Function phyloprob::get_forward_tmp_sta_inside_part_func_mat_sets

pub fn get_forward_tmp_sta_inside_part_func_mat_sets(
    seq_len_pair: &PosPair, 
    sta_fe_params: &StaFeParams, 
    max_gap_num_4_il: Pos, 
    pos_quadruple: &PosQuadruple, 
    sta_inside_part_func_mat_sets: &StaInsidePartFuncMatSets, 
    bpp_mat_pair: &ProbMatPair
) -> TmpStaInsidePartFuncMatSets