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Needed only if the nearest_neighbor()
function is called.
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Gives the Oriented_side of point test with respect to the oriented circumscribing circle of points p0, p1 and p2. This answers the in_circle test if the Orientation of Points p0, p1 and p2 is known, which is the case for the points associated with the three vertices of a triangulation face. | ||||
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Returns the center point equidistant from p, q and r. This method is required only if the duality functions are called. | ||||
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Returns the bisector line of segment s. This method is required only if duality functions are called. |