\subsection{Find the bounding box of a curve.}
\funclabel{s1988}
\begin{minipg1}
Find the bounding box of a SISLCurve. NB. The geometric
               bounding box is returned also in the rational case, that
               is the box in homogenous coordinates is NOT computed.
\end{minipg1} \\ \\
SYNOPSIS\\
        \> void s1988(\begin{minipg3}
          {\fov pc}, {\fov emax}, {\fov emin}, {\fov jstat})
        \end{minipg3}\\[0.3ex]
        \>\>    SISLCurve \> *{\fov pc};\\
        \>\>    double    \> **{\fov emax};\\
        \>\>    double    \> **{\fov emin};\\
        \>\>    int       \> *{\fov jstat};\\
\\
ARGUMENTS\\
        \>Input Arguments:\\
        \>\>    {\fov pc} \> - \> The curve to treat.\\
\\
        \>Output Arguments:\\
        \>\>    {\fov emin} \> - \>
        \begin{minipg2}
          Array of dimension {\fov idim} containing
          the minimum values of the bounding box,
          i.e.\ bottom-left corner of the box.
        \end{minipg2}\\[0.8ex]
        \>\>    {\fov emax} \> - \>
        \begin{minipg2}
          Array of dimension {\fov idim} containing
          the maximum values of the bounding box,
          i.e.\ upper-right corner of the box.
        \end{minipg2}\\[0.8ex]
        \>\>    {\fov jstat}  \> - \> Status message\\
                \>\>\>\>\> $< 0$ : Error.\\
                \>\>\>\>\> $= 0$ : Ok.\\
                \>\>\>\>\> $> 0$ : Warning.\\
\\
EXAMPLE OF USE\\
        \>      \{ \\
        \>\>    SISLCurve \> *{\fov pc};\\
        \>\>    double    \> *{\fov emax} = NULL;\\
        \>\>    double    \> *{\fov emin} = NULL;\\
        \>\>    int       \> {\fov jstat} = 0;\\
        \>\>    \ldots \\
        \>\>s1988(\begin{minipg4}
          {\fov pc}, \&{\fov emax}, \&{\fov emin}, \&{\fov jstat});
        \end{minipg4}\\
        \>\>    \ldots \\
        \>      \}
\end{tabbing}
