Function batch_fold_ple_evals 

pub fn batch_fold_ple_evals<F, EF>(
    l_skip: usize,
    mats: Vec<ColMajorMatrix<F>>,
    is_rot: bool,
    r: EF,
) -> Vec<ColMajorMatrix<EF>>
where
    F: TwoAdicField,
    EF: ExtensionField<F> + TwoAdicField,