| 18 | |
| 19 | template <size_t N> |
| 20 | static inline int product (const std::array<int, N> &array) |
| 21 | { |
| 22 | int result = 1; |
| 23 | |
| 24 | for (int i = 0; i < N; i++) |
| 25 | { |
| 26 | result *= array[i]; |
| 27 | } |
| 28 | |
| 29 | return result; |
| 30 | } |
| 31 | |
| 32 | template <size_t N> |
| 33 | static inline std::array<int, N> zero_array () |