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returns the relative position of point t
to the sphere defined by , , , and . The order
of the points , , , and does not matter. Precondition: p, q, r and s are not coplanar. | ||||
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returns the position of the point t relative to the sphere passing through , , and and whose center is in the plane defined by these three points. | ||||
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returns the position of the point t relative to the sphere that has as its diameter. |