

    \filetitle{hh}{IRIS serial date numbers for dates with half-yearly frequency}{dates/hh}

	\paragraph{Syntax}
 
 \begin{verbatim}
 d = hh(y)
 d = hh(y,h)
 \end{verbatim}
 \paragraph{Input arguments}
 
 \begin{itemize}
 \item
   \texttt{y} {[} numeric {]} - Years.
 \item
   \texttt{h} {[} numeric {]} - Half-years; if missing, first half-year
   is used.
 \end{itemize}
 \paragraph{Output arguments}
 
 \begin{itemize}
 \item
   \texttt{d} {[} numeric {]} - IRIS serial date numbers representing the
   input half-years.
 \end{itemize}
 \paragraph{Description}
 
 \paragraph{Example}


