On Tue, Sep 8, 2020 at 8:41 AM Taj Jankovic <taj.janko...@gmail.com> wrote:
>
> Hi everyone,
>
> I am having trouble with the SageMath.
>
> 1/ I've downloaded the binary tar file sage-9.1-Ubuntu_18.04-x86_64.tar.bz2
> from
> https://www.sagemath.org/download-linux.html
>
> 2/ Then
> tar jxvf sage-9.1-Ubuntu_18.04-x86_64.tar.bz2
> cd SageMath
at this point one should run
./sage
without parameters.
Only then it should be ready (the 1st run is a kind of bootstrap)
> ./sage -tp --long src/sage/manifolds
>
> However, instead of "All tests passed!", I get a multitude of errors.
>
> -a typical error is:
>
> sage -t --long src/sage/manifolds/utilities.py
> **********************************************************************
> File "src/sage/manifolds/utilities.py", line 54, in
> sage.manifolds.utilities.SimplifySqrtReal
> Failed example:
> assume(x<1)
> Exception raised:
> Traceback (most recent call last):
> File
> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/doctest/forker.py",
> line 681, in _run
> self.compile_and_execute(example, compiler, test.globs)
> File
> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/doctest/forker.py",
> line 1123, in compile_and_execute
> exec(compiled, globs)
> File "<doctest sage.manifolds.utilities.SimplifySqrtReal[0]>", line 1,
> in <module>
> assume(x<Integer(1))
> File
> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/assumptions.py",
> line 627, in assume
> x.assume()
> File "sage/symbolic/expression.pyx", line 1877, in
> sage.symbolic.expression.Expression.assume
> (build/cythonized/sage/symbolic/expression.cpp:13564)
> m = self._maxima_init_assume_()
> File "sage/symbolic/expression.pyx", line 1953, in
> sage.symbolic.expression.Expression._maxima_init_assume_
> (build/cythonized/sage/symbolic/expression.cpp:14329)
> m = '(%s)%s(%s)' % (l, maxima._relation_symbols()[op], r)
> File "sage/misc/lazy_import.pyx", line 321, in
> sage.misc.lazy_import.LazyImport.__getattr__
> (build/cythonized/sage/misc/lazy_import.c:3536)
> return getattr(self.get_object(), attr)
> File "sage/misc/lazy_import.pyx", line 188, in
> sage.misc.lazy_import.LazyImport.get_object
> (build/cythonized/sage/misc/lazy_import.c:2347)
> return self._get_object()
> File "sage/misc/lazy_import.pyx", line 220, in
> sage.misc.lazy_import.LazyImport._get_object
> (build/cythonized/sage/misc/lazy_import.c:2586)
> self._object = getattr(__import__(self._module, {}, {},
> [self._name]), self._name)
> File
> "/home/taj/SageMath/local/lib/python3.7/site-packages/sage/interfaces/maxima_lib.py",
> line 92, in <module>
> from sage.libs.ecl import EclObject, ecl_eval
> ImportError:
> /home/taj/SageMath/local/lib/python3.7/site-packages/sage/libs/ecl.cpython-37m-x86_64-linux-gnu.so:
> undefined symbol: cl_env_p
> **********************************************************************
>
> I am using Ubuntu 18.04 LTS and have Python 2.7, 3.6, and 3.7 installed. Does
> anyone maybe have an idea of what could be causing these errors? Any help is
> very much appreciated.
>
> Best regards,
> Taj Jankovič
>
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