CGAL 4.12.1 - 2D and 3D Linear Geometry Kernel
Kernel::CompareSlope_2 Concept Reference

## Definition

Refines:
AdaptableFunctor (with two arguments)
CGAL::compare_slopes()
compares the slopes of the lines l1 and l2
compares the slopes of the segments s1 and s2, where the slope is the variation of the y-coordinate from the left to the right endpoint of the segments.