#11885: call function in sage.libs.mpmath.utils doesn't handle
parent=parent(float)
------------------------------+---------------------------------------------
Reporter: benjaminfjones | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: symbolics | Keywords: mpmath call parent
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
------------------------------+---------------------------------------------
In multiple places in the Sage library the function
`sage.libs.mpmath.utils.call` is called and inputs are passed along with
their parents. If the parent of the input doesn't have a `prec` method, an
AttributeError is raised:
{{{
sage: import sage.libs.mpmath.all as a
sage: z = float(4)
sage: a.call(a.e1, z)
0.00377935240984891
sage: a.call(a.e1, z, parent=parent(z))
---------------------------------------------------------------------------
AttributeError Traceback (most recent call
last)
/Users/jonesbe/sage/sage-4.7.2.alpha2/devel/sage-test/sage/<ipython
console> in <module>()
/Users/jonesbe/sage/latest/local/lib/python2.6/site-
packages/sage/libs/mpmath/utils.so in sage.libs.mpmath.utils.call
(sage/libs/mpmath/utils.c:5277)()
AttributeError: type object 'float' has no attribute 'prec'
}}}
This can be fixed with a simple check in in the `call` code in
`sage/libs/mpmath/utils.pyx`.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11885>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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