Saf zero subspaces iterator by videlec · Pull Request #37 · flatsurf/surface-dynamics

videlec · 2021-11-02T18:53:59Z

implement a more generic iterator over isotropic subspaces (with a filter option for positive vector containmnent)
make the iterator smarter by eliminating early candidates that do not contain positive vectors. For example, the entries just after a pivot might be forced to be positive (if the entries above are <= 0)
presence of positive vectors can be tested via linear optimization

videlec · 2021-11-02T21:47:30Z

@saraedum Strange warning on my machine (conda is up to date)

$ sage -t --force-lib saf_zero_subspace.py 
too many failed tests, not using stored timings
Running doctests with ID 2021-11-02-20-21-58-43901b8e.
Using --optional=dochtml,memlimit,pip,sage
Doctesting 1 file.
sage -t --random-seed=0 saf_zero_subspace.py
**********************************************************************
File "saf_zero_subspace.py", line 71, in surface_dynamics.interval_exchanges.saf_zero_subspace.saf_zero_subspaces
Failed example:
    for vectors in saf_zero_subspaces(p, bound=1):
        P = Polyhedron(lines=vectors).intersection(Polyhedron(rays=(ZZ**6).basis()))
        if P.dimension() != 3:
            continue
        F = iet.IETFamily(p, P)
        T = F.random_element(K)
        assert T.sah_arnoux_fathi_invariant().is_zero()
        n_mins, n_saddles, n_unknowns = F.random_element_statistics(K, num_exp=100, num_iterations=4096)
        if n_saddles != 100:
            print(vectors, n_mins, n_saddles)
Expected nothing
Got:
    input_line_28:3:40: error: cannot initialize a member subobject of type 'intervalxt::InductionStep::Result' with an lvalue of type 'const int'
      self = new intervalxt::InductionStep{result, connection, additionalIntervalExchangeTransformation};
                                           ^~~~~~
    input_line_28:3:60: error: call to implicitly-deleted copy constructor of 'std::optional<IntervalExchangeTransformation>'
      self = new intervalxt::InductionStep{result, connection, additionalIntervalExchangeTransformation};
                                                               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    /home/vincent/miniconda3/envs/flatsurf/bin/../lib/gcc/x86_64-conda-linux-gnu/7.5.0/../../../../x86_64-conda-linux-gnu/include/c++/7.5.0/optional:455:7: note: copy constructor of 'optional<intervalxt::IntervalExchangeTransformation>' is implicitly deleted because base class '_Enable_copy_move<is_copy_constructible<IntervalExchangeTransformation>::value, __and_<is_copy_constructible<IntervalExchangeTransformation>, is_copy_assignable<IntervalExchangeTransformation> >::value, is_move_constructible<IntervalExchangeTransformation>::value, __and_<is_move_constructible<IntervalExchangeTransformation>, is_move_assignable<IntervalExchangeTransformation> >::value, optional<intervalxt::IntervalExchangeTransformation> >' has a deleted copy constructor
          private _Enable_copy_move<
          ^
    /home/vincent/miniconda3/envs/flatsurf/bin/../lib/gcc/x86_64-conda-linux-gnu/7.5.0/../../../../x86_64-conda-linux-gnu/include/c++/7.5.0/bits/enable_special_members.h:157:15: note: '_Enable_copy_move' has been explicitly marked deleted here
        constexpr _Enable_copy_move(_Enable_copy_move const&) noexcept  = delete;
                  ^
**********************************************************************
1 item had failures:
   1 of  11 in surface_dynamics.interval_exchanges.saf_zero_subspace.saf_zero_subspaces
    [12 tests, 1 failure, 24.13 s]
----------------------------------------------------------------------
sage -t --random-seed=0 saf_zero_subspace.py  # 1 doctest failed
----------------------------------------------------------------------

videlec · 2021-11-03T11:51:43Z

EDIT: this error is normal, there is a zero length.

