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  1. 23 Jan, 2019 40 commits
    • Volker Braun's avatar
      Updated SageMath version to 8.7.rc0 · d225645e
      Volker Braun authored
      d225645e
    • Release Manager's avatar
      Trac #26969: Misc pip upgrades · 36ec29e5
      Release Manager authored
      Follow upstream for pip packages that can be updated trivially...
      
      Tarballs are already uploaded.
      
      URL: https://trac.sagemath.org/26969
      Reported by: vbraun
      Ticket author(s): Volker Braun
      Reviewer(s): Frédéric Chapoton
      36ec29e5
    • Release Manager's avatar
      Trac #27023: fix missing :: · 79cf5c98
      Release Manager authored
      If `EXAMPLE:` introduces an indented block of examples, a second `:` is
      necessary, because this block is a code block.
      
      URL: https://trac.sagemath.org/27023
      Reported by: mantepse
      Ticket author(s): Martin Rubey
      Reviewer(s): Frédéric Chapoton, Jeroen Demeyer
      79cf5c98
    • Release Manager's avatar
      Trac #27020: OpenBLAS 0.3.5 · a4dd7dee
      Release Manager authored
      '''Tarball''':
      http://sage.ugent.be/www/jdemeyer/sage/openblas-0.3.5.tar.gz
      
      (renamed from upstream
      https://github.com/xianyi/OpenBLAS/archive/v0.3.5.tar.gz)
      
      URL: https://trac.sagemath.org/27020
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Thierry Monteil, Travis Scrimshaw
      a4dd7dee
    • Release Manager's avatar
      Trac #27017: Remove sage.schemes.elliptic_curves.padics from documentation · e60f32bb
      Release Manager authored
      The file `src/sage/schemes/elliptic_curves/padics.py` contains only
      methods which are imported in
      `src/sage/schemes/elliptic_curves/ell_rational_field.py`
      
      So there is no reason for this module to be documented.
      
      URL: https://trac.sagemath.org/27017
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Kwankyu Lee
      e60f32bb
    • Release Manager's avatar
      Trac #27014: Deprecate sage.misc.misc.uniq · 4fb44bc9
      Release Manager authored
      `uniq(X)` is just a shorthand for `sorted(set(X))`: I don't think that
      we need a separate function for that. More seriously, the sorting is
      problematic since arbitrary sets may not be sortable in general,
      especially in Python 3 or after applying #22029.
      
      URL: https://trac.sagemath.org/27014
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Martin Rubey, Travis Scrimshaw
      4fb44bc9
    • Release Manager's avatar
      Trac #27013: py3: some care for Hadamard matrices · c128368a
      Release Manager authored
      URL: https://trac.sagemath.org/27013
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Travis Scrimshaw
      c128368a
    • Release Manager's avatar
      Trac #27010: py3: avoid .vertices() in methods _ford_fulkerson, edge_cut,... · 65212331
      Release Manager authored
      Trac #27010: py3: avoid .vertices() in methods _ford_fulkerson, edge_cut, bounded_outdegree_orientation and gomory_hu_tree
      
      We fix all doctests errors in py3 of methods
      `bounded_outdegree_orientation` and `gomory_hu_tree` of `graph.py` by
      avoiding calls to `.vertices()` in these methods and in methods
      `edge_cut` and `_ford_fulkerson` of `generic_graph.py`. This also fixes
      some doctests in `generic_graph.py`.
      
      URL: https://trac.sagemath.org/27010
      Reported by: dcoudert
      Ticket author(s): David Coudert
      Reviewer(s): Travis Scrimshaw
      65212331
    • Release Manager's avatar
      Trac #27009: py3: avoid sorting vertices and edges in method treewidth · 58d9680b
      Release Manager authored
      We avoid sorting vertices, edges and connected components. The code is
      better this way, and this fixes a doctest error with py3.
      
      URL: https://trac.sagemath.org/27009
      Reported by: dcoudert
      Ticket author(s): David Coudert
      Reviewer(s): Travis Scrimshaw
      58d9680b
    • Release Manager's avatar
      Trac #27008: py3: avoid .vertices() in method apex_vertices · 1ad58d2b
      Release Manager authored
      Calls to `.vertices()` were performed for small graphs and are not
      needed. We also avoid sorting edges when not required.
      
