Method fma

samples/common/half.h:1749–1756

Fused multiply-add implementation. \param x first operand \param y second operand \param z third operand \return \a x * \a y + \a z stored in single-precision

    /// \param z third operand
    /// \return \a x * \a y + \a z stored in single-precision
    static expr fma(float x, float y, float z)
    {
#if HALF_ENABLE_CPP11_CMATH && defined(FP_FAST_FMAF)
        return expr(std::fma(x, y, z));
#else
        return expr(x * y + z);
#endif
    }

    /// Get NaN.
    /// \return Half-precision quiet NaN