| 47 | |
| 48 | template<OptimizerType optimizer_type> |
| 49 | __host__ __device__ |
| 50 | static void backward(Vector &head, Vector &tail, Float gradient, const Optimizer &optimizer, Float weight = 1) { |
| 51 | auto update = get_update_function<Float, optimizer_type>(); |
| 52 | FOR(i, dim) { |
| 53 | Float h = head[i]; |
| 54 | Float t = tail[i]; |
| 55 | head[i] -= (optimizer.*update)(h, gradient * (h - t), weight); |
| 56 | tail[i] -= (optimizer.*update)(t, gradient * (t - h), weight); |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | template<OptimizerType optimizer_type> |
| 61 | __host__ __device__ |
nothing calls this directly
no outgoing calls
no test coverage detected