ArrTraits::CompareYAtX_2

Refines

Functor

Has Models

ArrangementBasicTraits_2::Compare_y_at_x_2

Comparison_result fo ( ArrTraits::Point_2 p , ArrTraits::X_monotone_curve_2 xc )
compares the y-coordinates of p and the vertical projection of p on xc, and returns SMALLER, EQUAL, or LARGER according to the result.