% sample of function: sort
function ocol = fsample_sort(icol)

ncol = length(icol); % ??????

% ????
for idx_out = 1:ncol % ???
    for idx_in = 2:ncol % ???
        if col1(idx_in) > col1(idx_in-1) % ?????
            tmp_val = col1(idx_in-1);
            col1(idx_in-1) = col1(idx_in);
            col1(idx_in) = tmp_val;
        end
    end
end

ocol = icol; % ?????

end % ?????