gwasser at gmail.com> wrote:
> A library that allows one to define new derived units in terms of
> base units and register them with the library would be really cool.
> it could be useful for anyone no matter how specialized the field,
> rather than having to update the library itself every time someone
> wants a new unit.
> I would also like to see a library that allows basic arithmetic with
> these units. Perhaps overloaded operators to allow one to add or
> multiply quantities and preserve the correct resulting units.
> Being able to for example set a = 2 kg, and b = 9.8 m/s^2,
> then type c = a * b and have the library know that
> c has the unit of Newtons now (or at least, know how to combine
> the units and show the resulting kg*m/s^2 and check that it is
> equivalent to a newton). It will be useful
> as a sanity check on my work, though I also see this being
> useful for more educational oriented software.

There is what I consider a good design idea for such a library at


written by someone that I think knows some stuff about C++.

David E. Narvaez

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