2014-06-06 17:12 UTC+02:00, Travis Scrimshaw <tsc...@ucdavis.edu>: > I don't think there's much documentation beyond what's in > _coerce_map_from_() in Parent. > > If it returns re, then it uses _element_constructor_ to construct the > morphism. Otherwise you return a morphism. I think there's some examples in > > src/algebras which returns morphisms (I'm pretty sure I've seen it, > definitely wrote some code on it, but I don't remember off-hand for what).
Two other examples are ZZ -> QQ and QQ->ZZ which are respectively a Morphism and a Map (see sage/rings/rational.pyx at the very end of the file). -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
