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10.24.207 log1pl ¶

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9799919799/functions/log1pl.html

Gnulib module: log1pl or log1pl-ieee

Portability problems fixed by either Gnulib module log1pl or log1pl-ieee:

• This function is missing on some platforms: FreeBSD 6.0, NetBSD 9.3, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, Solaris 9, Cygwin 1.7.x, MSVC 9, Android 4.4.
• This function produces results which are accurate to only 16 digits on some platforms: musl libc 1.2.2/arm64, musl libc 1.2.2/s390x, NetBSD 10.0.

Portability problems fixed by Gnulib module log1pl-ieee:

• This function has problems when the argument is minus zero on some platforms: AIX 7.1.

Portability problems not fixed by Gnulib: