C99 [0] and C++11 [1] both have fma() functions that let you directly request it without the need to mess around with sloppier FP contracts to infer it. [0] ht

C99 [0] and C++11 [1] both have fma() functions that let you directly request it without the need to mess around with sloppier FP contracts to infer it. [0] https://en.cppreference.com/w/c/numeric/math/fma https://en.cppreference.com/w/c/numeric/math/fma [1] https://en.cppreference.com/w/cpp/numeric/math/fma https://en.cppreference.com/w/cpp/numeric/math/fma