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| Comparison_result | fo ( ArrTraits::X_monotone_curve_2 xc1 , ArrTraits::X_monotone_curve_2 xc2 , ArrTraits::Point_2 p ) | |
| accepts two x-monotone curves xc1 and xc2 that have a common left endpoint p, and returns SMALLER, EQUAL or LARGER according to the relative position of the two curves immediately to the right of p. Note that in case one of the x-monotone curves is a vertical segment emanating upward from p, it is always considered to be above the other curve. | ||