| 128 | |
| 129 | template <auto R, auto S> |
| 130 | auto |
| 131 | Histogram<R, S>::operator+=(self_type const &that) -> self_type & |
| 132 | { |
| 133 | auto dst = _bucket.data(); |
| 134 | auto src = that._bucket.data(); |
| 135 | for (raw_type idx = 0; idx < N_BUCKETS; ++idx) { |
| 136 | *dst++ += *src++; |
| 137 | } |
| 138 | return *this; |
| 139 | } |
| 140 | |
| 141 | template <auto R, auto S> |
| 142 | auto |