Even worse

sage: from surface_dynamics import iet
sage: from surface_dynamics.interval_exchanges.saf_zero_subspace import saf_zero_subspaces
sage: x = polygen(QQ)
sage: K.<cbrt3> = NumberField(x^3 - 3, embedding=AA(3)**(1/3))
sage: p = iet.Permutation('a b c d e f', 'f e d c b a')
sage: m = p.intersection_matrix()
sage: for vectors in saf_zero_subspaces(p, bound=10):
....:     P = Polyhedron(lines=vectors).intersection(Polyhedron(rays=(ZZ**6).basis()))
....:     if P.dimension() != 3:
....:         continue
....:     F = iet.IETFamily(p, P)
....:     T = F.random_element(K)
....:     assert T.sah_arnoux_fathi_invariant().is_zero()
....:     n_mins, n_saddles, n_unknowns = F.random_element_statistics(K, num_exp=10, num_iterations=4096)
....:     if n_saddles != 10:
....:         print(vectors, n_mins, n_saddles)
....: 
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-5-99eac1d4e989> in <module>
     12     T = F.random_element(K)
     13     assert T.sah_arnoux_fathi_invariant().is_zero()
---> 14     n_mins, n_saddles, n_unknowns = F.random_element_statistics(K, num_exp=Integer(10), num_iterations=Integer(4096))
     15     if n_saddles != Integer(10):
     16         print(vectors, n_mins, n_saddles)

~/programming/flatsurf/surface-dynamics/surface_dynamics/interval_exchanges/iet_family.pyx in surface_dynamics.interval_exchanges.iet_family.IETFamily.random_element_statistics()
    814             for i in range(num_exp):
    815                 T = self.random_element(ring, *args, **kwds)
--> 816                 U = iet_to_pyintervalxt(T)
    817                 res = U.induce(int(num_iterations))
    818                 if res.result in LIMIT_REACHED:

~/programming/flatsurf/surface-dynamics/surface_dynamics/interval_exchanges/conversion.py in iet_to_pyintervalxt(T)
     68 
     69     import pyintervalxt
---> 70     return pyintervalxt.IntervalExchangeTransformation(lengths, perm)
     71 
     72 

~/miniconda3/envs/flatsurf/lib/python3.9/site-packages/pyintervalxt/cppyy_intervalxt.py in IntervalExchangeTransformation(lengths, permutation)
    163     permutation = cppyy.gbl.std.vector[int](permutation)
    164 
--> 165     iet = intervalxt.cppyy.IntervalExchangeTransformation(lengths, permutation)
    166 
    167     iet.lengths = lambda: lengths

TypeError: Template method resolution failed:
  intervalxt::IntervalExchangeTransformation intervalxt::cppyy::IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >& lengths, const std::vector<int>& permutation) =>
    logic_error: LIBINTERVALXT_ASSERT_CONDITION(std::all_of(top.begin(), top.end(), [&](Label label) { return static_cast<bool>(this->lengths->get(label)); })) does not hold: all lengths must be positive in interval_exchange_transformation.cc:362
  none of the 2 overloaded methods succeeded. Full details:
  intervalxt::IntervalExchangeTransformation intervalxt::cppyy::IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >& lengths, const std::vector<int>& permutation) =>
    logic_error: LIBINTERVALXT_ASSERT_CONDITION(std::all_of(top.begin(), top.end(), [&](Label label) { return static_cast<bool>(this->lengths->get(label)); })) does not hold: all lengths must be positive in interval_exchange_transformation.cc:362
  intervalxt::IntervalExchangeTransformation intervalxt::cppyy::IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >& lengths, const std::vector<int>& permutation) =>
    logic_error: LIBINTERVALXT_ASSERT_CONDITION(std::all_of(top.begin(), top.end(), [&](Label label) { return static_cast<bool>(this->lengths->get(label)); })) does not hold: all lengths must be positive in interval_exchange_transformation.cc:362
  intervalxt::IntervalExchangeTransformation intervalxt::cppyy::IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >& lengths, const std::vector<int>& permutation) =>
    logic_error: LIBINTERVALXT_ASSERT_CONDITION(std::all_of(top.begin(), top.end(), [&](Label label) { return static_cast<bool>(this->lengths->get(label)); })) does not hold: all lengths must be positive in interval_exchange_transformation.cc:362
  Failed to instantiate "IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >*,std::vector<int>*)"
  Failed to instantiate "IntervalExchangeTransformation(intervalxt::cppyy::Lengths<std::vector<eantic::renf_elem_class> >,std::vector<int>)"

