On Sun, Aug 28, 2016 at 4:25 AM, Steven D'Aprano <st...@pearwood.info> wrote: > > Sympy (apparently) doesn't warn you if your units are incompatible, it > just treats them as separate terms in an expression: > > py> 2*m + 3*K > 3*K + 2*m > > which probably makes sense from the point of view of a computer algebra > system (adding two metres and three degrees Kelvin is no weirder than > adding x and y). But from a unit conversion point of view, I think > sympy is the wrong solution.
As a generic tool, I would say this is correct. It keeps things simple and straight-forward. Worst case, you see a strange result at the end, rather than getting an instant exception; in fact, it's very similar to NaN, in that some operations might cancel out the "error" status. ChrisA _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
