Sage 9.5.beta8 released

[Volker Braun]

As always, you can get the latest beta version from the "develop" git branch. Alternatively, the self-contained source tarball is at http://www.sagemath.org/download-latest.html 

We should probably make a release some time soon... if you have anything that you want to get into 9.5 then get it polished now ;)

d6d0edce10 (tag: 9.5.beta8, trac/develop) Updated SageMath version to 9.5.beta8
36135459d5 Trac #32215: Asymptotic Term Monoids: refactor element construction
493433c9e6 Trac #32037: Upgrade to lcalc-2.0.4
f6de12b059 Trac #31366: docbuild: switch from optparse to argparse
5dd6fabf5e Trac #25009: update and promote spkg primecount
768f8cc0ce Trac #21042: Contour plot of zero fails with rich representation warning
e472a447b7 Trac #13674: Cholesky decomposition for sparse matrices
f71b4e31bb Trac #7676: shortest_path_all pairs in Cython through Floyd Warshall
91b2153b8f Trac #6604: Polish the use of iterators in C graphs
14f2f3e4bc Trac #32929: Bad determination of the coordinate range when restricting charts to subdomains
2168538854 Trac #32918: configure: Also check installation records in SAGE_VENV/var/lib/sage/installed
8b176aaa0a Trac #32909: Fix deprecation warnings with matplotlib 3.5
a44d9b3c7c Trac #32901: Cache _row_ambient_module of matrices
4332f9dcd0 Trac #32954: sage.libs.singular: On cygwin, do not try to reload the singular library
0520ff1857 Trac #32946: "sage --docbuild DOC html" is broken
1f1ebc3e62 Trac #32945: Cygwin: notebook spkg installation hangs in pip dependency resolution
3e99408888 Trac #32944: pyzmq: Fix build error on cygwin
6f6f779ee4 Trac #31796: Make maxima(<string>) output parseable
f928d0b8db Trac #32837: cffi: Update to 1.15.0
d2b42d2ced Trac #32825: Add dummy script package libgraphviz (pygraphviz dependency)
b2fe97fc0a Trac #32804: Clean the use of weights in path_enumeration.pyx
7f69dfb59e Trac #32671: Update pip to 21.3.1, distlib to 0.3.3
124f3237c4 Trac #32511: minimize_constrained() reorders the arguments of symbolic functions
8fb116ef90 Trac #31507: Checking if an element is in a subgroup can raise 'TypeError'
e62f36a4a8 Trac #32892: Fix exit code for pytest in case of no matched files
6dbc7ef6fe Trac #32883: pep8 for Lie algebras
cfc6cd955b Trac #32882: Display matplotlib figures as figures, not as latex expression
7785784e59 Trac #32878: incorrect quadratic twist eval in Pollack Stevens modular symbols
a1e36112a3 Trac #32876: Move lattice point methods from Polyhedron_base to Polyhedron_base2
6ead9ee1d6 Trac #32866: Features for interpreter interfaces
342d7ac465 Trac #32865: get rid of py2 and py3 tags in src/doc
1753e8b580 Trac #32797: Update pari to 2.13.3
610f4fadb2 Trac #32782: use PARI's qfbsolve() in BinaryQF.solve_integer()
0b5e45486b Trac #32777: Allow some imports of RLF to fail
0f3903fc61 Trac #32542: Upgrade sympy to 1.9
6101ac6749 Trac #32105: Update scipy 1.7.x; add pythran package (scipy prerequisite)
bd586df7d1 Trac #32885: `sage --standard`, `sage --optional` and `sage --experimental` are broken
e12c3ecc70 Trac #32828: pyzmq: Fix build errors; zeromq, pyzmq: Update; setuptools: upgrade to 59.2.0
e2196f8834 Trac #31855: Upgrade gmpy2 to add python 3.10 support
cc60cfebc4 (tag: 9.5.beta7) Updated SageMath version to 9.5.beta7

[Dima Pasechnik]

On Sun, 12 Dec 2021, 14:20 Volker Braun, <vbrau...@gmail.com> wrote:

As always, you can get the latest beta version from the "develop" git branch. Alternatively, the self-contained source tarball is at http://www.sagemath.org/download-latest.html 

We should probably make a release some time soon... if you have anything that you want to get into 9.5 then get it polished now 

please merge

https://trac.sagemath.org/ticket/32894

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[Eric Gourgoulhon]

On Ubuntu 20.04 running on Xeon E5-2623 + 16 GB RAM:
- incremental build (-j16) from 9.5.beta7, with system python (3.8.10): OK

- make ptestlong --> "All tests passed!"