      URL: https://trac.sagemath.org/27008
      Reported by: dcoudert
      Ticket author(s): David Coudert
      Reviewer(s): Travis Scrimshaw
      1ad58d2b
    • Release Manager's avatar
      Trac #27007: py3: avoid .vertices() in planarity.pyx · 010e1e89
      Release Manager authored
      We change the mappings used in method `is_planar` from file
      `planarity.pyx` to avoid calls to `.vertices()`.
      
      The changes done here were inducing a doctest error in method `genus`
      for
      {{{
      sage: cube.genus(circular=['01','10'], on_embedding=True)
      }}}
      As the documentation indicates that {{{If ``circular`` is defined,
      ``on_embedding`` is not a valid option}}}, we now raise an error in this
      situation.
      
      This patch fixes some doctests that where failing with py3 in methods
      - `TutteGraph` of `smallgraphs.py`
      - `apex_vertices` of `graph.py`
      - `genus` of `generic_graph.py`
      
      URL: https://trac.sagemath.org/27007
      Reported by: dcoudert
      Ticket author(s): David Coudert
      Reviewer(s): Travis Scrimshaw
      010e1e89
    • Release Manager's avatar
      Trac #27005: wrong libgap conversion for matrices over QQ['x'] · c14dc9c4
      Release Manager authored
      For example (in sage 8.6.b1),
      {{{
      sage: x = polygen(QQ,'x')
      sage: M = libgap(matrix(2,2,[x,1,2,3]))
      sage: M
      [ [ x, 1 ], [ 2, 3 ] ]
      sage: M.IsMatrix()
      false
      }}}
      so that all matrix methods are broken on the result
      
      URL: https://trac.sagemath.org/27005
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Travis Scrimshaw
      c14dc9c4
    • Release Manager's avatar
      Trac #27003: _iterator_weight should not sort · 7123d750
      Release Manager authored
      The objects may not be sortable in general.
      
      We remove one `sorted()` call and simplify the code.
      
      For reference: this code was introduced in #25148 (but changed several
      times afterwards).
      
      URL: https://trac.sagemath.org/27003
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Frédéric Chapoton
      7123d750
    • Release Manager's avatar
      Trac #27002: autodoc: use __qualname__ on Python 3 · 48484ef6
      Release Manager authored
      This takes one change from upstream Sphinx autodoc: using `__qualname__`
      to document aliases.
      
      To work around https://github.com/cython/cython/pull/2773 we use this
      only on Python 3.
      
      URL: https://trac.sagemath.org/27002
      Reported by: jdemeyer
      Ticket author(s): Kwankyu Lee
      Reviewer(s): Jeroen Demeyer
      48484ef6
    • Release Manager's avatar
      Trac #26999: 1 optional gurobi doctest failing · 57c5c406
      Release Manager authored
      Using 8.6.beta1 with Gurobi installed and available in Sage (as
      explained [http://doc.sagemath.org/html/en/thematic_tutorials/linear_pro
      gramming.html#using-cplex-or-gurobi-through-sage here]), the command
      {{{
      sage -t --optional=sage,external
      src/sage/numerical/backends/gurobi_backend.pyx
      }}}
      
