#4000: Implement QQ['x'] via Flint ZZ['x'] + denominator
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Reporter: malb | Owner: somebody
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.3.2
Component: basic arithmetic | Keywords:
Author: Sebastian Pancratz, Martin Albrecht | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by AlexGhitza):
Replying to [comment:44 spancratz]:
> Here is a simpler instance of the problem:
> {{{
> sage: R.<x> = QQ[]
> sage: f = 3/2*x - 1/3
> sage: %time _ = f % f
> CPU times: user 5.67 s, sys: 0.17 s, total: 5.84 s
> Wall time: 5.86 s
> }}}
On my laptop, this gives me
{{{
----------------------------------------------------------------------
| Sage Version 4.3.1, Release Date: 2010-01-20 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: sage: R.<x> = QQ[]
sage: sage: f = 3/2*x - 1/3
sage: sage: %time _ = f % f
Error: unable to alloc/realloc memory
/opt/sage-4.3.1-archlinux-32bit-i686-Linux/local/bin/sage-sage: line 206:
17772 Aborted (core dumped) sage-ipython "$@" -i
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4000#comment:46>
Sage <http://www.sagemath.org>
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