kc3-lang/gnulib/doc/posix-functions/exp2l.texi

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• Hash : e866532d
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  Date : 2024-04-05T16:45:25
  

  exp2l: Work around a NetBSD 10.0/i386 bug.
  
  * m4/exp2l.m4 (gl_FUNC_EXP2L): Test the value of exp2l(LDBL_MAX_EXP-1).
  * doc/posix-functions/exp2l.texi: Mention the NetBSD 10.0/i386 bug.
  

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• doc/posix-functions/exp2l.texi

• @node exp2l
  @section @code{exp2l}
  @findex exp2l
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/exp2l.html}
  
  Gnulib module: exp2l or exp2l-ieee
  
  Portability problems fixed by either Gnulib module @code{exp2l} or @code{exp2l-ieee}:
  @itemize
  @item
  This function is missing on some platforms:
  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 1.7.x, MSVC 9, Android 4.4.
  @item
  This function is not declared on some platforms:
  IRIX 6.5.
  @item
  This function returns Infinity instead of large finite values on some platforms:
  NetBSD 10.0/i386.
  @item
  This function produces results which are accurate to only 16 digits on some
  platforms:
  NetBSD 10.0/x86_64.
  @end itemize
  
  Portability problems fixed by Gnulib module @code{exp2l-ieee}:
  @itemize
  @item
  This function returns a wrong value for a NaN argument on some platforms:
  OpenBSD 4.9.
  @item
  This function returns a wrong value for a negative infinity argument on some platforms:
  IRIX 6.5.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @end itemize
  

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