Method elem_exist

src/Probabilities.cpp:273–278

}

bool
GroupProbElem::elem_exist(ProbName pname)
{
	std::map<ProbName, SingleProbElem*>::iterator i = probs_.find(pname);
	return (!(i == probs_.end()));
}

void
GroupProbElem::set_prob(ProbName pname, int val)