Function fma

samples/common/half.h:2956–2959

Fused multiply add. \param x first operand \param y second operand \param z third operand \return ( \a x * \a y ) + \a z rounded as one operation. template typename enable ::type fma(T x, U y, V z) { return functions::fma(x, y, z); }

//		template<typename T,typename U,typename V> typename enable<expr,T,U,V>::type fma(T x, U y, V z) { return
// functions::fma(x, y, z); }
inline expr fma(half x, half y, half z)
{
    return functions::fma(x, y, z);
}
inline expr fma(half x, half y, expr z)
{
    return functions::fma(x, y, z);