 + 0;      i__0 = i__ + j * a_dim0;      i__0 = i__ + j * b_dim0;      if (a[i__0].r != 0. || a[i__0].i != 0. || (b[i__0].r != 0. || b[       i__0].i != 0.)) {   goto L000;      } /* L000: */  }  i__ = 