On Sat, Jan 9, 2010 at 12:03 PM, Minh Nguyen <nguyenmi...@gmail.com> wrote: > Hi, > > On Sun, Jan 10, 2010 at 2:06 AM, javier <vengor...@gmail.com> wrote: >> Sorted it out, I had forgotten to import one file. Sorry for the >> noise. Class patches nicely now; I am just having some test failures >> due to different orderings of some output sets. Is there a standard >> way of implementing tests that involve sets as outputs? > > You should be aware there is no fixed ordering when you output the > elements of a set. This is especially important when you have the > string representation of all elements of a set as expected output in a > doctest. For example, on some platform a set consisting of the > elements 1, 2, 3 might be output in a different order such as 3, 2, 1. > If the elements of your set can be sorted in some standard order, it > might be a good idea to first sort the elements, then have the sorted > elements be expected output of a doctest. A similar issue applies when > you have the values of a dictionary as expected output in a doctest. > > >> In a related matter, in the _set_ method, is it better to return a >> python set or a sage Set? > > I don't know how to answer this question without knowing the (updated) > code or the context of the code.
I would vote for a Sage set. William
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