\input{test-defs.tex}
%
%-------------------------
%
\begin{document}


\begin{figure}%
   \centering%
   \begin{gnuplot}[terminal=latex, terminaloptions=rotate]
      set key box top left
      set key width 4
      set sample 1000
      set xr [-5:5]
      set yr [-1:1]
      set xlabel '$x$-label'
      set ylabel '$y$-label'
      plot sin(x) with lines   ,\
           cos(x) with lines   ,\
           tan(x) with lines   ,\
           tanh(x) with lines
   \end{gnuplot}
   \caption{This is a simple example using the latex-terminal.}%
   \label{pic:latex}%
\end{figure}%

\end{document}