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| 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. | ||
