public static void rotate12(SMat3 vtav, DMat3 v)
{
if (vtav.m12 == 0)
{
return;
}
double c = 0, s = 0;
Schur2.rot12(vtav, c, s);
Givens.rot12_post(v, c, s);
}
public static void rotate01(SMat3 vtav, DMat3 v)
{
if (vtav.m01 == 0)
{
return;
}
double c = 0, s = 0;
Schur2.rot01(vtav, c, s);
Givens.rot01_post(v, c, s);
}