1368 static void ComputePrincipleComponent(const float *covariance,  in ComputePrincipleComponent()  argument
1380   row0.x = covariance[0];  in ComputePrincipleComponent()
1381   row0.y = covariance[1];  in ComputePrincipleComponent()
1382   row0.z = covariance[2];  in ComputePrincipleComponent()
1385   row1.x = covariance[1];  in ComputePrincipleComponent()
1386   row1.y = covariance[3];  in ComputePrincipleComponent()
1387   row1.z = covariance[4];  in ComputePrincipleComponent()
1390   row2.x = covariance[2];  in ComputePrincipleComponent()
1391   row2.y = covariance[4];  in ComputePrincipleComponent()
1392   row2.z = covariance[5];  in ComputePrincipleComponent()
1432   const DDSVector4 *points, float *covariance)  in ComputeWeightedCovariance()  argument
1462     covariance[i] = 0.0f;  in ComputeWeightedCovariance()
1478     covariance[0] += a.x*b.x;  in ComputeWeightedCovariance()
1479     covariance[1] += a.x*b.y;  in ComputeWeightedCovariance()
1480     covariance[2] += a.x*b.z;  in ComputeWeightedCovariance()
1481     covariance[3] += a.y*b.y;  in ComputeWeightedCovariance()
1482     covariance[4] += a.y*b.z;  in ComputeWeightedCovariance()
1483     covariance[5] += a.z*b.z;  in ComputeWeightedCovariance()
2525     covariance[16];  in WriteCompressed()  local
2542   ComputeWeightedCovariance(count,points,covariance);  in WriteCompressed()
2543   ComputePrincipleComponent(covariance,&principle);  in WriteCompressed()