Eric.

[Gonzalo Tornaría]

On void linux, I'm running sage -t --all (skipping a doctest expected to fail due to giac 1.7.0, see https://trac.sagemath.org/ticket/31563#comment:25)

 - on x86_64: all tests pass

 - on i686 I have the following failures (these are _not_ new in beta8):

----------------------------------------------------------------------

sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/combinatorial_polyhedron/list_of_faces.pyx  # Killed due to abort
sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/base.py  # Killed due to abort
sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/combinatorial_polyhedron/face_iterator.pyx  # Timed out
----------------------------------------------------------------------

Details:

sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/combinatorial_polyhedron/list_of_faces.pyx
    Killed due to abort
**********************************************************************
Tests run before process (pid=454) failed:
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces import ListOfFaces ## line 24 ##
sage: face_list = ListOfFaces(20, 60, 20) ## line 26 ##
sage: face_list.matrix().is_zero() ## line 27 ##
True
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import incidence_matrix_to_bit_rep_of_facets ## line 32 ##
sage: P = polytopes.cube() ## line 34 ##
sage: face_list = incidence_matrix_to_bit_rep_of_facets(P.incidence_matrix()) ## line 35 ##
sage: face_list = incidence_matrix_to_bit_rep_of_facets(P.incidence_matrix()) ## line 36 ##
sage: face_list.compute_dimension() ## line 37 ##
3
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import incidence_matrix_to_bit_rep_of_Vrep ## line 42 ##
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import facets_tuple_to_bit_rep_of_facets ## line 51 ##
sage: facets = ((0,1,2), (0,1,3), (0,2,3), (1,2,3)) ## line 53 ##
sage: face_list = facets_tuple_to_bit_rep_of_facets(facets, 4) ## line 54 ##
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import facets_tuple_to_bit_rep_of_Vrep ## line 58 ##
sage: facets = ((0,1,2), (0,1,3), (0,2,3), (1,2,3)) ## line 60 ##
sage: face_list = facets_tuple_to_bit_rep_of_Vrep(facets, 4) ## line 61 ##
sage: face_list.matrix() ## line 65 ##
[1 1 1 0]
[1 1 0 1]
[1 0 1 1]
[0 1 1 1]
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 81 ##
0
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces import ListOfFaces ## line 124 ##
sage: facets = ListOfFaces(5, 13, 5) ## line 126 ##
sage: facets.matrix().dimensions() ## line 127 ##
(5, 13)
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 129 ##
0
sage: TestSuite(sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces.ListOfFaces).run() ## line 138 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 139 ##
0
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces import ListOfFaces ## line 149 ##
sage: facets = ListOfFaces(10, 13, 10) ## line 151 ##
sage: facets._test_alignment() ## line 152 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 153 ##
0
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces import ListOfFaces ## line 162 ##
sage: facets = ListOfFaces(5, 13, 5) ## line 164 ##
sage: copy(facets).matrix().dimensions() ## line 165 ##
(5, 13)
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import facets_tuple_to_bit_rep_of_facets ## line 170 ##
sage: bi_pyr = ((0,1,4), (1,2,4), (2,3,4), (3,0,4),
          (0,1,5), (1,2,5), (2,3,5), (3,0,5)) ## line 172 ##
sage: facets = facets_tuple_to_bit_rep_of_facets(bi_pyr, 6) ## line 174 ##
sage: facets.compute_dimension() ## line 175 ##
3
sage: copy(facets).compute_dimension() ## line 177 ##
3
sage: facets.matrix() == copy(facets).matrix() ## line 179 ##
True
sage: copy(facets) is facets ## line 181 ##
False
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 183 ##
0
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import facets_tuple_to_bit_rep_of_facets, facets_tuple_to_bit_rep_of_Vrep ## line 196 ##
sage: bi_pyr = ((0,1,4), (1,2,4), (2,3,4), (3,0,4),
          (0,1,5), (1,2,5), (2,3,5), (3,0,5)) ## line 199 ##
sage: facets = facets_tuple_to_bit_rep_of_facets(bi_pyr, 6) ## line 201 ##
sage: Vrep = facets_tuple_to_bit_rep_of_Vrep(bi_pyr, 6) ## line 202 ##
sage: facets.compute_dimension() ## line 203 ##
3
sage: Vrep.compute_dimension() ## line 205 ##
3
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.list_of_faces import ListOfFaces ## line 228 ##
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.conversions import incidence_matrix_to_bit_rep_of_facets, incidence_matrix_to_bit_rep_of_Vrep ## line 230 ##
sage: bi_pyr = ((0,1,4), (1,2,4), (2,3,4), (3,0,4),
          (0,1,5), (1,2,5), (2,3,5), (3,0,5)) ## line 233 ##
sage: for _ in range(10):
    points = tuple(tuple(randint(-1000,1000) for _ in range(10))
                   for _ in range(randint(3,15)))
    P = Polyhedron(vertices=points)
    inc = P.incidence_matrix()
    mod_inc = inc.delete_columns([i for i,V in enumerate(P.Hrepresentation()) if V.is_equation()])
    facets = incidence_matrix_to_bit_rep_of_facets(mod_inc)
    vertices = incidence_matrix_to_bit_rep_of_Vrep(mod_inc)
    d1 = P.dimension()
    if d1 == 0:
        continue
    d2 = facets.compute_dimension()
    d3 = vertices.compute_dimension()
    if not d1 == d2 == d3:
        print('calculation_dimension() seems to be incorrect') ## line 235 ##
munmap_chunk(): invalid pointer
------------------------------------------------------------------------
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/cysignals/signals.cpython-39-i386-linux-gnu.so(+0x60bf)[0xf68470bf]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/cysignals/signals.cpython-39-i386-linux-gnu.so(+0x61b4)[0xf68471b4]
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linux-gate.so.1(__kernel_sigreturn+0x0)[0xf7edc560]
linux-gate.so.1(__kernel_vsyscall+0x9)[0xf7edc549]
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/usr/lib32/libc.so.6(+0x7f4df)[0xf7a224df]
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/usr/lib32/libc.so.6(+0x8938b)[0xf7a2c38b]
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/usr/lib32/libgmp.so.10(__gmpz_clear+0x2d)[0xf7018fdd]
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python3(+0x1087)[0x565bb087]
/usr/lib32/libc.so.6(__libc_start_main+0x11a)[0xf79c1f1a]
python3(_start+0x31)[0x565bb0c1]
------------------------------------------------------------------------
Attaching gdb to process id 454.
Cannot find gdb installed
GDB is not installed.
Install gdb for enhanced tracebacks.
------------------------------------------------------------------------
Unhandled SIGABRT: An abort() occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------

