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Monorepo for Aesthetic.Computer aesthetic.computer
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1234567; Squared-distance discriminant for a unit ray and a sphere.; Inputs: origin relative to sphere center, ray direction, radius.(- (* (+ (* ox dx) (* oy dy) (* oz dz)) (+ (* ox dx) (* oy dy) (* oz dz))) (- (+ (* ox ox) (* oy oy) (* oz oz)) (* radius radius)))