Split comparisons in multiple instructions to make it easier to identify

        """

        if not isinstance(other, WCS):

            return False

        return (

            self.sameStep(other) and

            self.naxis1 == other.naxis1 and

            self.naxis2 == other.naxis2 and

            np.allclose(self.get_start(), other.get_start(),

                        atol=start_atol, rtol=0) and

            np.allclose(self.get_rot(), other.get_rot(),

                        atol=rot_atol, rtol=0)

        )

        if not self.sameStep(other):

            return False

        if self.naxis1 != other.naxis1 or self.naxis2 != other.naxis2:

            return False

        if not np.allclose(self.get_start(), other.get_start(),

                           atol=start_atol, rtol=0):

            return False

        if not np.allclose(self.get_rot(), other.get_rot(),

                           atol=rot_atol, rtol=0):

            return False

        return True

    def sameStep(self, other):

        """Return True if other and self have the same pixel sizes.