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579928caf1
* m4/modfl-ieee.m4: New file. * m4/modfl.m4 (gl_FUNC_MODFL): If gl_FUNC_MODFL_IEEE is present, test whether modfl works with Inf. Replace it if not. * lib/math.in.h (modfl): Override if REPLACE_MODFF is 1. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_MODFL. * modules/math (Makefile.am): Substitute REPLACE_MODFL. * modules/modfl (configure.ac): Consider REPLACE_MODFL. (Depends-on): Update dependencies. * modules/modfl-ieee (Files): Add m4/modfl-ieee.m4, m4/minus-zero.m4, m4/signbit.m4. (configure.ac): Invoke gl_FUNC_MODFL_IEEE. * doc/posix-functions/modfl.texi: Mention the modfl-ieee module.
29 lines
788 B
Plaintext
29 lines
788 B
Plaintext
@node modfl
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@section @code{modfl}
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@findex modfl
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/modfl.html}
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Gnulib module: modfl or modfl-ieee
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Portability problems fixed by either Gnulib module @code{modfl} or @code{modfl-ieee}:
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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, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin, Interix 3.5.
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@item
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This function is only defined as a macro with arguments on some platforms:
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MSVC 9.
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@end itemize
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Portability problems fixed by Gnulib module @code{modfl-ieee}:
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@itemize
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@item
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This function has problems with infinite arguments on some platforms:
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IRIX 6.5, OSF/1 5.1, mingw.
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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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