#7957: problems with real_part function
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Reporter: burcin | Owner: burcin
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.3.2
Component: symbolics | Keywords:
Work_issues: | Author: Burcin Erocal
Upstream: N/A | Reviewer:
Merged: |
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Changes (by newvalueoldvalue):
* status: new => needs_review
* author: => Burcin Erocal
Comment:
attachment:trac_7957-pynac_exceptions.patch adds exception handling to
sage/symbolic/pynac.pyx to eliminate the "error ignored" message.
With a simple change in the pynac `numeric::real()` code, new timings are:
Before:
{{{
sage: %time real(v14)
CPU times: user 30.19 s, sys: 0.42 s, total: 30.61 s
Wall time: 30.96 s
-0.5773508481209188?
}}}
After:
{{{
sage: %time real(v14)
CPU times: user 0.01 s, sys: 0.00 s, total: 0.01 s
Wall time: 0.01 s
-0.5773508481209188?
}}}
I'll make a new pynac package including this change available soon.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7957#comment:1>
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