| // Copyright (C) 2013 Davis E. King ([email protected]) | |
| // License: Boost Software License See LICENSE.txt for the full license. | |
| namespace dlib | |
| { | |
| template <typename T> | |
| void split_array ( | |
| T& a, | |
| T& b, | |
| double frac | |
| ); | |
| /*! | |
| requires | |
| - 0 <= frac <= 1 | |
| - T must be an array type such as dlib::array or std::vector | |
| ensures | |
| - This function takes the elements of a and splits them into two groups. The | |
| first group remains in a and the second group is put into b. The ordering of | |
| elements in a is preserved. In particular, concatenating #a with #b will | |
| reproduce the original contents of a. | |
| - The elements in a are moved around using global swap(). So they must be | |
| swappable, but do not need to be copyable. | |
| - #a.size() == floor(a.size()*frac) | |
| - #b.size() == a.size()-#a.size() | |
| !*/ | |
| } | |