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Kernel::CompareX_2

A model for this must provide:

Comparison_result fo.operator() ( Kernel::Point_2 p, Kernel::Point_2 q)
compares the Cartesian x-coordinates of points p and q

Comparison_result fo.operator() ( Kernel::Point_2 p, Kernel::Line_2 l1, Kernel::Line_2 l2)
compares the x-coordinates of p and the intersection of lines l1 and l2, see (a) in the figure below.

Comparison_result fo.operator() ( Kernel::Line_2 l, Kernel::Line_2 h1, Kernel::Line_2 h2)
compares the x-coordinates of the intersection of line l with line h1 and with line h2, see (b) in the figure below.

Comparison_result fo.operator() ( Kernel::Line_2 l1, Kernel::Line_2 l2, Kernel::Line_2 h1, Kernel::Line_2 h2)
compares the x-coordinates of the intersection of lines l1 and l2 and the intersection of lines h1 and h2, see (c) in the figure below.

Comparison of the x or y coordinates of the (implicitly given) points in the boxes

Refines

AdaptableFunctor (with two arguments)

See Also

CGAL::compare_x

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CGAL Open Source Project. Release 3.3.1. 25 August 2007.