\subsection{exp}
\label{labexp}
\noindent Name: \textbf{exp}\\
\phantom{aaa}the exponential function.\\[0.2cm]
\noindent Library names:\\
\verb|   sollya_obj_t sollya_lib_exp(sollya_obj_t)|\\
\verb|   sollya_obj_t sollya_lib_build_function_exp(sollya_obj_t)|\\
\verb|   #define SOLLYA_EXP(x) sollya_lib_build_function_exp(x)|\\[0.2cm]
\noindent Description: \begin{itemize}

\item \textbf{exp} is the usual exponential function defined as the solution of the
   ordinary differential equation $y'=y$ with $y(0)=1$.

\item \textbf{exp}(x) is defined for every real number $x$.
\end{itemize}
See also: \textbf{exp} (\ref{labexp}), \textbf{log} (\ref{lablog})
