nn::math::Max Function

template <typename T, typename U, typename S>
S Max(
     T a,
     U b
);
template <typename T>
T Max(
     T a,
     T b
);
template <typename T, typename U, typename R, typename S>
S Max(
     T a,
     U b,
     R c
);
template <typename T>
T Max(
     T a,
     T b,
     T c
);

Max ( T, U )	Finds the maximum value.
Max ( T, T )	Finds the maximum value.
Max ( T, U, R )	Finds the maximum value.
Max ( T, T, T )	Finds the maximum value.