#14982: When a parent is equipped with an embedding, consider coercions that
don't
go through the embedding
-------------------------------------+-------------------------------------
Reporter: mmezzarobba | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.4
Component: coercion | Resolution:
Keywords: embedding | Merged in:
Authors: Marc Mezzarobba | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/mmezzarobba/14982-coerce_embeddings|
f32b52f4176684d57e4e6b83f80c2c553ffcc8eb
Dependencies: | Stopgaps:
-------------------------------------+-------------------------------------
Comment (by mmezzarobba):
Replying to [comment:43 vdelecroix]:
> In this comment
> {{{
> + # As a consequence, a value of __an_element with the wrong
class
> + # is cached during the call to has_coerce_map_from. We
reset the
> + # cache afterwards.
> }}}
> you refer to `__an_element`. But you changed the attribute's name to
`_cache_an_element`.
Thanks, fixed.
> The hack for quadratic number field is horrible...
You are the one who introduced it, aren't you? `;-)` So I guess you
understand what it is for better than I do. In any case I just tested the
change you suggested (on top of my branch + the current master) and it
doesn't seem to break anything.
--
Ticket URL: <http://trac.sagemath.org/ticket/14982#comment:44>
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