www.pudn.com > turboprog.rar > bin_state.m


function bin_state = bin_state( int_state, m ) 
% Copyright Matt C. Valenti 
% MPRG lab, Virginia Tech 
% for academic use only 
 
% converts an vector of integer into a matrix; the i-th row is the binary form  
% of m bits for the i-th integer 
 
for j = 1:length( int_state )   % length(int_state)?=max_state?  --yzh 
   for i = m:-1:1 
       state(j,m-i+1) = fix( int_state(j)/ (2^(i-1)) );     % FIX(X) rounds the elements of X to the nearest integers towards zero.  --yzh 
       int_state(j) = int_state(j) - state(j,m-i+1)*2^(i-1);    % remain of mod 2^(i-1), the leftmost bit is most significant  -yzh 
   end 
end 
 
bin_state = state;