---

10.24.216 logbl ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/logbl.html

Gnulib module: logbl or logbl-ieee

Portability problems fixed by Gnulib:

• This function is missing on some platforms: FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, Cygwin 1.7.x, MSVC 9, Android 4.2.
• This function goes into an endless loop for arguments such as 1.6810515715560467531313389086608763012990396724232e-4932L on some platforms: OpenBSD 7.3/mips64.
• This function produces wrong results for subnormal numbers on some platforms: glibc 2.11/powerpc, glibc 2.7/sparc, glibc 2.7/hppa, Solaris 11.4, glibc 2.23/powerpc64le.

Portability problems not fixed by Gnulib: