std::expf and std::logf not recognized by gcc 7.2.0

Question

It seems that gcc (tried 7.2.0 and 5.4.0) does not have std::expf and std::logf - see coliru sample. Since cppreference says they were added in C++11 is there some gcc speci

Answer 1

GCC's declares the functions expf and logf and their C Library kin in the global namespace, not std::. In std:: it declares overloads of exp and log to the same effect.