      gives
      
      {{{
      Using --optional=external,memlimit,sage
      External software to be detected: cplex,ffmpeg,graphviz,gurobi,imagemagi
      ck,internet,latex,macaulay2,magma,maple,mathematica,matlab,octave,pandoc
      ,scilab
      Doctesting 1 file.
      sage -t src/sage/numerical/backends/gurobi_backend.pyx
      **********************************************************************
      File "src/sage/numerical/backends/gurobi_backend.pyx", line 50, in
      sage.numerical.backends.gurobi_backend.GurobiBackend
      Failed example:
          TestSuite(p.get_backend()).run(skip="_test_pickling")         #
      optional - Gurobi
      Expected nothing
      Got:
          Failure in _test_copy:
          Traceback (most recent call last):
            File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-
      packages/sage/misc/sage_unittest.py", line 296, in run
              test_method(tester = tester)
            File "sage/numerical/backends/generic_backend.pyx", line 1255, in
      sage.numerical.backends.generic_backend.GenericBackend._test_copy
      (build/cythonized/sage/numerical/backends/generic_backend.c:14740)
              self._do_test_problem_data(tester, cp)
            File "sage/numerical/backends/generic_backend.pyx", line 1229, in
      sage.numerical.backends.generic_backend.GenericBackend._do_test_problem_
      data (build/cythonized/sage/numerical/backends/generic_backend.c:14457)
              assert_equal_problem_data(method)
            File "sage/numerical/backends/generic_backend.pyx", line 1226, in
      sage.numerical.backends.generic_backend.GenericBackend._do_test_problem_
      data.assert_equal_problem_data
      (build/cythonized/sage/numerical/backends/generic_backend.c:13727)
              tester.assertEqual(getattr(self, method)(), getattr(cp,
      method)(),
            File
      "/home/slabbe/GitBox/sage/local/lib/python2.7/unittest/case.py", line
      513, in assertEqual
              assertion_func(first, second, msg=msg)
            File
      "/home/slabbe/GitBox/sage/local/lib/python2.7/unittest/case.py", line
      506, in _baseAssertEqual
              raise self.failureException(msg)
          AssertionError: problem_name does not match
          ------------------------------------------------------------
          Failure in _test_copy_does_not_share_data:
          Traceback (most recent call last):
            File "/home/slabbe/GitBox/sage/local/lib/python2.7/site-
      packages/sage/misc/sage_unittest.py", line 296, in run
              test_method(tester = tester)
            File "sage/numerical/backends/generic_backend.pyx", line 1265, in
      sage.numerical.backends.generic_backend.GenericBackend._test_copy_does_n
      ot_share_data
      (build/cythonized/sage/numerical/backends/generic_backend.c:14947)
              self._do_test_problem_data(tester, cpcp)
            File "sage/numerical/backends/generic_backend.pyx", line 1229, in
      sage.numerical.backends.generic_backend.GenericBackend._do_test_problem_
      data (build/cythonized/sage/numerical/backends/generic_backend.c:14457)
              assert_equal_problem_data(method)
            File "sage/numerical/backends/generic_backend.pyx", line 1226, in
      sage.numerical.backends.generic_backend.GenericBackend._do_test_problem_
      data.assert_equal_problem_data
      (build/cythonized/sage/numerical/backends/generic_backend.c:13727)
              tester.assertEqual(getattr(self, method)(), getattr(cp,
      method)(),
            File
      "/home/slabbe/GitBox/sage/local/lib/python2.7/unittest/case.py", line
      513, in assertEqual
              assertion_func(first, second, msg=msg)
            File
      "/home/slabbe/GitBox/sage/local/lib/python2.7/unittest/case.py", line
      506, in _baseAssertEqual
              raise self.failureException(msg)
          AssertionError: problem_name does not match
          ------------------------------------------------------------
          The following tests failed: _test_copy,
      _test_copy_does_not_share_data
      **********************************************************************
      1 item had failures:
         1 of   3 in sage.numerical.backends.gurobi_backend.GurobiBackend
          [207 tests, 1 failure, 0.14 s]
      ----------------------------------------------------------------------
      sage -t src/sage/numerical/backends/gurobi_backend.pyx  # 1 doctest
      failed
      ----------------------------------------------------------------------
      Total time for all tests: 0.2 seconds
          cpu time: 0.1 seconds
          cumulative wall time: 0.1 seconds
      External software detected for doctesting: gurobi
      }}}
      
      URL: https://trac.sagemath.org/26999
      Reported by: slabbe
      Ticket author(s): Erik Bray
      Reviewer(s): Sébastien Labbé
      57c5c406
    • Release Manager's avatar
      Trac #26998: py3 fix last 4 failing doctests in combinat/posets · ee7ed3c0
      Release Manager authored
      rather easy, in fact
      
