#18299: upgrade prime_powers
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Reporter: vdelecroix | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.7
Component: number theory | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #16880 | Stopgaps:
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Comment (by leif):
W.r.t. generators:
I guess Karl-Dieter refers to displaying `generator object at ...`
instead of a list of numbers in interactive mode, which might be annoying
to (Python) newbies.
In general (or most cases), generators are "better", so we'd IMHO just
have to educate new users somehow, telling them they can simply use
`list(foo)`. ;-)
Or we could let the "default" functions wrap generator versions, but then
we'd have to revert the behaviour of `primes()` etc. again, which is a bit
odd as well.
IIRC Cython meanwhile supports generators, so e.g. `primes()` could be
sped up, at least for "small" numbers (exceeding PARI's stored primes),
but that's a bit off-topic.
--
Ticket URL: <http://trac.sagemath.org/ticket/18299#comment:5>
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