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| bool | parallel ( Line_2<Kernel> l1, Line_2<Kernel> l2) | |
| returns true, if l1 and l2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Ray_2<Kernel> r1, Ray_2<Kernel> r2) | |
| returns true, if r1 and r2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Segment_2<Kernel> s1, Segment_2<Kernel> s2) | |
| returns true, if s1 and s2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Line_3<Kernel> l1, Line_3<Kernel> l2) | |
| returns true, if l1 and l2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Plane_3<Kernel> h1, Plane_3<Kernel> h2) | |
| returns true, if h1 and h2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Ray_3<Kernel> r1, Ray_3<Kernel> r2) | |
| returns true, if r1 and r2 are parallel or if one of those (or both) is degenerate. | ||
| bool | parallel ( Segment_3<Kernel> s1, Segment_3<Kernel> s2) | |
| returns true, if s1 and s2 are parallel or if one of those (or both) is degenerate. | ||