      URL: https://trac.sagemath.org/26998
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Jori Mäntysalo
      ee7ed3c0
    • Release Manager's avatar
      Trac #26997: 5 internet doctests failing in findstat.py · 23f806ca
      Release Manager authored
      On Ubuntu 16.04, running sage-8.5.beta1, the command
      {{{
      sage -t --long --optional=sage,internet src/sage/databases/findstat.py
      }}}
      
      gives
      
      {{{
      ...
      3 items had failures:
         3 of  16 in sage.databases.findstat
         1 of   4 in sage.databases.findstat.FindStatStatistic.__repr__
         1 of   9 in sage.databases.findstat.FindStatStatistic._find_by_values
          [247 tests, 5 failures, 107.27 s]
      ----------------------------------------------------------------------
      sage -t --long src/sage/databases/findstat.py  # 5 doctests failed
      ----------------------------------------------------------------------
      }}}
      
      Full failure log is long and is pasted here: https://framabin.org/p/?b9d
      acda8324c7295#71YTYesLKEKBCNg1LtnDUhKkWDrcm+xiZGDI9a8bjfg=
      
      URL: https://trac.sagemath.org/26997
      Reported by: slabbe
      Ticket author(s): Martin Rubey
      Reviewer(s): Frédéric Chapoton
      23f806ca
    • Release Manager's avatar
      Trac #26995: Upgrade to Pynac-0.7.23 · 0698bfb9
      Release Manager authored
      It has:
      * `rational_power_parts()` fix (Isuru Fernando)
      * `numeric::ratlog()` fix (Eric M Bray, #25948)
      * matching improvements / fixes
      
      https://github.com/pynac/pynac/releases/download/pynac-0.7.23/pynac-0.7.
      23.tar.bz2
      
      URL: https://trac.sagemath.org/26995
      Reported by: rws
      Ticket author(s): Ralf Stephan
      Reviewer(s): Travis Scrimshaw
      0698bfb9
    • Release Manager's avatar
      Trac #23222: Add test to EllipticCurve.isogeny() to check for validity of kernel polynomials · 61928118
      Release Manager authored
      In this example
      
      {{{
      sage: K = GF(47^2)
      sage: E = EllipticCurve([0, K.gen()])
      sage: f = E.division_polynomial(7).factor()[4][0]
      sage: E.is_supersingular()
      True
      sage: E.isogeny(f).codomain().is_supersingular()
      False
      sage: phi = E.isogeny(E.division_polynomial(7).factor()[8][0])
      sage: phi(E.random_point())
      ------------------------------------------------------------------------
      ---
      TypeError                                 Traceback (most recent call
      last)
      ...
      TypeError: Coordinates [16*z2 + 30, 3*z2 + 22, 1] do not define a point
      on Elliptic Curve defined by y^2 = x^3 + (3*z2+36)*x over Finite Field
      in z2 of size 47^2
      }}}
      
      The factors of the seventh division polynomial are not detected as bad
      kernel polynomials, and a wrong isogeny is computed instead.
      
      Tests to detect these cases are in `.isogenies_prime_degree_general()`.
      They should be moved to an independent function and called before
      applying Vélu's formulas.
      
      URL: https://trac.sagemath.org/23222
      Reported by: defeo
      Ticket author(s): John Cremona
      Reviewer(s): Luca De Feo, Frédéric Chapoton
      61928118
    • Release Manager's avatar
      Trac #26988: py3: one tiny fix for isidentifier · 4f560b02
      Release Manager authored
      in symbolic/ring.pyx
      
      This fixes the last failing doctest in calculus
      
      URL: https://trac.sagemath.org/26988
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Travis Scrimshaw
      4f560b02
    • Release Manager's avatar
      Trac #26985: some work on cluster mutation · 90c3b319
      Release Manager authored
      mostly cleaning up, and trying not to use .vertices for digraphs
      
      URL: https://trac.sagemath.org/26985
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Travis Scrimshaw
      90c3b319
    • Release Manager's avatar
      Trac #26981: fix trac ticket number in deprecation warning · ee2d9c56
      Release Manager authored
      In #23978 a wrong ticket number was advertised in a deprecation warning.
      
