I don't think it should be random; that has the chance of hiding actual bugs. I think we should check that it belongs to a particular set (specifically, the one from John's comment).
Best, Travis On Thursday, June 15, 2023 at 5:15:52 AM UTC+9 chris wuthrich wrote: > I agree with John. Lines 2380 and 2388 need a "random output" for that > reason, like the other calls of that function have already. > Is this a new pull request or is the old #35626 > https://github.com/sagemath/sage/pull/35626 opened again for corrections? > > Chris > > On Wednesday, 14 June 2023 at 17:49:21 UTC+1 John Cremona wrote: > >> On Tue, 13 Jun 2023 at 17:06, John Cremona <john.c...@gmail.com> wrote: >> >>> The elliptic curve failure might be a consequence of the recently merged >>> PR #35626 about using libpari to compute ranks and generators. >>> >>> I'll take a look to at least see if the output you get is mathematically >>> correct -- generators are not unique. >>> >> >> I was right. This curve has rank 1 and torsion (Z/2Z)^2 so if P is one >> generator (of infinte order) then there are 3 other, P+T for T a point of >> order 2. The one your are getting is one of these. >> >> So we conclude that we cannot reply on pari always returning the same >> generator despite random seeds etc being fixed in doctests. I don't know >> why that is, but if it is the case then this (and other similar) doctests >> will have to be written accordingly. >> >> >>> >>> John >>> >>> >>> On Tue, 13 Jun 2023, 17:00 Emmanuel Charpentier, <emanuel.c...@gmail.com> >>> wrote: >>> >>>> On Debian testing running on core i7 + 16 GB RAM, upgrading 10.1.beta2 >>>> to 10.1.beta3 and rinning ptestlong gives 3 permanent failures : >>>> ---------------------------------------------------------------------- >>>> sage -t --long --warn-long 207.1 >>>> --random-seed=291812591553963182024849035945523427319 >>>> src/sage/schemes/elliptic_curves/ell_rational_field.py # 1 doctest failed >>>> sage -t --long --warn-long 207.1 >>>> --random-seed=291812591553963182024849035945523427319 >>>> src/sage/coding/linear_code.py # 2 doctests failed sage -t --long >>>> --warn-long 207.1 --random-seed=291812591553963182024849035945523427319 >>>> src/sage/coding/code_constructions.py # 1 doctest failed >>>> ---------------------------------------------------------------------- >>>> >>>> The last two have been already reported a few times, and seem cosmetic. >>>> The first one is new and seemingly *not* cosmetic : >>>> charpent@zen-book-flip:/usr/local/sage-10$ sage -t --long --warn-long >>>> 207.1 --random-seed=291812591553963182024849035945523427319 >>>> src/sage/schemes/elliptic_curves/ell_rational_field.py # 1 doctest failed >>>> Running doctests with ID 2023-06-13-17-49-08-8dac2a23. Git branch: develop >>>> Git ref: 10.1.beta0-453-g443b7549ad Running with >>>> SAGE_LOCAL='/usr/local/sage-10/local' and >>>> SAGE_VENV='/usr/local/sage-10/local/var/lib/sage/venv-python3.11' Using >>>> --optional=debian,dot2tex,fricas,gap_jupyter,gap_packages,libsemigroups,msolve,pip,pysingular,sage,sage_spkg,singular_jupyter >>>> >>>> Features to be detected: >>>> 4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,cvxopt,cvxopt,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_cubic_hecke,database_jones_numfield,database_knotinfo,dvipng,fpylll,gfan,graphviz,imagemagick,ipython,jupymake,kenzo,latte_int,lrcalc_python,lrslib,mcqd,meataxe,mpmath,msolve,nauty,networkx,numpy,palp,pandoc,pdf2svg,pdftocairo,pexpect,phitigra,pillow,plantri,polytopes_db,polytopes_db_4d,pplpy,primecountpy,ptyprocess,pynormaliz,pyparsing,python_igraph,requests,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.groups,sage.libs.gap,sage.libs.pari,sage.libs.singular,sage.misc.cython,sage.modules,sage.plot,sage.rings.finite_rings,sage.rings.function_field,sage.rings.number_field,sage.rings.padics,sage.rings.real_double,sage.rings.real_mpfr,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,scipy,singular,sphinx,sympy,tdlib >>>> >>>> Doctesting 1 file. sage -t --long --warn-long 207.1 >>>> --random-seed=291812591553963182024849035945523427319 >>>> src/sage/schemes/elliptic_curves/ell_rational_field.py >>>> ********************************************************************** >>>> File >>>> "src/sage/schemes/elliptic_curves/ell_rational_field.py", line 2380, in >>>> sage.schemes.elliptic_curves.ell_rational_field.EllipticCurve_rational_field.? >>>> >>>> Failed example: E.gens(use_database=False, algorithm="pari",pari_effort=4) >>>> Expected: [(611429153205013185025/9492121848205441 : >>>> 15118836457596902442737698070880/924793900700594415341761 : 1)] Got: >>>> [(-38749202011873484470143/306317326339867638016 : >>>> 678721624672968530804232808604865/5361142413550167706041194328064 : 1)] >>>> ********************************************************************** 1 >>>> item had failures: 1 of 100 in >>>> sage.schemes.elliptic_curves.ell_rational_field.EllipticCurve_rational_field.? >>>> >>>> [896 tests, 1 failure, 241.41 s] >>>> ---------------------------------------------------------------------- >>>> sage >>>> -t --long --warn-long 207.1 >>>> --random-seed=291812591553963182024849035945523427319 >>>> src/sage/schemes/elliptic_curves/ell_rational_field.py # 1 doctest failed >>>> ---------------------------------------------------------------------- >>>> Total time for all tests: 251.7 seconds cpu time: 227.0 seconds cumulative >>>> wall time: 241.4 seconds Features detected for doctesting: >>>> sage.rings.finite_rings,sage.rings.number_field >>>> >>>> HTH, >>>> Le dimanche 11 juin 2023 à 13:14:49 UTC+2, Volker Braun a écrit : >>>> >>>>> 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 >>>>> >>>>> 443b7549ad3 (tag: 10.1.beta3, github/develop) Updated SageMath version >>>>> to 10.1.beta3 >>>>> 464d3d20aaa gh-35738: configure: Remove stray `stdin.info` file >>>>> created in test >>>>> d27b19a4efc gh-35737: build/pkgs/maxima: Fix parallel build >>>>> 202ccd7ea08 gh-35733: more uses of yield from >>>>> aba52d4c06a gh-35731: build/pkgs/pyflakes: Remove >>>>> 5b446283d86 gh-35723: some pep8 cleanup in rigged-configurations >>>>> e90d6be7a5c gh-35722: cython-lint for imports in libs/ >>>>> 9c83f604a46 gh-35721: cython-lint for imports in rings (mostly in >>>>> padics) >>>>> 5c9ee290848 gh-35720: fix the linter and add more checks >>>>> 6d1cb7e3323 gh-35718: `sage.graphs`: More modularization >>>>> a2e4cab86c8 gh-35714: provide matrix_symbolic_sparse class >>>>> 41aa6c290de gh-35713: update symengine(_py) to versions 0.10.0 and >>>>> 0.10.1 >>>>> acac1e60e63 gh-35712: fix pep8 E251 in rings/ >>>>> 34b4234573c gh-35711: fix all pep8 E251 in combinat >>>>> 0a929ff9da9 gh-35710: fix pep8 E251 in categories, coding, crypto, >>>>> logic >>>>> 6a142317110 gh-35709: some cython-linting in quadratic forms >>>>> d7bb52abf83 gh-35702: GAP: switch some code to use official libgap APIs >>>>> afc9232bff4 gh-35692: ⬆️ Bump myrotvorets/set-commit-status-action >>>>> from 1.1.6 to 1.1.7 >>>>> 6ca634ae1c0 gh-35671: Upgrade networkx to 3.1, igraph/python_igraph to >>>>> 0.10.4 >>>>> 7e0eb1c9219 gh-35666: remove obsolete .zenodo.json* files, update >>>>> CITATION.cff to fix zenodo/DOI >>>>> 86d2be056bf gh-35626: Update the rank function of elliptic curves to >>>>> use ellrank in pari >>>>> fe931a790a8 gh-35614: allow non-minimal equation for padic heights >>>>> 5343f2e7ea9 gh-35494: avoid computation of Conway polynomials when >>>>> comparing elliptic-curve morphisms >>>>> 2f426a11f4c (tag: 10.1.beta2) Updated SageMath version to 10.1.beta2 >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "sage-release" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to sage-release...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/sage-release/774ed98e-96e3-44bf-b1ad-fe5259d90cb8n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/sage-release/774ed98e-96e3-44bf-b1ad-fe5259d90cb8n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- You received this message because you are subscribed to the Google Groups "sage-release" group. 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