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181e39ab35
* lib/math.in.h (log2l): New declaration. * lib/log2l.c: New file. * m4/log2l.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether log2l is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_LOG2L, HAVE_DECL_LOG2L, REPLACE_LOG2L. * modules/math (Makefile.am): Substitute GNULIB_LOG2L, HAVE_DECL_LOG2L, REPLACE_LOG2L. * modules/log2l: New file. * tests/test-math-c++.cc: Check the declaration of log2l. * doc/posix-functions/log2l.texi: Mention the new module and the IRIX and OSF/1 problems.
25 lines
639 B
Plaintext
25 lines
639 B
Plaintext
@node log2l
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@section @code{log2l}
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@findex log2l
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/log2l.html}
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Gnulib module: log2l
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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 is not declared on some platforms:
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IRIX 6.5.
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@item
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This function returns a wrong value for a minus zero argument on some platforms:
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OSF/1 5.1.
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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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