      URL: https://trac.sagemath.org/26981
      Reported by: vdelecroix
      Ticket author(s): Vincent Delecroix
      Reviewer(s): Frédéric Chapoton
      ee2d9c56
    • Release Manager's avatar
      Trac #26967: py3: some work on modular/modform_hecketriangle/ · 24186b66
      Release Manager authored
      URL: https://trac.sagemath.org/26967
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton
      Reviewer(s): Travis Scrimshaw
      24186b66
    • Release Manager's avatar
      Trac #26958: Inheriting from MPolynomialRing_libsingular crashes sage · 2f738540
      Release Manager authored
      The following crashes sage with a SIGSEGV:
      {{{
      sage: from sage.rings.polynomial.multi_polynomial_libsingular import
      MPolynomialRing_libsingular
      sage: class Foo(MPolynomialRing_libsingular):
      ....:     pass
      sage: Foo(QQ, 2, ['x','y'], 'degrevlex')
      }}}
      Strangely enough this bug is triggered only when inheriting; indeed the
      following works as expected:
      {{{
      sage: from sage.rings.polynomial.multi_polynomial_libsingular import
      MPolynomialRing_libsingular
      sage: MPolynomialRing_libsingular(QQ, 2, ['x','y'], 'degrevlex')
      Multivariate Polynomial Ring in x, y over Rational Field
      }}}
      
      As it turns out this bug is due to a spurious call to `__init_extra__`
      of `Algebras(...).parent_class`. Univariate polynomial rings avoid this
      call by setting  the attribute `_no_generic_basering_coercion = True`;
      now multivariate polynomial rings do so too.
      
      URL: https://trac.sagemath.org/26958
      Reported by: etn40ff
      Ticket author(s): Salvatore Stella
      Reviewer(s): Jeroen Demeyer
      2f738540
    • Release Manager's avatar
      Trac #26943: Giac support for term orders and elimination · 319b7ac9
      Release Manager authored
      This ticket improves `sage.libs.giac` by adding support for:
      
      - `lex`, `deglex`, as well as block orders with 2 `degrevlex` blocks in
      Groebner basis computations,
      - computation of elimination ideals.
      
      Additionally, this adds an optional keyword `algorithm=...`  to
      `sage.rings.polynomial.multi_polynomial_ideal.elimination_ideal` to
      allow choosing between libsingular and Giac implementations.
      
      For further information, here is the documentation of [https://www-
      fourier.ujf-grenoble.fr/~parisse/giac/doc/fr/cascmd_fr/cascmd_fr282.html
      giac's eliminate] and [https://groups.google.com/d/msg/sage-
      devel/cxs2fNKecLo/49nl9z1MCQAJ the discussion] in which I learned that
      Giac supports this.
      
      URL: https://trac.sagemath.org/26943
      Reported by: gh-mwageringel
      Ticket author(s): Markus Wageringel
      Reviewer(s): Vincent Delecroix
      319b7ac9
    • Release Manager's avatar
      Trac #26938: IncidenceStructure breaks if points cannot be sorted · 537b9184
      Release Manager authored
      This sort can fail if the points are not comparable:
      {{{
                      sortkey = lambda e: [(0 if x is None else 2 if
      isinstance(x, str) else 1, x) for x in e]\
                          if isinstance(e, tuple) else e
                      self._points = sorted(points, key=sortkey)
      }}}
      
      The `sortkey` tries to find a clever way to "sort" the points but
      hardcoding classes like that is not a general solution. In particular,
      it's still comparing integers and strings when #22029 is appplied.
      
      Instead, just don't sort.
      
      URL: https://trac.sagemath.org/26938
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Frédéric Chapoton
      537b9184
    • Release Manager's avatar
      Trac #26936: WordMorphism: domain/codomain should be sortable if not given · 37065d12
      Release Manager authored
      In `src/sage/combinat/words/morphism.py`, there is the following code:
      {{{
      dom_alph.sort()
      }}}
      and
      {{{
      return FiniteWords(sorted(codom_alphabet))
      }}}
      
      These will break with #22029.
      
      URL: https://trac.sagemath.org/26936
      Reported by: jdemeyer
      Ticket author(s): Sébastien Labbé
      Reviewer(s): Jeroen Demeyer
      37065d12
    • Release Manager's avatar
      Trac #26933: Subsets_s should support unsortable sets · cdab354e
      Release Manager authored
      It should not force sorting the set, which may be unsortable.
      