From the debugger I don't see anything wrong with the input

sage: %debug
> /home/vincent/miniconda3/envs/flatsurf/lib/python3.9/site-packages/pyintervalxt/cppyy_intervalxt.py(165)IntervalExchangeTransformation()
    163     permutation = cppyy.gbl.std.vector[int](permutation)
    164 
--> 165     iet = intervalxt.cppyy.IntervalExchangeTransformation(lengths, permutation)
    166 
    167     iet.lengths = lambda: lengths

ipdb> p permutation
<cppyy.gbl.std.vector<int> object at 0x558a3b8f9fc0>
ipdb> p lengths
<cppyy.gbl.intervalxt.cppyy.Lengths<std::vector<eantic::renf_elem_class> > object at 0x558a3b90f570>
ipdb> u
> /home/vincent/programming/flatsurf/surface-dynamics/surface_dynamics/interval_exchanges/conversion.py(70)iet_to_pyintervalxt()
     68 
     69     import pyintervalxt
---> 70     return pyintervalxt.IntervalExchangeTransformation(lengths, perm)
     71 
     72 

ipdb> p perm
(5, 4, 3, 2, 1, 0)
ipdb> p lengths
((9/2*cbrt3^2 - 3*cbrt3 - 2 ~ 3.0336285), (6*cbrt3^2 - 2*cbrt3 - 1 ~ 8.5960038), (cbrt3^2 + 3/2*cbrt3 + 1 ~ 5.2434582), 0, (13*cbrt3^2 - 5/2*cbrt3 - 1 ~ 22.435466), (9/2*cbrt3^2 - 3*cbrt3 - 2 ~ 3.0336285))

saraedum · 2021-11-04T13:01:28Z

The warning you mention in #37 (comment) looks like a problem in cppyy to me @wlav.

The problematic snippet is nothing we wrote it seems so I guess it's cppyy's way to copy a struct around.

self = new intervalxt::InductionStep{result, connection, additionalIntervalExchangeTransformation};

Could you verify that your version of cppyy is current, i.e., 2.1.0? If so, we should probably try to create a smaller reproducer and report this upstream.

videlec · 2021-11-04T13:54:37Z

Apparently not up to date

$ conda list | grep cppyy
cppyy                     1.9.3            py39ha3ed2ce_0    conda-forge
cppyy-backend             1.14.1           py39h45ac560_0    conda-forge
cppyy-cling               6.21.4           py39hc2c29c0_0    conda-forge
cppyythonizations         1.1.3              pyhd8ed1ab_0    conda-forge
cpycppyy                  1.12.1           py39h1a9c180_0    conda-forge
$ python -c 'import cppyy; print(cppyy.__version__)'
1.9.3

wlav · 2021-11-04T20:36:17Z

The difference between 1.x and 2.x are rather big: different version of Clang. Let me know if the error persists with the newer version and I'll take a look.

As-is, based on my limited reading/understanding, my first guess would have been this:
https://bitbucket.org/wlav/cppyy/issues/305/initialization-of-struct-reports-an-error

as it has the same error message. However, that report says that that was precisely fixed with 1.9.3 ...

videlec · 2021-11-11T18:53:34Z

@wlav @saraedum The update did solve the issue. Thanks. I apologize to not have checked that first myself.

videlec · 2022-01-10T09:33:03Z

@saraedum I am a bit unhappy with istotropic_subspaces that spend > 50% of its time calling the linear optimization routine...

sage: from surface_dynamics.misc.linalg import isotropic_subspaces
sage: B = matrix(5, [0,1,1,1,1,-1,0,1,1,1,-1,-1,0,1,1,-1,-1,-1,0,1,-1,-1,-1,-1,0])
sage: %time sum(1 for _ in isotropic_subspaces(B, 2, bound=4, contains_positive_vector=True))
CPU times: user 12.6 s, sys: 25.4 ms, total: 12.6 s
Wall time: 12.6 s
3269
sage: %prun sum(1 for _ in isotropic_subspaces(B, 2, bound=4, contains_positive_vector=True))
   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
    31635    6.685    0.000    6.779    0.000 {method 'solve' of 'sage.numerical.mip.MixedIntegerLinearProgram' objects}
     3270    3.158    0.001   14.557    0.004 linalg.py:154(isotropic_subspaces)
    31635    0.824    0.000    0.934    0.000 {method 'add_constraint' of 'sage.numerical.mip.MixedIntegerLinearProgram' objects}
     7839    0.809    0.000    9.470    0.001 linalg.py:388(has_positive_linear_combination)

