\subsection{expm1}
\label{labexpm1}
\noindent Name: \textbf{expm1}\\
\phantom{aaa}shifted exponential function.\\[0.2cm]
\noindent Library names:\\
\verb|   sollya_obj_t sollya_lib_expm1(sollya_obj_t)|\\
\verb|   sollya_obj_t sollya_lib_build_function_expm1(sollya_obj_t)|\\
\verb|   #define SOLLYA_EXPM1(x) sollya_lib_build_function_expm1(x)|\\[0.2cm]
\noindent Description: \begin{itemize}

\item \textbf{expm1} is defined by ${\rm expm1}(x) = \exp(x)-1$.

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