Trac 13272: remove proof keyword from univariate polynomial's factor()
Trac 13272: Cleanup of docstring of factor() for univariate polynomials
#14318: More doctests from the book "Calcul mathématique avec Sage" chapter "integration"
trac #14318 lower precision required
Trac #15396: implement an_element for affine and projective spaces
trac #15396 first review patch
trac #15417 correct details in doc of timeit
trac #15661: Integers have no order
trac #15665: Error with edges in empty immutable graph
trac #15396 proposal for more typical elements
Trac #14318: More doctests from the book "Calcul mathématique avec Sage" chapter "integration"

The attached file provides doctests for examples in the chapter on
integration and differential equations. Tests pass with 5.11.

Apply only [attachment:trac_14318_doctests_from_french_book.patch]

URL: http://trac.sagemath.org/14318
Reported by: lfousse
Ticket author(s): Laurent Fousse, Paul Zimmermann, Frédéric Chapoton
Reviewer(s): Frédéric Chapoton, Paul Zimmermann
Trac #15661: Integers have no order

Ahahahahaahah

{{{
sage: 9.order()
+Infinity
}}}

This was deprecated by #5997. Let's remove it `;-)`

Nathann

URL: http://trac.sagemath.org/15661
Reported by: ncohen
Ticket author(s): Nathann Cohen
Reviewer(s): Punarbasu Purkayastha
Trac #15396: fix  .an_element for affine and projective spaces

There are two failures when the TestSuite is run on affine or projective
space. They are `test_an_element`, `test_some_elements`.  The first just
needs an implementation of `an_element` which is done in this ticket.
The second seems to be an underlying issue with `test_category` and will
not be addressed here.

URL: http://trac.sagemath.org/15396
Reported by: bhutz
Ticket author(s): Ben Hutz
Reviewer(s): Frédéric Chapoton
Trac #13272: clean up the factor() docstring/interface for univariate polynomials

Working on #11731, I realized that the docstring for factor() could also
be cleaned up.

To make reviewing easier, I moved this to a separate ticket.

URL: http://trac.sagemath.org/13272
Reported by: saraedum
Ticket author(s): Julian Rueth
Reviewer(s): Peter Bruin, Jeroen Demeyer
Trac #15417: timeout in documentation of timeit

In the docstring of {{{timeit}}} you find
{{{
It is also based on IPython's %timeout command.
}}}
Should this be {{{%timeit}}}?

(I tried {{{%timeout}}}, which didn't work und I did a short internet
search and couldn't find an such a command. Feel free to close this
ticket, if {{{%timeout}}} is correct.)

URL: http://trac.sagemath.org/15417
Reported by: dkrenn
Ticket author(s): Frédéric Chapoton
Reviewer(s): Jeroen Demeyer
Trac #15665: Error with edges in empty immutable graph

Using the default backend, it works:
{{{
sage: Graph().edges()
[]
}}}
but making the graph immutable does not:
{{{
sage: Graph(immutable=True).edges()
------------------------------------------------------------------------
---
ValueError                                Traceback (most recent call
last)
<ipython-input-10-140959f52625> in <module>()
----> 1 Graph(immutable=True).edges()

/home/travis/sage/local/lib/python2.7/site-
packages/sage/graphs/generic_graph.pyc in edges(self, labels, sort, key)
   9397         if not(sort) and key:
   9398             raise ValueError('sort keyword is False, yet a key
function is given')
-> 9399         L = list(self.edge_iterator(labels=labels))
   9400         if sort:
   9401             L.sort(key=key)

/home/travis/sage/local/lib/python2.7/site-
packages/sage/graphs/base/static_sparse_backend.so in iterator_edges
(sage/graphs/base/static_sparse_backend.c:7820)()

/home/travis/sage/local/lib/python2.7/site-packages/sage/misc/bitset.so
in sage.misc.bitset.FrozenBitset.__init__ (sage/misc/bitset.c:5548)()

ValueError: Bitsets must not be empty
}}}

URL: http://trac.sagemath.org/15665
Reported by: tscrim
Ticket author(s): Nathann Cohen
Reviewer(s): Travis Scrimshaw