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group theory: Use incomplete coset tables in _finite_index_subgroup #13138

merged 1 commit into from Aug 18, 2017


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valglad commented Aug 17, 2017

This PR makes use of continuing coset enumeration with incomplete coset tables in _finite_index_subgroup (used in FpGroup's order method). This slightly reduces the computation time as there is no need to recompute the tables.
Additionally, coset enumeration keywords were added to the coset_table method.

@jksuom jksuom merged commit 3b9dcbc into sympy:master Aug 18, 2017

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@valglad valglad deleted the valglad:fin_ind branch Aug 18, 2017

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