ldexp and frexp benchmark between Mir, C and Phobos

[kinke]

On Sunday, 30 December 2018 at 13:39:44 UTC, Guillaume Piolat 
wrote:
> Been waiting for an exp() rewrite. And Boost-licensed! I'm 
> using expf() from whatever libc is shipped and the variability 
> of results and lack of control is annoying.

exp != {ld,fr}exp. Phobos includes a proper single/double 
precision exp implementation since v2.082 and is Boost licensed...