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fdim(3M)							      fdim(3M)

NAME
       fdim(),	fdimf(), fdiml(), fdimw(), fdimq() - positive difference func‐
       tions

SYNOPSIS
   HP Integrity Server Only
DESCRIPTION
       The function determines the positive difference between its arguments.

   Integrity Server Only
       is a version of it takes arguments and returns a result.

       is a version of it takes arguments and returns a result.

       is an version of it takes arguments and returns an result.

       is equivalent to on HP-UX systems.

USAGE
       To use this function, compile either with the default  option  or  with
       the  and	 options.   To use (for Integrity servers) or compile with the
       option.	Make sure your program includes Link in the  math  library  by
       specifying on the compiler or linker command line.

RETURN VALUE
       The function returns the positive difference between x and y.

       If  x y, returns x y (and raises any exceptions resulting from the sub‐
       traction).

       If x y, returns +zero.

       If x or y is NaN, returns NaN.

       If both arguments are NaNs, returns NaN.

       returns a positively signed infinity in lieu of a value whose magnitude
       is too large, and raises the overflow and inexact exceptions.

ERRORS
       No errors are defined.

SEE ALSO
       fdim(3M), fmin(3M), math(5).

STANDARDS CONFORMANCE
       :  ISO/IEC  C99	(including  Annex F, ``IEC 60559 floating-point arith‐
       metic'')

								      fdim(3M)

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