'Extracts the equality, inequality, and nonlinear constraints.
Parameters
constr_map : dict
A dict of the canonicalized constraints.
Returns
tuple
(eq_constr, ineq_constr, nonlin_constr)'

def split_constr(self, constr_map):

    return ((constr_map[s.EQ] + constr_map[s.LEQ]), [], [])
