my_de2bi.m

Max Log MAP decoding

function out = my_de2bi(in, N, option)
%converts an integer number in in its binary representation

out = zeros(1, N);
buffer = in;
n=1;
while (buffer)
    if(mod(buffer, 2))
        out(n) = 1;
    end
    n = n+1;
    buffer = floor(buffer/2);
end

if(strcmp(option, 'left-msb'))
    out = out(end:-1:1);
end