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authorAchilleas Anastasopoulos <anastas@umich.edu>2011-02-18 20:35:23 -0500
committerAchilleas Anastasopoulos <anastas@umich.edu>2011-02-18 20:35:23 -0500
commitea76761275b68744f05550ddab612f551baad75a (patch)
tree961d7e546a48698c79417afedfeb0bc5a5a33cb9 /gr-trellis/src/lib/core_algorithms.h
parent2ed9e3bc58dacd41dff201d8365f7bd04fc56462 (diff)
core algorithms such as viterbi/siso were refactored
and implemented using templates. Minor renaming of some files
Diffstat (limited to 'gr-trellis/src/lib/core_algorithms.h')
-rw-r--r--gr-trellis/src/lib/core_algorithms.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/gr-trellis/src/lib/core_algorithms.h b/gr-trellis/src/lib/core_algorithms.h
new file mode 100644
index 0000000000..77b27b7976
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+++ b/gr-trellis/src/lib/core_algorithms.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2004 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio 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, or (at your option)
+ * any later version.
+ *
+ * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef INCLUDED_CORE_ALGORITHMS_H
+#define INCLUDED_CORE_ALGORITHMS_H
+
+#include <cmath>
+#include <vector>
+//#include <gr_complex.h>
+#include "metric_type.h"
+
+
+inline float min(float a, float b);
+inline float min_star(float a, float b);
+
+template <class T>
+void viterbi_algorithm(int I, int S, int O,
+ const std::vector<int> &NS,
+ const std::vector<int> &OS,
+ const std::vector< std::vector<int> > &PS,
+ const std::vector< std::vector<int> > &PI,
+ int K,
+ int S0,int SK,
+ const float *in, T *out
+);
+
+template <class Ti, class To>
+void viterbi_algorithm_combined(int I, int S, int O,
+ const std::vector<int> &NS,
+ const std::vector<int> &OS,
+ const std::vector< std::vector<int> > &PS,
+ const std::vector< std::vector<int> > &PI,
+ int K,
+ int S0,int SK,
+ int D,
+ const std::vector<Ti> &TABLE,
+ trellis_metric_type_t TYPE,
+ const Ti *in, To *out
+);
+
+
+
+void siso_algorithm(int I, int S, int O,
+ const std::vector<int> &NS,
+ const std::vector<int> &OS,
+ const std::vector< std::vector<int> > &PS,
+ const std::vector< std::vector<int> > &PI,
+ int K,
+ int S0,int SK,
+ bool POSTI, bool POSTO,
+ float (*p2mymin)(float,float),
+ const float *priori, const float *prioro, float *post
+);
+
+
+void siso_algorithm_combined(int I, int S, int O,
+ const std::vector<int> &NS,
+ const std::vector<int> &OS,
+ const std::vector< std::vector<int> > &PS,
+ const std::vector< std::vector<int> > &PI,
+ int K,
+ int S0,int SK,
+ bool POSTI, bool POSTO,
+ float (*p2mymin)(float,float),
+ int D,
+ const std::vector<float> &TABLE,
+ trellis_metric_type_t TYPE,
+ const float *priori, const float *observations, float *post
+);
+
+
+#endif