(Numeric) should -7 % 5 = -2 ?

[Louis M. Pecora]

In article <mailman.1056836805.17229.python-list at python.org>, Fredrik
Lundh <fredrik at pythonware.com> wrote:

> > >>> -7 % 5
> > 3
> > >>> Numeric.array(-7) % 5
> > -2
> > >>> Numeric.remainder(-7, 5)
> > -2
> 
> looks like Numeric implements C semantics, which is different
> from how Python does it.

Hmmm...  "remainder" makes sense.  But "%" is mod, right.  IIRC from my
abstract algebra days (only 30 yrs ago :-) ) The "X mod n" function
maps onto the postive integers from 0 to n-1.  So sounds like numeric
contradicts the math texts.  Not good since it's a math module.
*

-- 
Lou Pecora
  - My views are my own.