videlec · 2023-03-08T19:06:02Z

@saraedum I am a bit puzzled by the doctest error on sage 9.5

 sage -t --long --random-seed=205360822628224557687023516526676011117 surface_dynamics/interval_exchanges/iet_family.py
**********************************************************************
File "surface_dynamics/interval_exchanges/iet_family.py", line 24, in surface_dynamics.interval_exchanges.iet_family
Failed example:
    (n1, n2, n3) = F.random_element_statistics(NumberField(x^3 - 2, 'a', embedding=AA(2)**(1/3)))
Expected nothing
Got:
    doctest:warning
      File "/usr/share/miniconda3/envs/test/bin/sage-runtests", line 155, in <module>
        err = DC.run()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/control.py", line 1261, in run
        self.run_doctests()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/control.py", line 962, in run_doctests
        self.dispatcher.dispatch()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2004, in dispatch
        self.parallel_dispatch()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 1899, in parallel_dispatch
        w.start()  # This might take some time
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2173, in start
        super(DocTestWorker, self).start()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/process.py", line 121, in start
        self._popen = self._Popen(self)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/context.py", line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/context.py", line 281, in _Popen
        return Popen(process_obj)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/popen_fork.py", line 19, in __init__
        self._launch(process_obj)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/popen_fork.py", line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/multiprocessing/process.py", line 314, in _bootstrap
        self.run()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2145, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2475, in __call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2527, in _run
        result = runner.run(test)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 861, in run
        return self._run(test, compileflags, out)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 694, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 1088, in compile_and_execute
        exec(compiled, globs)
      File "<doctest surface_dynamics.interval_exchanges.iet_family[5]>", line 1, in <module>
        (n1, n2, n3) = F.random_element_statistics(NumberField(x**Integer(3) - Integer(2), 'a', embedding=AA(Integer(2))**(Integer(1)/Integer(3))))
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/__init__.py", line 31, in <module>
        from .cppyy_gmpxx import mpz, mpq, mpf
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/cppyy_gmpxx.py", line 35, in <module>
        import cppyy
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/cppyy/__init__.py", line 319, in <module>
        import pkg_resources as pr
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/__init__.py", line 31, in <module>
        from .cppyy_gmpxx import mpz, mpq, mpf
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/cppyy_gmpxx.py", line 35, in <module>
        import cppyy
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/cppyy/__init__.py", line 319, in <module>
        import pkg_resources as pr
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3324, in <module>
        def _initialize_master_working_set():
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3298, in _call_aside
        f(*args, **kwargs)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3349, in _initialize_master_working_set
        tuple(dist.activate(replace=False) for dist in working_set)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3349, in <genexpr>
        tuple(dist.activate(replace=False) for dist in working_set)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 2870, in activate
        declare_namespace(pkg)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 2338, in declare_namespace
        warnings.warn(msg, DeprecationWarning, stacklevel=2)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/warnings.py", line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: Deprecated call to `pkg_resources.declare_namespace('mpl_toolkits')`.
    Implementing implicit namespace packages (as specified in PEP 420) is preferred to `pkg_resources.declare_namespace`. See https://setuptools.pypa.io/en/latest/references/keywords.html#keyword-namespace-packages
**********************************************************************
1 item had failures:
   1 of  20 in surface_dynamics.interval_exchanges.iet_family
    [91 tests, 1 failure, 7.20 s]

saraedum · 2023-03-09T08:45:17Z

This will be fixed by conda-forge/conda-forge-repodata-patches-feedstock#414

videlec · 2023-09-15T11:26:31Z

Is there something to do against the failing doctest in iet_family.py?

