Function __hfma

src/backend/cuda/kernel/random_engine.hpp:40–43

    return __float2half(cosf(__half2float(a)));
}
__device__ __half __hfma(const __half a, __half b, __half c) {
    return __float2half(
        fmaf(__half2float(a), __half2float(b), __half2float(c)));
}
#endif

// Utils