mad_sat

Returns a * b + c and saturates the result.

template <typename I, detail::enable_if_t<(detail::builtin::is_geninteger<I>::value), int> >
I mad_sat(I a, I b, I c)

1. Returns `a * b + c` and saturates the result.
   Parameters:
   • I a
   • I b
   • I c