struct FeatureMap feature_map_add(const &FeatureMap a, const &FeatureMap b, int relu)Residual connection: out = a + b, element by element (relu(a + b) when 'relu'); a and b must have the same shape.
struct FeatureMap feature_map_add(const &FeatureMap a, const &FeatureMap b, int relu)Residual connection: out = a + b, element by element (relu(a + b) when 'relu'); a and b must have the same shape.