diff options
Diffstat (limited to 'viterbi_generator/utils/lower_utils/lower_utils/complex_vect2number.m')
| -rw-r--r-- | viterbi_generator/utils/lower_utils/lower_utils/complex_vect2number.m | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/viterbi_generator/utils/lower_utils/lower_utils/complex_vect2number.m b/viterbi_generator/utils/lower_utils/lower_utils/complex_vect2number.m new file mode 100644 index 0000000..f0d6d25 --- /dev/null +++ b/viterbi_generator/utils/lower_utils/lower_utils/complex_vect2number.m @@ -0,0 +1,44 @@ +function [ number ] = complex_vect2number(vector) + + ########################################################################### + # Copyright (C) 2008 by Piotr Krysik # + # pkrysik@stud.elka.pw.edu.pl # + # # + # This program is free software; you can redistribute it and/or modify # + # it under the terms of the GNU General Public License as published by # + # the Free Software Foundation; either version 3 of the License, or # + # (at your option) any later version. # + # # + # This program is distributed in the hope that it will be useful, # + # but WITHOUT ANY WARRANTY; without even the implied warranty of # + # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # + # GNU General Public License for more details. # + # # + # You should have received a copy of the GNU General Public License # + # along with this program; if not, write to the # + # Free Software Foundation, Inc., # + # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # + ########################################################################### + +% Change complex vector of values: 1,-1 or j,-j +% into a integer number. + + number=0; + [r,Lh] = size(vector); + for l=1:Lh, + position=2**(l-1); + if(vector(l)==1), + number=number+position*(1); + elseif(vector(l)==-1), + number=number+position*(-1); + elseif(vector(l)==-j), + number=number+position*(1); + elseif(vector(l)==j), + number=number+position*(-1); + end + end + if number < 0, + number=floor(number/2); + else + number=ceil(number/2); + end |