fma

MISSING

template <typename F1, typename F2, typename F3, typename F, detail::enable_if_t<((detail::builtin::is_genfloat<F1>::value && detail::builtin::is_genfloat<F2>::value && detail::builtin::is_genfloat<F3>::value)), int> >
F fma(F1 a, F2 b, F3 c)

1. Returns the correctly rounded floating-point representation of the sum of c with the infinitely precise product of a and b.
   Parameters:
   • F1 a
   • F2 b
   • F3 c