Function native_half_t float2half_impl

src/backend/common/half.hpp:178–180

template<std::float_round_style R = std::round_to_nearest>
AF_CONSTEXPR native_half_t float2half_impl(float value) {
    return static_cast<native_half_t>(value);
}

template<std::float_round_style R = std::round_to_nearest>
AF_CONSTEXPR native_half_t float2half_impl(double value) {