#19319: iterator over pairs on diagonals a la Cantor pairing
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Reporter: dkrenn | Owner:
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.9
Component: misc | Resolution:
Keywords: | Merged in:
Authors: Daniel Krenn | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/dkrenn/product_cantor_pairing | 17229c620b4aff47161b725de2ebb4f890cfc2af
Dependencies: | Stopgaps:
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Comment (by dkrenn):
Replying to [comment:5 ncohen]:
> If you don't care, I just gave it a try:
>
> {{{
> def product(A,B):
> B = iter(B)
> lb = []
> b_done = False
> for a in A:
> try:
> if not b_done:
> lb.append(B.next())
> except StopIteration:
> b_done = True
> for b in lb:
> yield (a,b)
> }}}
Your code does not give all pairs...
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Ticket URL: <http://trac.sagemath.org/ticket/19319#comment:9>
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