Add a note suggesting to switch to the emulation of clasify_float as a faster alternative to calling the libc.
Add a note suggesting to switch to the emulation of clasify_float as a faster alternative to calling the libc.

msprotz/ocaml,gerdstolpmann/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,msprotz/ocaml,eliberis/ocaml,yunxing/ocaml,eliberis/ocaml,gerdstolpmann/ocaml,yunxing/ocaml,yunxing/ocaml,eliberis/ocaml,eliberis/ocaml,yunxing/ocaml,msprotz/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,msprotz/ocaml,gerdstolpmann/ocaml,eliberis/ocaml