**********************************************************************
sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/base.py
    Killed due to abort
**********************************************************************
Tests run before process (pid=453) failed:
sage: p = polytopes.hypercube(2) ## line 84 ##
sage: from sage.geometry.polyhedron.base import is_Polyhedron ## line 85 ##
sage: is_Polyhedron(p) ## line 86 ##
True
sage: is_Polyhedron(123456) ## line 88 ##
False
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 90 ##
0
sage: p = Polyhedron() ## line 127 ##
sage: TestSuite(p).run() ## line 128 ##
sage: p = Polyhedron(vertices=[(1,0), (0,1)], rays=[(1,1)], base_ring=ZZ) ## line 132 ##
sage: TestSuite(p).run() ## line 133 ##
sage: p=polytopes.flow_polytope(digraphs.DeBruijn(3,2)) ## line 137 ##
sage: TestSuite(p).run() ## line 138 ##
munmap_chunk(): invalid pointer
------------------------------------------------------------------------
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linux-gate.so.1(__kernel_sigreturn+0x0)[0xf7edc560]
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python3(+0x1087)[0x565bb087]
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python3(_start+0x31)[0x565bb0c1]
------------------------------------------------------------------------
Attaching gdb to process id 453.
Cannot find gdb installed
GDB is not installed.
Install gdb for enhanced tracebacks.
------------------------------------------------------------------------
Unhandled SIGABRT: An abort() occurred.
This probably occurred because a *compiled* module has a bug
in it and is not properly wrapped with sig_on(), sig_off().
Python will now terminate.
------------------------------------------------------------------------

