1378 static void ComputePrincipleComponent(const float *covariance,  in ComputePrincipleComponent()  argument
1390   row0.x = covariance[0];  in ComputePrincipleComponent()
1391   row0.y = covariance[1];  in ComputePrincipleComponent()
1392   row0.z = covariance[2];  in ComputePrincipleComponent()
1395   row1.x = covariance[1];  in ComputePrincipleComponent()
1396   row1.y = covariance[3];  in ComputePrincipleComponent()
1397   row1.z = covariance[4];  in ComputePrincipleComponent()
1400   row2.x = covariance[2];  in ComputePrincipleComponent()
1401   row2.y = covariance[4];  in ComputePrincipleComponent()
1402   row2.z = covariance[5];  in ComputePrincipleComponent()
1442   const DDSVector4 *points, float *covariance)  in ComputeWeightedCovariance()  argument
1472     covariance[i] = 0.0f;  in ComputeWeightedCovariance()
1488     covariance[0] += a.x*b.x;  in ComputeWeightedCovariance()
1489     covariance[1] += a.x*b.y;  in ComputeWeightedCovariance()
1490     covariance[2] += a.x*b.z;  in ComputeWeightedCovariance()
1491     covariance[3] += a.y*b.y;  in ComputeWeightedCovariance()
1492     covariance[4] += a.y*b.z;  in ComputeWeightedCovariance()
1493     covariance[5] += a.z*b.z;  in ComputeWeightedCovariance()
2712     covariance[16];  in WriteCompressed()  local
2729   ComputeWeightedCovariance(count,points,covariance);  in WriteCompressed()
2730   ComputePrincipleComponent(covariance,&principle);  in WriteCompressed()