bool | fo.operator() ( Kernel::Line_2 l1, Kernel::Line_2 l2) | |
returns true, if l1 and l2 are parallel or if one of those (or both) is degenerate. | ||
bool | fo.operator() ( Kernel::Ray_2 r1, Kernel::Ray_2 r2) | |
returns true, if r1 and r2 are parallel or if one of those (or both) is degenerate. | ||
bool | fo.operator() ( Kernel::Segment_2 s1, Kernel::Segment_2 s2) | |
returns true, if s1 and s2 are parallel or if one of those (or both) is degenerate. |