Also, if it helps, if I follow these steps
cd /home/taj/SageMath
./sage
and run the command
sage: assume(x<1)
I get a similar error
ImportError Traceback (most recent call last)
<ipython-input-1-d190d46c0ecf> in <module>()
----> 1 assume(x<Integer(1))
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/assumptions.py
in assume(*args)
625 assume(*x)
626 else:
--> 627 x.assume()
628
629
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/expression.pyx
in sage.symbolic.expression.Expression.assume
(build/cythonized/sage/symbolic/expression.cpp:13564)()
1875 raise TypeError("self (=%s) must be a relational
expression" % self)
1876 if not self in _assumptions:
-> 1877 m = self._maxima_init_assume_()
1878 s = maxima.assume(m)
1879 pynac_assume_rel(self._gobj)
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/symbolic/expression.pyx
in sage.symbolic.expression.Expression._maxima_init_assume_
(build/cythonized/sage/symbolic/expression.cpp:14329)()
1951 m = 'notequal(%s, %s)'%(l, r)
1952 else:
-> 1953 m = '(%s)%s(%s)' % (l, maxima._relation_symbols()[op],
r)
1954 return m
1955
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
in sage.misc.lazy_import.LazyImport.__getattr__
(build/cythonized/sage/misc/lazy_import.c:3536)()
319 True
320 """
--> 321 return getattr(self.get_object(), attr)
322
323 # We need to wrap all the slot methods, as they are not
forwarded
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
in sage.misc.lazy_import.LazyImport.get_object
(build/cythonized/sage/misc/lazy_import.c:2347)()
186 if likely(self._object is not None):
187 return self._object
--> 188 return self._get_object()
189
190 cpdef _get_object(self):
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/misc/lazy_import.pyx
in sage.misc.lazy_import.LazyImport._get_object
(build/cythonized/sage/misc/lazy_import.c:2586)()
218 elif self._at_startup and not startup_guard:
219 print('Option ``at_startup=True`` for lazy import {0}
not needed anymore'.format(self._name))
--> 220 self._object = getattr(__import__(self._module, {}, {},
[self._name]), self._name)
221 name = self._as_name
222 if self._deprecation is not None:
/home/taj/SageMath/local/lib/python3.7/site-packages/sage/interfaces/maxima_lib.py
in <module>()
90 from sage.symbolic.ring import SR
91
---> 92 from sage.libs.ecl import EclObject, ecl_eval
93
94 from .maxima_abstract import (MaximaAbstract,
MaximaAbstractFunction,
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
Best,
Taj
On Tue, Sep 8, 2020 at 10:44 AM Taj Jankovic <taj.janko...@gmail.com> wrote:
> Hi,
>
> thanks for the quick response! If I run
>
> *./sage*
>
> then close sage and run
>
> *./sage -tp --long src/sage/manifolds*
>
> the errors remain the same...
>
> Best,
> Taj
>
>
>
>
>
> On Tue, Sep 8, 2020 at 10:21 AM Dima Pasechnik <dimp...@gmail.com> wrote:
>
>> 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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>>
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