class FourCovMatrices3
{
public:
    FourVectors m_vDiag;
    fltx4 m_flXY;
    fltx4 m_flXZ;
    fltx4 m_flYZ;
};

KV3 Class Defaults

{
    m_vDiag = 
    [
        0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, -24961862544471000242171412480.0, 0.0,
    ]
    m_flXY = [ 0.0, 0.0, 0.0, 0.0 ]
    m_flXZ = [ 0.0, 0.0, 0.0, 0.0 ]
    m_flYZ = [ 0.0, 0.0, 0.0, 0.0 ]
}