hpux man page for nan

nan(3M) 																   nan(3M)

NAME
       nan(), nanf(), nanl(), nanw(), nanq() - string to NaN conversion functions

SYNOPSIS
   HP Integrity Server Only
DESCRIPTION
       The  function  creates a quiet NaN from the specified string.  If tagp does not point to an n-char-sequence or an empty string, the call is
       equivalent to

       The ISO/IEC C99 standard specifies n-char-sequence syntax, but the interpretation and extension of the syntax  is  implementation  defined.
       The n-char-sequence argument is ignored on HP-UX systems.

   Integrity Server Only
       is a version of it returns a result.

       is a version of it returns a result.

       is an version of it returns an result.

       is equivalent to on HP-UX systems.

USAGE
       To  use	these  functions, compile either with the default option or with the and options.  To use compile with the option.  Make sure your
       program includes and link in the math library by specifying on the compiler or linker command line.

       For more information, see the at:

RETURN VALUE
       The function returns a quiet NaN.

       These functions raise no exceptions.

ERRORS
       No errors are defined.

SEE ALSO
       copysign(3M), isnan(3M), nextafter(3M), math(5).

STANDARDS CONFORMANCE
       : ISO/IEC C99 (including Annex F, "IEC 60559 floating-point arithmetic")

																	   nan(3M)