81 normal_is_open(Boundary_Type type, const T& x, const Info& info) {  in normal_is_open()  function
525   should_shrink = !normal_is_open(type, x, info);  in complement()
541   should_shrink = (should_shrink || normal_is_open(type, x, info));  in assign()
606   should_shrink = normal_is_open(type, x, info);  in neg_assign()
629   should_shrink = (normal_is_open(type1, x1, info1)  in add_assign()
630                    || normal_is_open(type2, x2, info2));  in add_assign()
654   should_shrink = (normal_is_open(type1, x1, info1)  in sub_assign()
655                    || normal_is_open(type2, x2, info2));  in sub_assign()
678   should_shrink = (normal_is_open(type1, x1, info1)  in mul_assign()
679                    || normal_is_open(type2, x2, info2));  in mul_assign()
732   should_shrink = (normal_is_open(type1, x1, info1)  in div_assign()
733                    || normal_is_open(type2, x2, info2));  in div_assign()
775   should_shrink = normal_is_open(type, x, info);  in umod_2exp_assign()
792   should_shrink = normal_is_open(type, x, info);  in smod_2exp_assign()