#4278: [with patch, needs review] Old parent's don't correctly handle coerce
maps
from Python's native types.
----------------------+-----------------------------------------------------
Reporter: mhansen | Owner: robertwb
Type: defect | Status: new
Priority: major | Milestone: sage-3.1.3
Component: coercion | Keywords:
----------------------+-----------------------------------------------------
Before
{{{
sage: QQ['q,t'].coerce_map_from(int)
sage:
}}}
After
{{{
Composite map:
From: Set of Python objects of type 'int'
To: Multivariate Polynomial Ring in q, t over Rational Field
Defn: Native morphism:
From: Set of Python objects of type 'int'
To: Integer Ring
then
Call morphism:
From: Integer Ring
To: Multivariate Polynomial Ring in q, t over Rational Field
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4278>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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