#12105: RuntimeError: Segmentation fault with nth_root
-------------------------+--------------------------------------------------
Reporter: lfousse | Owner: jason, jkantor
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.8
Component: numerical | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author: Johan Bosman
Merged: | Dependencies:
-------------------------+--------------------------------------------------
Changes (by newvalueoldvalue):
* status: new => needs_review
* milestone: => sage-4.8
* author: => Johan Bosman
Old description:
> {{{
> sage: RealField(53)(0.05).nth_root(7 * 10^8)
> ---------------------------------------------------------------------------
> RuntimeError Traceback (most recent call
> last)
>
> /opt/sage-4.7.2/<ipython console> in <module>()
>
> /opt/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/real_mpfr.so
> in sage.rings.real_mpfr.RealNumber.nth_root
> (sage/rings/real_mpfr.c:23889)()
>
> RuntimeError: Segmentation fault
> }}}
New description:
{{{
sage: RealField(53)(0.05).nth_root(7 * 10^8)
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call
last)
/opt/sage-4.7.2/<ipython console> in <module>()
/opt/sage-4.7.2/local/lib/python2.6/site-packages/sage/rings/real_mpfr.so
in sage.rings.real_mpfr.RealNumber.nth_root
(sage/rings/real_mpfr.c:23889)()
RuntimeError: Segmentation fault
}}}
Apply [attachment:12105.patch] to the Sage repository.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12105#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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