Function opencv::core::pca_compute2

pub fn pca_compute2(
    data: &dyn ToInputArray, 
    mean: &mut dyn ToInputOutputArray, 
    eigenvectors: &mut dyn ToOutputArray, 
    eigenvalues: &mut dyn ToOutputArray, 
    max_components: i32
) -> Result<()>

wrap PCA::operator() and add eigenvalues output parameter

C++ default parameters

• max_components: 0