def _eval_rewrite_as_meijerg(self, z):
        return meijerg(((S.Half, S.Half), []), ((S.Zero,), (S.Zero,)), -z)/2
dataset/ETHPy150Open sympy/sympy/sympy/functions/special/elliptic_integrals.py/elliptic_k._eval_rewrite_as_meijerg/original