sage -t --long --random-seed=129380967111641998098950119539706238850 surface_dynamics/interval_exchanges/iet_family.py
**********************************************************************
File "surface_dynamics/interval_exchanges/iet_family.py", line 24, in surface_dynamics.interval_exchanges.iet_family
Failed example:
    (n1, n2, n3) = F.random_element_statistics(NumberField(x^3 - 2, 'a', embedding=AA(2)**(1/3)))
Expected nothing
Got:
    doctest:warning
      File "/usr/share/miniconda3/envs/test/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/control.py", line 1059, in run_doctests
        self.dispatcher.dispatch()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2021, in dispatch
        self.parallel_dispatch()
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 1916, in parallel_dispatch
        w.start()  # This might take some time
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/sage/doctest/forker.py", line 2190, in start
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/__init__.py", line 31, in <module>
        from .cppyy_gmpxx import mpz, mpq, mpf
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/gmpxxyy/cppyy_gmpxx.py", line 35, in <module>
        import cppyy
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/cppyy/__init__.py", line 319, in <module>
        import pkg_resources as pr
      File "<frozen importlib._bootstrap>", line 1027, in _find_and_load
      File "<frozen importlib._bootstrap>", line 1006, in _find_and_load_unlocked
      File "<frozen importlib._bootstrap>", line 688, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 883, in exec_module
      File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3328, in <module>
        def _initialize_master_working_set():
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3302, in _call_aside
        f(*args, **kwargs)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3353, in _initialize_master_working_set
        tuple(dist.activate(replace=False) for dist in working_set)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 3353, in <genexpr>
        tuple(dist.activate(replace=False) for dist in working_set)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 2871, in activate
        declare_namespace(pkg)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/site-packages/pkg_resources/__init__.py", line 2339, in declare_namespace
        warnings.warn(msg, DeprecationWarning, stacklevel=2)
      File "/usr/share/miniconda3/envs/test/lib/python3.10/warnings.py", line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: Deprecated call to `pkg_resources.declare_namespace('mpl_toolkits')`.
    Implementing implicit namespace packages (as specified in PEP 420) is preferred to `pkg_resources.declare_namespace`. See https://setuptools.pypa.io/en/latest/references/keywords.html#keyword-namespace-packages
**********************************************************************

saraedum · 2023-09-15T11:44:38Z

This needs cppyy=3 to make the warning go away. Anyway, I'd just set the doctest to # random output due to spurious deprecation warnings from cppyy.

more friendly iet_family

969b3ab

videlec marked this pull request as draft January 9, 2022 14:17

videlec added 5 commits January 9, 2022 19:07

bugfix in permutation_representative

f0b04e1

add method random_permutation

217e09f

bypass IET constructor in random_element

fcf6b03

variable name fix + update doc example

62b4e76

isotropic subspace iterator

965f774

videlec force-pushed the saf_zero branch from c4611c3 to 965f774 Compare January 9, 2022 18:11

videlec added 2 commits January 10, 2022 09:14

doc

5fcdd96

implement early backtracking

dd86279

videlec marked this pull request as ready for review January 10, 2022 09:28

videlec requested a review from saraedum January 10, 2022 09:29

Merge branch 'master' into saf_zero

aa41ea0

videlec force-pushed the saf_zero branch from 6e3a8b7 to aa41ea0 Compare April 25, 2022 11:13

videlec and others added 9 commits April 25, 2022 13:32

import Compositions before using it

d7841ea

import vector before using it

471cdce

work around that Boshernitzan is not available without intervalxt

a2ac28f

fix in sql_db.py

998ceb5

split python/cython code for iet family

bfc77d9

some details

cf4dfcd

has_nonnegative_relation

5997554

Merge branch 'master' into saf_zero

49ddc4e

doctest fixes

04d2b60

videlec added 4 commits November 3, 2022 10:39

add missing module in sphinx doc

7d9a216

fix sphinx directive in iet_family

bac8158

more documentation and tiny fixes

5c8193f

add missing modules to sphinx doc

1f4b170

videlec force-pushed the saf_zero branch from 22b514f to 432f827 Compare November 4, 2022 15:28

fix doc and doctest

e222e98

videlec force-pushed the saf_zero branch from 432f827 to e222e98 Compare November 4, 2022 15:50

videlec added 5 commits November 4, 2022 17:05

retag doctests

ba7f0c6

add doctest to is_periodic_boshernitzan

3407417

Merge branch 'master' into saf_zero

29aa206

news

5e6cf27

codespell (linter)

f52d40f

Merge branch 'master' into saf_zero

347e5fa

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Saf zero subspaces iterator#37

Saf zero subspaces iterator#37
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