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10.1145 strtof

POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/strtof.html

Gnulib module: strtof

Portability problems fixed by Gnulib:

• This function is missing on some platforms: NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, Solaris 9, MSVC 9, Android 4.4.
• This function returns the wrong end pointer for ‘-0x’ on some platforms: glibc 2.4, Mac OS X 10.5, FreeBSD 6.2.
• This function fails to parse ‘NaN()’ on some platforms: glibc-2.5, FreeBSD 6.2.

Portability problems not fixed by Gnulib:

• This function returns +0.0 (not -0.0) for negative underflow on some platforms: glibc 2.7, mingw, MSVC 14.
• This function cannot distinguish between “nan” and “-nan” on some platforms: glibc 2.7, mingw, MSVC 14.
• This function fails to correctly parse very long strings on some platforms: Mac OS X 10.5, FreeBSD 6.2, NetBSD 5.0, Cygwin, mingw, MSVC 14.
• The replacement function does not always return correctly rounded results.