\subsection{floor}
\label{labfloor}
\noindent Name: \textbf{floor}\\
\phantom{aaa}the usual function floor.\\[0.2cm]
\noindent Library names:\\
\verb|   sollya_obj_t sollya_lib_floor(sollya_obj_t)|\\
\verb|   sollya_obj_t sollya_lib_build_function_floor(sollya_obj_t)|\\
\verb|   #define SOLLYA_FLOOR(x) sollya_lib_build_function_floor(x)|\\[0.2cm]
\noindent Description: \begin{itemize}

\item \textbf{floor} is defined as usual: \textbf{floor}($x$) is the greatest integer y such that $y \le x$.

\item It is defined for every real number $x$.
\end{itemize}
See also: \textbf{ceil} (\ref{labceil}), \textbf{nearestint} (\ref{labnearestint}), \textbf{round} (\ref{labround}), \textbf{RD} (\ref{labrd})
