def obfn_g0var(self):
        """Variable to be evaluated in computing
        :meth:`ADMMTwoBlockCnstrnt.obfn_g0`, depending on the ``AuxVarObj``
        option value.
        """

        return self.var_y0() if self.opt['AuxVarObj'] else \
            self.cnst_A0(self.X) - self.cnst_c0()
Variable to be evaluated in computing
        :meth:`ADMMTwoBlockCnstrnt.obfn_g0`, depending on the ``AuxVarObj``
        option value.