**********************************************************************
sage -t --warn-long 5.0 --random-seed=142921229727992458089171724565358313569 src/sage/geometry/polyhedron/combinatorial_polyhedron/face_iterator.pyx
    Timed out
**********************************************************************
Tests run before process (pid=455) timed out:
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.face_iterator import FaceIterator ## line 34 ##
sage: P = polytopes.octahedron() ## line 36 ##
sage: C = CombinatorialPolyhedron(P) ## line 37 ##
sage: FaceIterator(C, False) ## line 39 ##
Iterator over the proper faces of a 3-dimensional combinatorial polyhedron
sage: FaceIterator(C, False, output_dimension=2) ## line 41 ##
Iterator over the 2-faces of a 3-dimensional combinatorial polyhedron
sage: it = FaceIterator(C, False) ## line 46 ##
sage: [next(it) for _ in range(9)] ## line 47 ##
[A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron]
sage: it = FaceIterator(C, True) ## line 60 ##
sage: [next(it) for _ in range(7)] ## line 61 ##
[A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron]
sage: it = FaceIterator(C, False) ## line 72 ##
sage: face = next(it) ## line 73 ##
sage: face.ambient_Vrepresentation() ## line 74 ##
(A vertex at (0, -1, 0), A vertex at (0, 0, -1), A vertex at (1, 0, 0))
sage: face.n_ambient_Vrepresentation() ## line 76 ##
3
sage: it = FaceIterator(C, True) ## line 81 ##
sage: face = next(it) ## line 82 ##
sage: face.ambient_Hrepresentation() ## line 83 ##
(An inequality (-1, -1, 1) x + 1 >= 0,
 An inequality (-1, -1, -1) x + 1 >= 0,
 An inequality (-1, 1, -1) x + 1 >= 0,
 An inequality (-1, 1, 1) x + 1 >= 0)
sage: face.ambient_H_indices() ## line 88 ##
(4, 5, 6, 7)
sage: face.n_ambient_Hrepresentation() ## line 90 ##
4
sage: it = FaceIterator(C, False) ## line 95 ##
sage: face = next(it) ## line 96 ##
sage: face.ambient_H_indices() ## line 97 ##
(7,)
sage: it.ignore_subfaces() ## line 99 ##
sage: [face.ambient_H_indices() for face in it] ## line 100 ##
[(6,),
 (5,),
 (4,),
 (3,),
 (2,),
 (1,),
 (0,),
 (5, 6),
 (1, 6),
 (0, 1, 5, 6),
 (4, 5),
 (0, 5),
 (0, 3, 4, 5),
 (3, 4),
 (2, 3),
 (0, 3),
 (0, 1, 2, 3),
 (1, 2),
 (0, 1)]
sage: it = FaceIterator(C, True) ## line 123 ##
sage: face = next(it) ## line 124 ##
sage: face.ambient_V_indices() ## line 125 ##
(5,)
sage: it.ignore_supfaces() ## line 127 ##
sage: [face.ambient_V_indices() for face in it] ## line 128 ##
[(4,),
 (3,),
 (2,),
 (1,),
 (0,),
 (3, 4),
 (2, 4),
 (0, 4),
 (0, 3, 4),
 (0, 2, 4),
 (1, 3),
 (0, 3),
 (0, 1, 3),
 (1, 2),
 (0, 2),
 (0, 1, 2),
 (0, 1)]
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.face_iterator import FaceIterator_geom ## line 151 ##
sage: P = polytopes.cube() ## line 153 ##
sage: it = FaceIterator_geom(P) ## line 154 ##
sage: [next(it) for _ in range(5)] ## line 155 ##
[A 3-dimensional face of a Polyhedron in ZZ^3 defined as the convex hull of 8 vertices,
 A -1-dimensional face of a Polyhedron in ZZ^3,
 A 2-dimensional face of a Polyhedron in ZZ^3 defined as the convex hull of 4 vertices,
 A 2-dimensional face of a Polyhedron in ZZ^3 defined as the convex hull of 4 vertices,
 A 2-dimensional face of a Polyhedron in ZZ^3 defined as the convex hull of 4 vertices]
sage: it ## line 161 ##
Iterator over the faces of a 3-dimensional polyhedron in ZZ^3
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 167 ##
0
sage: f_vector = [1, 0, 0, 0, 1] ## line 214 ##
sage: TestSuite(sage.geometry.polyhedron.combinatorial_polyhedron.face_iterator.FaceIterator).run() ## line 219 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 220 ##
0
sage: P = polytopes.cube() ## line 340 ##
sage: C = P.combinatorial_polyhedron() ## line 341 ##
sage: it = C.face_iter() ## line 342 ##
sage: next(it).ambient_V_indices() ## line 343 ##
(0, 3, 4, 5)
sage: it.reset() ## line 345 ##
sage: next(it).ambient_V_indices() ## line 346 ##
(0, 3, 4, 5)
sage: P = polytopes.Birkhoff_polytope(3) ## line 353 ##
sage: C = P.combinatorial_polyhedron() ## line 354 ##
sage: it = C.face_iter(dual=False) ## line 355 ##
sage: face = next(it) ## line 356 ##
sage: face.ambient_H_indices(add_equations=False) ## line 357 ##
(8,)
sage: face = next(it) ## line 359 ##
