class CovMatrix3
{
public:
    Vector m_vDiag;
    float32 m_flXY;
    float32 m_flXZ;
    float32 m_flYZ;
};

KV3 Class Defaults

{
    m_vDiag = [ 0.0, 0.0, 0.0 ]
    m_flXY = 0.0
    m_flXZ = 0.0
    m_flYZ = 0.0
}