491     f32 b, d, e, f, det;  in DistSqLine3ToLine3()  local
500     det = 1.f - b * b; // det = a * c - b * b;  in DistSqLine3ToLine3()
503     if (det < internal::epsilon)  in DistSqLine3ToLine3()
515         f32 invDet = 1.f / det;  in DistSqLine3ToLine3()
619     f32 b, d, e, det;  in DistSqLine3ToRay3()  local
628     det = 1.f - b * b; // det = a * c - b * b;  in DistSqLine3ToRay3()
630     if (det < internal::epsilon)  in DistSqLine3ToRay3()
636         sDenom = det;  in DistSqLine3ToRay3()
642         sDenom = tDenom = det;  in DistSqLine3ToRay3()
679     f32 b, c, d, e, det;  in DistSqLine3ToSegment3()  local
688     det = c - b * b; // det = a * c - b * b;  in DistSqLine3ToSegment3()
691     if (det < internal::epsilon)  in DistSqLine3ToSegment3()
696         sDenom = det;  in DistSqLine3ToSegment3()
703         sDenom = tDenom = det;  in DistSqLine3ToSegment3()
744     f32 b, d, e, det;  in DistSqRay3ToRay3()  local
753     det = 1.f - b * b; // det = a * c - b * b;  in DistSqRay3ToRay3()
756     if (det < internal::epsilon)  in DistSqRay3ToRay3()
762         sDenom = det;  in DistSqRay3ToRay3()
768         sDenom = tDenom = det;  in DistSqRay3ToRay3()
819     f32 b, c, d, e, det;  in DistSqRay3ToSegment3()  local
829     det = c - b * b; // det = a * c - b * b;  in DistSqRay3ToSegment3()
832     if (det < internal::epsilon)  in DistSqRay3ToSegment3()
838         sDenom = det;  in DistSqRay3ToSegment3()
844         sDenom = tDenom = det;  in DistSqRay3ToSegment3()