my_bi2de.m

Max Log MAP decoding

function out = my_bi2de(in, option)
%converts a binary vector into its decimal representation

if strcmp(option, 'left-msb')
    buffer = in;
else
    buffer = in(end:-1:1);
end
out = 0;
N = length(buffer);
for n=1:N
    out = out + buffer(n)*pow2(N-n);
end