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Diffstat (limited to 'viterbi_generator/utils/lower_utils/lower_utils/make_symbols.m')
-rw-r--r--viterbi_generator/utils/lower_utils/lower_utils/make_symbols.m35
1 files changed, 35 insertions, 0 deletions
diff --git a/viterbi_generator/utils/lower_utils/lower_utils/make_symbols.m b/viterbi_generator/utils/lower_utils/lower_utils/make_symbols.m
new file mode 100644
index 0000000..3849fbd
--- /dev/null
+++ b/viterbi_generator/utils/lower_utils/lower_utils/make_symbols.m
@@ -0,0 +1,35 @@
+function [ SYMBOLS ] = make_symbols(Lh)
+
+ ###########################################################################
+ # 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. #
+ ###########################################################################
+
+BRANCH_NUM=2**(Lh+1);
+SYMBOLS=ones(BRANCH_NUM, Lh);
+
+for column=1:Lh,
+ for i=1:(2**column),
+ SYMBOLS(i:(2**(column+1)):BRANCH_NUM,column)=-1;
+ end
+
+end
+
+SYMBOLS(1:2:BRANCH_NUM, 1:2:Lh) = SYMBOLS(1:2:BRANCH_NUM, 1:2:Lh).*(-j);
+SYMBOLS(2:2:BRANCH_NUM, 2:2:Lh) = SYMBOLS(2:2:BRANCH_NUM, 2:2:Lh).*(-j);
+
personal git repositories of Harald Welte. Your mileage may vary