kc3-lang/gnulib/doc/posix-functions/isnan.texi

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• Hash : d00ddf69
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  Date : 2017-10-12T23:18:12
  

  doc: Update for Solaris 11.3.
  
  * doc/**/*.texi: For bugs that exist in both Solaris 11.0 and 11.3,
  mention Solaris 11.3.
  * m4/log2.m4: Fix comments.
  * m4/log2f.m4: Likewise.
  * m4/printf.m4: Update comments.
  * m4/rename.m4: Likewise.
  * m4/strncat.m4: Likewise.
  

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• doc/posix-functions/isnan.texi

• @node isnan
  @section @code{isnan}
  @findex isnan
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isnan.html}
  
  Gnulib module: isnan
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This macro is missing on some platforms:
  MSVC 9.
  @item
  @code{isnan} was introduced with C99 and is thus commonly not present
  on pre-C99 systems.
  @item
  @code{isnan} is not a macro on some platforms:
  IRIX 6.5, OSF/1 5.1 with gcc, Solaris 11.3.
  @item
  This macro does not work on some platforms:
  MSVC 14.
  @item
  On IRIX 6.5 with @code{cc}, @code{isnan} does not recognize some NaNs.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @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
  

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