#20086: rational powers in ZZ[X] and QQ[X]
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Reporter: cheuberg | Owner:
Type: defect | Status: needs_work
Priority: major | Milestone: sage-7.2
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: Clemens | Reviewers: Benjamin Hackl,
Heuberger, Vincent Delecroix, | Vincent Delecroix
Benjamin Hackl | Work issues:
Report Upstream: N/A | Commit:
Branch: public/20086 | 5fc1027e43d601a791568b22f12ec70957c47519
Dependencies: | Stopgaps:
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Comment (by behackl):
Replying to [comment:89 nbruin]:
> I would think most people would prioritize #20571 over such
typographical issues, so I wouldn't sweat too hard over parentheses at
this point. Another issue: while it's nice to have informative error
messages, error strings that cost a lot to be constructed only to be
caught by an "except" statement can mean a performance penalty. This is
more an issue in python than in many other languages because there's a
culture in python (and perhaps even more so in some parts of sage) to use
exceptions for regular program flow control, not just for error
conditions.
Yes, that's my feeling too. While it is somehow unfortunate, I can very
well live with it.
I've fixed the doctests and tested the entire
`src/sage/rings/polynomial`-directory; let's see what the patchbot thinks.
--
Ticket URL: <http://trac.sagemath.org/ticket/20086#comment:91>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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