149                   const double* x1,  in operator()
151     return functor_(x0, x1, residuals);  in operator()
155                   const double* x1,  in operator()
158     return functor_(x0, x1, x2, residuals);  in operator()
162                   const double* x1,  in operator()
166     return functor_(x0, x1, x2, x3, residuals);  in operator()
170                   const double* x1,  in operator()
175     return functor_(x0, x1, x2, x3, x4, residuals);  in operator()
179                   const double* x1,  in operator()
185     return functor_(x0, x1, x2, x3, x4, x5, residuals);  in operator()
189                   const double* x1,  in operator()
196     return functor_(x0, x1, x2, x3, x4, x5, x6, residuals);  in operator()
200                   const double* x1,  in operator()
208     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, residuals);  in operator()
212                   const double* x1,  in operator()
221     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, x8, residuals);  in operator()
225                   const double* x1,  in operator()
235     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, residuals);  in operator()
245                   const T* x1,  in operator()
247     return functor_(x0, x1, residuals);  in operator()
252                   const T* x1,  in operator()
255     return functor_(x0, x1, x2, residuals);  in operator()
260                   const T* x1,  in operator()
264     return functor_(x0, x1, x2, x3, residuals);  in operator()
269                   const T* x1,  in operator()
274     return functor_(x0, x1, x2, x3, x4, residuals);  in operator()
279                   const T* x1,  in operator()
285     return functor_(x0, x1, x2, x3, x4, x5, residuals);  in operator()
290                   const T* x1,  in operator()
297     return functor_(x0, x1, x2, x3, x4, x5, x6, residuals);  in operator()
302                   const T* x1,  in operator()
310     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, residuals);  in operator()
315                   const T* x1,  in operator()
324     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, x8, residuals);  in operator()
329                   const T* x1,  in operator()
339     return functor_(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, residuals);  in operator()