On 9/29/15 11:26 AM, Luca Vercelli wrote:
> Dear developers,
> I think that commonsmath lacks support for number theory and algebra.
> In particular, the "primes" package is quite poor, as it only supports
> "int" primes, where some "BigInteger" would be required when searching
> for large primes.
> Second fact, for algebra applications, Rings and such would be preferred
> to Fields.
> I did some try here:
> https://github.com/apache/commonsmath/pull/17
I am not opposed to adding some number theory and more discrete math
applications; but in general we have steered away from adding
abstractions just to have them  i.e., our aim is not to provide a
universal math API. We are really an applied math library. We have
always focused on applications, adding the abstractions that we need
to solve the problems that [math] developers and users have in
applications. For example, Field and FieldElement exist because
without them we could not have implemented some algorithms (or more
precisely, we would have had to implement some things separately for
real and complex numbers.) Can you provide some examples showing
how Rings and Monoids would be used to solve applied problems? I am
asking this naively so that we can focus the abstraction that we add
on the problems we are going to solve. In other words, I would be
much happier extending interfaces if I had a problem whose solution
was easier as a result of the added abstraction.
Phil
>
> Luca
> (Apologizes if this email was sent multiple times)
>
>
>
> 
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