kc3-lang/gnulib/doc/posix-functions/isfinite.texi
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Hash : c36a0f21
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Date : 2024-10-27T17:01:29
doc: Add a module index. * doc/Makefile (undocumented-modules.texi): New rule. (%.info, %.html, %.dvi, %.pdf): Depend on undocumented-modules.texi. (mostlyclean): Remove also *.m and *.tmp. (force): New rule. * doc/*.texi: Add module index entries. * doc/*/*.texi: Likewise.
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doc/posix-functions/isfinite.texi
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@node isfinite @subsection @code{isfinite} @findex isfinite POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/isfinite.html} Gnulib module: isfinite @mindex isfinite Portability problems fixed by Gnulib: @itemize @item This macro is missing on some platforms: macOS 14, OpenBSD 7.5, AIX 5.1, Solaris 11.4. @item This macro incorrectly yields true for some @samp{double} and for some @samp{long double} arguments, on some platforms: Linux/ia64 (NaNs). @end itemize Portability problems not fixed by Gnulib: @itemize @item It is implementation-dependent whether @code{isfinite} raises an exception given a signaling NaN operand. @item This macro returns an unspecified result when given noncanonical values such as unnormalized numbers, pseudo-denormals, pseudo-NaNs, pseudo-Infinities, and pseudo-zeroes. @end itemize