mirror of https://github.com/CGAL/cgal
108 lines
4.2 KiB
TeX
108 lines
4.2 KiB
TeX
\begin{ccRefFunction}{compare_x}
|
|
|
|
Depending on which \cgal\ \ccHtmlNoLinksFrom{kernel} is used,
|
|
different versions of this global function are available. This is
|
|
described below.
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
\paragraph{With the basic 2D and 3D Kernel} (see Chapter~\ref{chapter-kernel-23})
|
|
|
|
\ccFunction{Comparison_result compare_x(const Point_2<Kernel> &p,
|
|
const Point_2<Kernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
\ccFunction{Comparison_result compare_x(const Point_3<Kernel> &p,
|
|
const Point_3<Kernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
\begin{ccTexOnly}
|
|
\begin{figure}[hb]
|
|
\centerline{\includegraphics{Kernel_23_ref/fig/compare1}}
|
|
\caption{Comparison of the $x$ or $y$-coordinates of the (implicitly
|
|
given) points in the boxes.\label{fig-compare}}
|
|
\end{figure}
|
|
\end{ccTexOnly}
|
|
|
|
\ccFunction{Comparison_result compare_x(const Point_2<Kernel> &p,
|
|
const Line_2<Kernel> &l1,
|
|
const Line_2<Kernel> &l2);}
|
|
{compares the $x$-coordinates of $p$ and the \ccHtmlNoLinksFrom{intersection}
|
|
of lines $l1$ and $l2$%
|
|
\ccTexHtml{ (Figure~\ref{fig-compare} (a))}{, see (a) in the figure
|
|
below}.}
|
|
|
|
|
|
\ccFunction{Comparison_result compare_x(const Line_2<Kernel> &l,
|
|
const Line_2<Kernel> &h1,
|
|
const Line_2<Kernel> &h2);}
|
|
{compares the $x$-coordinates of the \ccHtmlNoLinksFrom{intersection} of line $l$
|
|
with line $h1$ and with line $h2$%
|
|
\ccTexHtml{ (Figure~\ref{fig-compare} (b))}{, see (b) in the figure
|
|
below}.}
|
|
|
|
|
|
\ccFunction{Comparison_result compare_x(const Line_2<Kernel> &l1,
|
|
const Line_2<Kernel> &l2,
|
|
const Line_2<Kernel> &h1,
|
|
const Line_2<Kernel> &h2);}
|
|
{compares the $x$-coordinates of the \ccHtmlNoLinksFrom{intersection} of lines $l1$
|
|
and $l2$ and the \ccHtmlNoLinksFrom{intersection} of lines $h1$ and $h2$%
|
|
\ccTexHtml{ (Figure~\ref{fig-compare} (c))}{, see (c) in the figure
|
|
below}.}
|
|
|
|
\begin{ccHtmlOnly}
|
|
<img border=0 src="fig/compare1.gif" align=middle alt="Comparison of the x
|
|
or y coordinates of the (implicitly given) points in the boxes">
|
|
\end{ccHtmlOnly}
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
\paragraph{With the 2D Circular Kernel} (see Chapter~\ref{chapter-circular-kernel})
|
|
|
|
\ccInclude{CGAL/global_functions_circular_kernel_2.h}
|
|
|
|
If this kernel is used, in addition to the function and the
|
|
combination of 2D types described above, another version of the function
|
|
is provided.
|
|
|
|
\ccFunction{Comparison_result
|
|
compare_x(const Circular_arc_point_2<CircularKernel> &p,
|
|
const Circular_arc_point_2<CircularKernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
\ccFunction{Comparison_result
|
|
compare_x(const Circular_arc_point_2<CircularKernel> &p,
|
|
const Point_2<CircularKernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
\paragraph{With the 3D Spherical Kernel} (see Chapter~\ref{chapter-spherical-kernel})
|
|
|
|
\ccInclude{CGAL/global_functions_spherical_kernel_3.h}
|
|
|
|
If this kernel is used, in addition to the function and the
|
|
combination of 2D types described above, another version of the function
|
|
is provided.
|
|
|
|
\ccFunction{Comparison_result
|
|
compare_x(const Circular_arc_point_3<SphericalKernel> &p,
|
|
const Circular_arc_point_3<SphericalKernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
\ccFunction{Comparison_result
|
|
compare_x(const Circular_arc_point_3<SphericalKernel> &p,
|
|
const Point_3<SphericalKernel> &q);}
|
|
{compares the $x$-coordinates of $p$ and $q$.}
|
|
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
\ccSeeAlso
|
|
\ccRefIdfierPage{CGAL::compare_xy} \\
|
|
\ccRefIdfierPage{CGAL::compare_xyz} \\
|
|
\ccRefIdfierPage{CGAL::compare_x_at_y} \\
|
|
\ccRefIdfierPage{CGAL::compare_y} \\
|
|
\ccRefIdfierPage{CGAL::compare_yx} \\
|
|
\ccRefIdfierPage{CGAL::compare_y_at_x} \\
|
|
\ccRefIdfierPage{CGAL::compare_z} \\
|
|
|
|
\end{ccRefFunction}
|
|
|