mfasttrellis.m

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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%  Property of Freescale
%  Freescale Confidential Proprietary
%  Freescale Copyright (C) 2005 All rights reserved
%  ----------------------------------------------------------------------------
%  $RCSfile: mFastTrellis.m.rca $
%  $Revision: 1.1 $
%  $Date: Mon Jan 22 11:01:14 2007 $
%  Target: Matlab
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% set up the trellis given code generator g
%
% next_out: trellis next_out  
% next_state: next trellis state 
% last_out: trellis last_out 
% last_state: previous trellis state
%

function [next_out, next_state, last_out, last_state] = mFastTrellis()

next_out = [
     1     1     1     1     1    -1    -1    -1    -1     1    -1    -1    -1    -1     1     1
     1     1     1     1     1    -1    -1    -1    -1     1    -1    -1    -1    -1     1     1
     1     1    -1     1     1    -1     1    -1    -1     1     1    -1    -1    -1    -1     1
     1     1    -1     1     1    -1     1    -1    -1     1     1    -1    -1    -1    -1     1
     1     1    -1    -1     1    -1     1     1    -1     1     1     1    -1    -1    -1    -1
     1     1    -1    -1     1    -1     1     1    -1     1     1     1    -1    -1    -1    -1
     1     1     1    -1     1    -1    -1     1    -1     1    -1     1    -1    -1     1    -1
     1     1     1    -1     1    -1    -1     1    -1     1    -1     1    -1    -1     1    -1];

 last_out = [
     1     1     1     1     1    -1    -1     1    -1     1    -1    -1    -1    -1     1    -1
     1     1    -1     1     1    -1     1     1    -1     1     1    -1    -1    -1    -1    -1
     1     1    -1    -1     1    -1     1    -1    -1     1     1     1    -1    -1    -1     1
     1     1     1    -1     1    -1    -1    -1    -1     1    -1     1    -1    -1     1     1
     1     1     1     1     1    -1    -1     1    -1     1    -1    -1    -1    -1     1    -1
     1     1    -1     1     1    -1     1     1    -1     1     1    -1    -1    -1    -1    -1
     1     1    -1    -1     1    -1     1    -1    -1     1     1     1    -1    -1    -1     1
     1     1     1    -1     1    -1    -1    -1    -1     1    -1     1    -1    -1     1     1];
 
 next_state = [
     1     8     5     4
     5     4     1     8
     2     7     6     3
     6     3     2     7
     7     2     3     6
     3     6     7     2
     8     1     4     5
     4     5     8     1];
 last_state = [
     1     7     2     8
     3     5     4     6
     6     4     5     3
     8     2     7     1
     2     8     1     7
     4     6     3     5
     5     3     6     4
     7     1     8     2];