Function diff

dnn/test/common/utils.h:189–193

        int debug_level, const std::shared_ptr<MegcoreCPUDispatcher>& dispatcher);

static inline dt_float32 diff(dt_float32 x, dt_float32 y) {
    auto numerator = x - y;
    auto denominator = std::max(std::max(std::abs(x), std::abs(y)), 1.f);
    return numerator / denominator;
}

static inline int diff(int x, int y) {
    return x - y;