[Bug libstdc++/101855] std::logf is missing from

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101855

--- Comment #1 from 康桓瑋 <hewillk at gmail dot com> ---
(In reply to 康桓瑋 from comment #0)
> #include <cmath>
> auto f = std::log10f(3.14);
> 
> <source>:2:15: error: 'log10f' is not a member of 'std'; did you mean
> 'log1pf'?
>     2 | auto f = std::log10f(3.14);
>       |               ^~~~~~
>       |               log1pf

It seems that libstdc++'s <cmath> misses a lot of functions in [c.math], I
don't know if this is intentional.