sage: face.ambient_H_indices(add_equations=False) ## line 360 ##
(7,)
sage: it.only_subfaces() ## line 362 ##
sage: it.reset() ## line 363 ##
sage: face = next(it) ## line 364 ##
sage: face.ambient_H_indices(add_equations=False) ## line 365 ##
(8,)
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 367 ##
0
sage: from sage.geometry.polyhedron.combinatorial_polyhedron.face_iterator import FaceIterator_base ## line 397 ##
sage: P = polytopes.octahedron() ## line 399 ##
sage: C = CombinatorialPolyhedron(P) ## line 400 ##
sage: next(FaceIterator_base(C, False)) ## line 401 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 405 ##
0
sage: P = polytopes.octahedron() ## line 416 ##
sage: it = P.combinatorial_polyhedron().face_iter() ## line 417 ##
sage: next(it) ## line 418 ##
A 0-dimensional face of a 3-dimensional combinatorial polyhedron
sage: it.current() ## line 420 ##
A 0-dimensional face of a 3-dimensional combinatorial polyhedron
sage: next(it).ambient_V_indices() == it.current().ambient_V_indices() ## line 422 ##
True
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 424 ##
0
sage: P = polytopes.simplex() ## line 433 ##
sage: C = CombinatorialPolyhedron(P) ## line 434 ##
sage: it = C.face_iter() ## line 435 ##
sage: [d for d in it] ## line 436 ##
[A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 2-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 0-dimensional face of a 3-dimensional combinatorial polyhedron,
 A 1-dimensional face of a 3-dimensional combinatorial polyhedron]
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 451 ##
0
sage: P = polytopes.simplex() ## line 460 ##
sage: C = CombinatorialPolyhedron(P) ## line 461 ##
sage: it = C.face_iter() ## line 462 ##
sage: it1 = loads(it.dumps()) ## line 463 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 467 ##
0
sage: P = polytopes.Gosset_3_21() ## line 478 ##
sage: C = CombinatorialPolyhedron(P) ## line 479 ##
sage: it = C.face_iter(dual=False) ## line 480 ##
sage: n_non_simplex_faces = 1 ## line 481 ##
sage: for face in it:
    if face.n_ambient_Vrepresentation() > face.dimension() + 1:
        n_non_simplex_faces += 1
    else:
        it.ignore_subfaces() ## line 482 ##
sage: n_non_simplex_faces ## line 488 ##
127
sage: it = C.face_iter(dual=True) ## line 493 ##
sage: _ = next(it) ## line 494 ##
sage: it.ignore_subfaces() ## line 495 ##
sage: it = C.face_iter(dual=False) ## line 502 ##
sage: _ = next(it) ## line 503 ##
sage: it.only_subfaces() ## line 504 ##
sage: it.ignore_subfaces() ## line 505 ##
sage: list(it) ## line 506 ##
[]
sage: it = C.face_iter(dual=False) ## line 511 ##
sage: it.ignore_subfaces() ## line 512 ##
sage: sig_on_count() # check sig_on/off pairings (virtual doctest) ## line 516 ##
0
sage: P = polytopes.Gosset_3_21() ## line 529 ##
sage: C = CombinatorialPolyhedron(P) ## line 530 ##
sage: it = C.face_iter(dual=True) ## line 531 ##
sage: n_faces_with_non_simplex_quotient = 1 ## line 532 ##
sage: for face in it:
    n_facets = face.n_ambient_Hrepresentation(add_equations=False)
    if n_facets > C.dimension() - face.dimension() + 1:
        n_faces_with_non_simplex_quotient += 1
    else:
        it.ignore_supfaces() ## line 533 ##
sage: n_faces_with_non_simplex_quotient ## line 540 ##
4845
sage: it = C.face_iter(dual=False) ## line 545 ##
corrupted size vs. prev_size
------------------------------------------------------------------------
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/cysignals/signals.cpython-39-i386-linux-gnu.so(+0x60bf)[0xf68470bf]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/cysignals/signals.cpython-39-i386-linux-gnu.so(+0x61b4)[0xf68471b4]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/cysignals/signals.cpython-39-i386-linux-gnu.so(+0x8eb5)[0xf6849eb5]
linux-gate.so.1(__kernel_sigreturn+0x0)[0xf7edc560]
linux-gate.so.1(__kernel_vsyscall+0x9)[0xf7edc549]
/usr/lib32/libc.so.6(gsignal+0xf9)[0xf79d9fb9]
/usr/lib32/libc.so.6(abort+0x11e)[0xf79c0313]
/usr/lib32/libc.so.6(+0x7f4df)[0xf7a224df]
/usr/lib32/libc.so.6(+0x88e08)[0xf7a2be08]
/usr/lib32/libc.so.6(+0x89eb3)[0xf7a2ceb3]
