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* lib/math.in.h (copysignf): Test HAVE_DECL_COPYSIGNF, not HAVE_COPYSIGNF. * m4/copysignf.m4 (gl_FUNC_COPYSIGNF): Don't assume copysignf() is declared when it exists. Set HAVE_DECL_COPYSIGNF. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_DECL_COPYSIGNF, not HAVE_COPYSIGNF. * modules/math (Makefile.am): Substitute HAVE_DECL_COPYSIGNF, not HAVE_COPYSIGNF. * doc/posix-functions/copysignf.texi: Mention missing declaration problem.
22 lines
486 B
Plaintext
22 lines
486 B
Plaintext
@node copysignf
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@section @code{copysignf}
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@findex copysignf
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POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/copysignf.html}
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Gnulib module: copysignf
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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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Minix 3.1.8, AIX 5.1, older IRIX 6.5, Solaris 9, MSVC 9.
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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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@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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