      URL: https://trac.sagemath.org/26933
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Travis Scrimshaw
      cdab354e
    • Release Manager's avatar
      Trac #26917: py3: some fix in set_partition · 6a818ec5
      Release Manager authored
      URL: https://trac.sagemath.org/26917
      Reported by: chapoton
      Ticket author(s): Frédéric Chapoton, Martin Rubey
      Reviewer(s): Frédéric Chapoton, Travis Scrimshaw
      6a818ec5
    • Release Manager's avatar
      Trac #26864: Indentation error in Number Field · be09cc21
      Release Manager authored
      Followup to a comment in #22148 to fix the indentation in numberfield.py
      within the solve_S_unit_equation function.
      
      URL: https://trac.sagemath.org/26864
      Reported by: mwest
      Ticket author(s): Mckenzie West
      Reviewer(s): Jeroen Demeyer
      be09cc21
    • Release Manager's avatar
      Trac #26839: RealLazyField: converting constants in an expression to float · a915a3ab
      Release Manager authored
      `RealLazyField` exhibits the following bug on 8.4 stable and on
      development branch:
      
      {{{
      sage: float(sin(RLF.pi()))
      
      ------------------------------------------------------------------------
      ---
      AttributeError                            Traceback (most recent call
      last)
      <ipython-input-1-750e6734ef1c> in <module>()
      ----> 1 float(sin(RLF.pi()))
      
      /home/pat/Software/Sage/sage-git/sage/local/lib/python2.7/site-
      packages/sage/rings/real_lazy.pyx in
      sage.rings.real_lazy.LazyNamedUnop.__float__
      (build/cythonized/sage/rings/real_lazy.c:16203)()
         1404             0.8414709848078965
         1405         """
      -> 1406         return self.eval(float)
         1407
         1408     def __call__(self, *args):
      
      /home/pat/Software/Sage/sage-git/sage/local/lib/python2.7/site-
      packages/sage/rings/real_lazy.pyx in
      sage.rings.real_lazy.LazyNamedUnop.eval
      (build/cythonized/sage/rings/real_lazy.c:15520)()
         1348             2.0
         1349         """
      -> 1350         arg = self._arg.eval(R)
         1351         cdef bint has_extra_args = self._extra_args is not None
      and len(self._extra_args) > 0
         1352         if type(R) is type:
      
      /home/pat/Software/Sage/sage-git/sage/local/lib/python2.7/site-
      packages/sage/rings/real_lazy.pyx in
      sage.rings.real_lazy.LazyConstant.eval
      (build/cythonized/sage/rings/real_lazy.c:16924)()
         1490                 else:
         1491                     raise TypeError("The complex constant I is
      not in this real field.")
      -> 1492         f = getattr(R, self._name)
         1493         if self._extra_args is None:
         1494             return f()
      
      AttributeError: type object 'float' has no attribute 'pi'
      }}}
      
      The same issue appears with RDF replacing float.
      
      Vincent noted that the following works fine:
      
      {{{
      sage: (sin(RLF.pi())).eval(RDF)
       1.2246467991473515e-16
      }}}
      
      On the other hand I get:
      {{{
      sage: (sin(RLF.pi())).eval(float)
      
      ------------------------------------------------------------------------
      ---
      AttributeError...
      }}}
      
      URL: https://trac.sagemath.org/26839
      Reported by: wphooper
      Ticket author(s): Vincent Delecroix
      Reviewer(s): Sébastien Labbé
      a915a3ab
    • Release Manager's avatar
      Trac #26834: pep8 cleaning in vertex_separation.pyx · cefb74fd
      Release Manager authored
      URL: https://trac.sagemath.org/26834
      Reported by: dcoudert
      Ticket author(s): David Coudert
      Reviewer(s): Vincent Klein
      cefb74fd
    • Release Manager's avatar
      Trac #26810: Permutations(avoiding=[[1,3,2]]) returns all permutations · c6125397
      Release Manager authored
      {{{
      sage: Permutations(avoiding=[[1,3,2]])
      Standard permutations
      }}}
      We simply implement an appropriate class.  Now
      {{{
      [1,3,2] in Permutations(avoiding=[1,3,2])
      }}}
      works as expected.
      