/usr/lib32/libc.so.6(+0x8a71f)[0xf7a2d71f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/memory_allocator/memory_allocator.cpython-39-i386-linux-gnu.so(+0x33ff)[0xabaa83ff]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/python3.9/site-packages/sage/geometry/polyhedron/combinatorial_polyhedron/face_iterator.cpython-39-i386-linux-gnu.so(+0x7bf0)[0xa3029bf0]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xb52bc)[0xf7c502bc]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xb6932)[0xf7c51932]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xd7f1f)[0xf7c72f1f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x8988d)[0xf7c2488d]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_MakeTpCall+0xa6)[0xf7c1ab36]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x780f)[0xf7bd716f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xe2feb)[0xf7c7dfeb]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xe32af)[0xf7c7e2af]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x3783)[0xf7bd30e3]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalCodeWithName+0xa2)[0xf7cf1b12]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyEval_EvalCodeEx+0x92)[0xf7cf1bb2]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyEval_EvalCode+0x5e)[0xf7cf1c2e]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x1501f6)[0xf7ceb1f6]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xc29d4)[0xf7c5d9d4]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x5493)[0xf7bd4df3]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_FastCallDictTstate+0x7f)[0xf7c1ad0f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_Call_Prepend+0x18f)[0xf7c1b08f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xe4128)[0xf7c7f128]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_MakeTpCall+0xa6)[0xf7c1ab36]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x5867)[0xf7bd51c7]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x82722)[0xf7c1d722]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x5410)[0xf7bd4d70]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_FastCallDictTstate+0x7f)[0xf7c1ad0f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_Call_Prepend+0x18f)[0xf7c1b08f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xe4270)[0xf7c7f270]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0xdcf6e)[0xf7c77f6e]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyObject_MakeTpCall+0xa6)[0xf7c1ab36]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x5867)[0xf7bd51c7]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x6707)[0xf7bd6067]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x6707)[0xf7bd6067]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x82722)[0xf7c1d722]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x6707)[0xf7bd6067]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyFunction_Vectorcall+0x13f)[0xf7c1a78f]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x33a0b)[0xf7bcea0b]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalFrameDefault+0x62e4)[0xf7bd5c44]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x156638)[0xf7cf1638]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(_PyEval_EvalCodeWithName+0xa2)[0xf7cf1b12]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyEval_EvalCodeEx+0x92)[0xf7cf1bb2]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyEval_EvalCode+0x5e)[0xf7cf1c2e]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x196c48)[0xf7d31c48]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x196e9d)[0xf7d31e9d]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x199cbf)[0xf7d34cbf]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyRun_SimpleFileExFlags+0x142)[0xf7d34e82]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(PyRun_AnyFileExFlags+0x88)[0xf7d35388]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(Py_RunMain+0x70f)[0xf7d52ebf]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(+0x1b83a5)[0xf7d533a5]
/usr/lib/sage-9.5.beta8/local/var/lib/sage/venv-python3.9.7/lib/libpython3.9.so.1.0(Py_BytesMain+0x35)[0xf7d534a5]
python3(+0x1087)[0x565bb087]
/usr/lib32/libc.so.6(__libc_start_main+0x11a)[0xf79c1f1a]
python3(_start+0x31)[0x565bb0c1]
------------------------------------------------------------------------

