25   w.front() = w.back();  in check_stddeque_matrix()
26   VERIFY_IS_APPROX(w.front(), w.back());  in check_stddeque_matrix()
39   v.back() = x;  in check_stddeque_matrix()
40   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_matrix()
42   VERIFY_IS_APPROX(v.back(), y);  in check_stddeque_matrix()
44   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_matrix()
54   w.front() = w.back();  in check_stddeque_transform()
55   VERIFY_IS_APPROX(w.front(), w.back());  in check_stddeque_transform()
68   v.back() = x;  in check_stddeque_transform()
69   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_transform()
71   VERIFY_IS_APPROX(v.back(), y);  in check_stddeque_transform()
73   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_transform()
83   w.front() = w.back();  in check_stddeque_quaternion()
84   VERIFY_IS_APPROX(w.front(), w.back());  in check_stddeque_quaternion()
97   v.back() = x;  in check_stddeque_quaternion()
98   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_quaternion()
100   VERIFY_IS_APPROX(v.back(), y);  in check_stddeque_quaternion()
102   VERIFY_IS_APPROX(v.back(), x);  in check_stddeque_quaternion()