Seems to have made it one step further. Probably the issue is now
libgap.LoadPackage("forms")
Error: Failed example:: Exception raised:
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:29>Traceback
(most recent call last):
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:30>
File "sage/libs/gap/libgap.pyx", line 684, in
sage.libs.gap.libgap.Gap.__getattr__
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:31>
g = self.eval(name)
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:32>
File "sage/libs/gap/libgap.pyx", line 399, in sage.libs.gap.libgap.Gap.eval
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:33>
elem = make_any_gap_element(self, gap_eval(gap_command))
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:34>
File "sage/libs/gap/util.pyx", line 362, in sage.libs.gap.util.gap_eval
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:35>
result = GAP_EvalString(cmd)
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:36>sage.libs.gap.util.GAPError:
Error, Variable: 'BaseChangeToCanonical' must have a value
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:37>
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:38>During
handling of the above exception, another exception occurred:
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:39>
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:40>Traceback
(most recent call last):
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:41>
File "/sage/src/sage/doctest/forker.py", line 716, in _run
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:42>
self.compile_and_execute(example, compiler, test.globs)
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:43>
File "/sage/src/sage/doctest/forker.py", line 1137, in compile_and_execute
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:44>
exec(compiled, globs)
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:45>
File "<doctest
sage.combinat.symmetric_group_algebra.SymmetricGroupAlgebra_n._dft_unitary[6]>",
line 1, in <module>
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:46>
U = GF5S3._dft_unitary()
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:47>
File "/sage/src/sage/combinat/symmetric_group_algebra.py", line 2212, in
_dft_unitary
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:48>
fourier_transform = [flatten([hat(delta(g),partition).list() for partition
in Partitions(G.degree())]) for g in G]
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:49>
File "/sage/src/sage/combinat/symmetric_group_algebra.py", line 2212, in
<listcomp>
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:50>
fourier_transform = [flatten([hat(delta(g),partition).list() for partition
in Partitions(G.degree())]) for g in G]
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:51>
File "/sage/src/sage/combinat/symmetric_group_algebra.py", line 2212, in
<listcomp>
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:52>
fourier_transform = [flatten([hat(delta(g),partition).list() for partition
in Partitions(G.degree())]) for g in G]
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:53>
File "/sage/src/sage/combinat/symmetric_group_algebra.py", line 2206, in
hat
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:54>
A = unitary_change_of_basis(U,q)
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:55>
File "/sage/src/sage/combinat/symmetric_group_algebra.py", line 2200, in
unitary_change_of_basis
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:56>
return matrix(F,libgap.BaseChangeToCanonical(libgap([list(row) for row in
U]).HermitianFormByMatrix(F))).inverse()
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:57>
File "sage/libs/gap/libgap.pyx", line 686, in
sage.libs.gap.libgap.Gap.__getattr__
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:58>
raise AttributeError(f'No such attribute: {name}.')
<https://github.com/sagemath/sage/actions/runs/12189420625/job/34004520120?pr=38455#step:16:59>AttributeError:
No such attribute: BaseChangeToCanonical.
On Thursday, December 5, 2024 at 5:37:30 PM UTC-5 Jackson Walters wrote:
> Perhaps I can just use
>
> from sage.libs.gap.libgap import libgap
>
> On Thursday, December 5, 2024 at 5:34:45 PM UTC-5 Jackson Walters wrote:
>
>> Hi all,
>>
>> Probably pretty obvious, but I need to call libgap for the following
>> function:
>>
>> def unitary_change_of_basis(U,q):
>> if U.nrows() == 1 and U.ncols() == 1:
>> return matrix(F,[[factor_scalar(U[0,0])]])
>> libgap.LoadPackage("forms")
>> return matrix(F,libgap.BaseChangeToCanonical(libgap([list(row) for
>> row in U]).HermitianFormByMatrix(F))).inverse()
>>
>> It works perfectly fine in a Sage notebook, but throws errors when I try
>> to include it in a PR.
>>
>> What is the proper way to invoke libgap in, say,
>> symmetric_group_algebra.py? Should I go back to using libgap.eval?
>>
>> Thank you,
>> Jackson
>>
>
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