Best,

Gonzalo

[thierry]

Hi,

On Sun, Dec 12, 2021 at 06:19:57AM -0800, Volker Braun wrote:
> As always, you can get the latest beta version from the "develop" git
> branch. Alternatively, the self-contained source tarball is at
> http://www.sagemath.org/download-latest.html
>
> We should probably make a release some time soon... if you have anything
> that you want to get into 9.5 then get it polished now ;)

There is a straightforward package update needing review at
https://trac.sagemath.org/ticket/33014

Ciao,
Thierry

[David Coudert]

Thanks for this new beta release.

Can we have most of the positively reviewed tickets included in the final release ?

We have currently around 90 tickets with positive review.

https://trac.sagemath.org/query?status=positive_review&milestone=sage-9.5&group=status&col=id&col=summary&col=owner&col=type&col=priority&col=resolution&col=time&order=priority 

Thanks,

David.

[Eric Gourgoulhon]

Hi Volker,

Le dimanche 12 décembre 2021 à 15:19:57 UTC+1, Volker Braun a écrit :

We should probably make a release some time soon... if you have anything that you want to get into 9.5 then get it polished now ;)

Could you please merge  https://trac.sagemath.org/ticket/30362 ?

It introduces symplectic structures on manifolds and could have many applications.

Thank you!,

Eric.

[Emmanuel Charpentier]

FWIW, on Debian testing running on core i7 + 16 GB RAM, upgrading 9.5.beta7 to 9.5.beta8 and running ptestlong gives exactly the same failures as those already reported for  9.5.beta7.

HTH

Le dimanche 12 décembre 2021 à 15:19:57 UTC+1, Volker Braun a écrit :

[Sébastien Labbé]

On Ubuntu 18.04, running tests with few optional/external packages gives:

Using --optional=4ti2,build,ccache,cryptominisat,debian,dot2tex,e_antic,external,fricas,glucose,latte_int,lidia,normaliz,notedown,pandoc_attributes,pip,pycosat,pynormaliz,rst2ipynb,sage,sage.geometry.polyhedron,sage.rings.real_double,sage_numerical_backends_coin,sage_spkg

External software to be detected: 4ti2,cplex,dvipng,ffmpeg,graphviz,gurobi,imagemagick,internet,latex,lualatex,macaulay2,magma,maple,mathematica,matlab,octave,pandoc,pdf2svg,pdflatex,rubiks,scilab,xelatex

----------------------------------------------------------------------
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/combinat/designs/incidence_structures.py  # 1 doctest failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/databases/findstat.py  # 11 doctests failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/databases/oeis.py  # 1 doctest failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/graphs/generic_graph.py  # 2 doctests failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/graphs/graph.py  # 3 doctests failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/interfaces/fricas.py  # 1 doctest failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/sat/solvers/dimacs.py  # 2 doctests failed
sage -t --long --random-seed=231599510926776476040082364659444859109 src/sage/tests/cmdline.py  # 2 doctests failed
----------------------------------------------------------------------
External software detected for doctesting: dvipng,ffmpeg,graphviz,imagemagick,internet,latex,lualatex,octave,pandoc,pdf2svg,pdflatex,xelatex

Rerunning failed tests gives the same list.

Only the failure with oeis is new and is copied below.

Follow up at : https://trac.sagemath.org/ticket/25536

sage -t --long --random-seed=98497570302461986293134507193212987705 src/sage/databases/oeis.py
**********************************************************************
File "src/sage/databases/oeis.py", line 129, in sage.databases.oeis
Failed example:
    [i for i in b.comments() if 'prime' in i][-1]     # optional -- internet
Expected:
    'Number n is prime if mod(a(n)-2,n) = 0. -_Dmitry Kruchinin_, Feb 14 2012'
Got:
    'Number n is prime if mod(a(n)-2,n) = 0. - _Dmitry Kruchinin_, Feb 14 2012'
**********************************************************************
1 item had failures:
   1 of  26 in sage.databases.oeis
    5 webbrowser tests not run
    0 tests not run because we ran out of time
    [289 tests, 1 failure, 27.79 s]