public static void getSymmetricSvd(SMat3 a, SMat3 vtav, Mat3 v, float tol, int max_sweeps)
{
vtav.setSymmetric(a);
v.set(1, 0, 0, 0, 1, 0, 0, 0, 1);
float delta = tol * MatUtils.fnorm(vtav);
for (int i = 0; i < max_sweeps && MatUtils.off(vtav) > delta; ++i)
{
rotate01(vtav, v);
rotate02(vtav, v);
rotate12(vtav, v);
}
}
public static void getSymmetricSvd(SMat3 a, out SMat3 vtav, out Mat3 v,
float tol, int max_sweeps)
{
vtav = new SMat3();
v = new Mat3();
vtav.setSymmetric(a);
v.set(1, 0, 0, 0, 1, 0, 0, 0, 1);
float delta = tol * MatUtils.fnorm(vtav);
for (int i = 0; i < max_sweeps && MatUtils.off(vtav) > delta; ++i)
{
Schur2.rotate01(out vtav, out v, vtav, v);
Schur2.rotate02(out vtav, out v, vtav, v);
Schur2.rotate12(out vtav, out v, vtav, v);
}
}
