#7251: Allow for Integer(3, parent = MyParent)
--------------------------------+-------------------------------------------
Reporter: nthiery | Owner: somebody
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.2
Component: basic arithmetic | Keywords: Integer, IntegerWrapper
Work_issues: | Author: Nicolas M. Thiéry
Reviewer: | Merged:
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The attached patch allows for the creation of integers whose parents are
not IntegerRing():
{{{
sage: n = Integer(3, parent = Primes())
sage: n
3
sage: n.parent()
Set of all prime numbers: 2, 3, 5, 7, ...
}}}
That's used in a couple places in the category code #5891, when
illustrating how to create new parents like the set of prime integers. So
this is quite urgent.
Any better implementation welcome! I am fine also with having this work
only for IntegerWrapper.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7251>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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