      URL: https://trac.sagemath.org/26810
      Reported by: mantepse
      Ticket author(s): Martin Rubey
      Reviewer(s): Daniel Krenn, Travis Scrimshaw
      c6125397
    • Release Manager's avatar
      Trac #26809: Wrong contains in Permutations avoiding a pattern · 52633235
      Release Manager authored
      {{{
      sage: P = Permutations(3, avoiding=[[1,3,2]])
      sage: P.list()
      [[1, 2, 3], [3, 1, 2], [2, 1, 3], [2, 3, 1], [3, 2, 1]]
      sage: [1,3,2] in P
      True
      }}}
      
      URL: https://trac.sagemath.org/26809
      Reported by: mantepse
      Ticket author(s): Martin Rubey
      Reviewer(s): Daniel Krenn, Travis Scrimshaw
      52633235
    • Release Manager's avatar
      Trac #26516: Wrong sig_on_count in SharedMeatAxe · 33ec2f82
      Release Manager authored
      When running doctests in my applications of SharedMeatAxe,
      `sig_on_count` reveals problems.
      
      URL: https://trac.sagemath.org/26516
      Reported by: SimonKing
      Ticket author(s): Simon King
      Reviewer(s): Jeroen Demeyer
      33ec2f82
    • Release Manager's avatar
      Trac #26361: Glucose SAT solver · faab3306
      Release Manager authored
      This ticket adds a glucose experimental or optional package, and fixes
      the old glucose interface.
      
      Tarball: http://www.labri.fr/perso/lsimon/downloads/softwares/glucose-
      syrup-4.1.tgz
      
      URL: https://trac.sagemath.org/26361
      Reported by: tmonteil
      Ticket author(s): Thierry Monteil, Sébastien Labbé
      Reviewer(s): Vincent Delecroix
      faab3306
    • Release Manager's avatar
      Trac #26183: doctest: tolerance parsing and ellipses · ce239b2e
      Release Manager authored
      When a line of test input tagged with e.g. `# rel tol` throws a warning
      or error, the line numbers, version numbers, etc. in the tracebacks are
      tested, even if there are ellipses in the test output signaling that
      they should be ignored.
      
      Here's a toy example:
      
      {{{
      def foo():
          """
          The following test fails. We should disallow this.
      
          TESTS::
              sage: foo() # rel tol 1e-1
              [0, ... 9]
          """
          print([j for j in range(10)])
      }}}
      
      We should throw an error if these are used in the same doctest, as this
      can lead to confusing output.
      
      URL: https://trac.sagemath.org/26183
      Reported by: gh-bryangingechen
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Erik Bray
      ce239b2e
    • Release Manager's avatar
      Trac #26156: 0.0 is printed with too many digits · 580c25bd
      Release Manager authored
      {{{
      sage: RR(0).str(digits=3)
      '0.000'
      }}}
      
      This is trivial to fix, but then it causes hundreds of doctest failures
      since every real zero is printed with one less digit. To compensate for
      this, we add one extra digit for 0.0 in the default case.
      
      URL: https://trac.sagemath.org/26156
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Travis Scrimshaw
      580c25bd
    • Release Manager's avatar
      Trac #25931: changes to partition for k combinat · ddfe6f3a
      Release Manager authored
      The first changes to sage in order to migrate the
      https://github.com/MareoRaft/k_combinat_for_sage library (see also
      #25295) involve changing `partition.py`.
      
      This ticket is now READY FOR REVIEW :)
      
      URL: https://trac.sagemath.org/25931
      Reported by: gh-MareoRaft
      Ticket author(s): Matthew Lancellotti
      Reviewer(s): George H. Seelinger
      ddfe6f3a
    • Release Manager's avatar
      Trac #25900: Package libffi · 08166d10
      Release Manager authored
      This is required for compiling Python 3.7
      
      '''Tarball''': ftp://sourceware.org/pub/libffi/libffi-3.2.1.tar.gz
      
      URL: https://trac.sagemath.org/25900
      Reported by: jdemeyer
      Ticket author(s): Jeroen Demeyer
      Reviewer(s): Frédéric Chapoton, Erik Bray
      08166d10