Dear all,
currently, when trying to invert a non-invertible element, one of the
following errors is raised (found using `grep -r --include=*.{py,pyx}
--color -nH --null -e "Error(.*invertible" *`):
- 21 ValueError('{} is not invertible')
- 11 ZeroDivisionError("element is not invertible")
- 10 TypeError('the A-basis is defined only when 2 is invertible')
- 8 ArithmeticError("self must be invertible to have a multiplicative
order")
- 2 RuntimeError("morphism is not invertible")
- 2 NotImplementedError("matrix must be invertible")
Travis and I would like to propose to unify these to "ArithmeticError". If
nobody objects, I would prepare a PR within the next few days.
Best wishes,
Martin
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