set_nr_generators

void libsemigroups::CongruenceInterface::set_nr_generators(size_t n)

Set the number of generators of the congruence.

Return

(None)

Complexity

Constant.

Parameters

• n: the number of generators.

Exceptions

• LibsemigroupsException: If the number of generators has already been set to another value, or the parameter n is 0.