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* lib/math.in.h (logbl): New declaration. * lib/logbl.c: New file. * m4/logbl.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether logbl is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBL, HAVE_LOGBL, REPLACE_LOGBL. * modules/math (Makefile.am): Substitute GNULIB_LOGBL, HAVE_LOGBL, REPLACE_LOGBL. * modules/logbl: New file. * tests/test-math-c++.cc: Check the declaration of logbl. * doc/posix-functions/logbl.texi: Mention the new module.
22 lines
629 B
Plaintext
22 lines
629 B
Plaintext
@node logbl
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@section @code{logbl}
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@findex logbl
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/logbl.html}
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Gnulib module: logbl
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Portability problems fixed by Gnulib:
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@itemize
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@item
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This function is missing on some platforms:
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FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, older IRIX 6.5, Solaris 9, Cygwin, MSVC 9, Interix 3.5, BeOS.
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@item
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This function produces wrong results for subnormal numbers on some platforms:
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glibc 2.11/ppc, glibc 2.7/sparc, glibc 2.7/hppa, Solaris 11 2011-11.
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@end itemize
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Portability problems not fixed by Gnulib:
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@itemize
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@end itemize
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