1 files changed, 54 insertions, 0 deletions
diff --git a/gr-trellis/include/trellis/calc_metric.h b/gr-trellis/include/trellis/calc_metric.h
new file mode 100644
index 0000000000..b39267dc84
--- /dev/null
+++ b/gr-trellis/include/trellis/calc_metric.h
@@ -0,0 +1,54 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2012 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_CALC_METRIC_H
+#define INCLUDED_CALC_METRIC_H
+
+#include <vector>
+#include <gr_complex.h>
+#include <digital/metric_type.h>
+
+namespace gr {
+  namespace trellis {
+
+    template <class T>
+    void calc_metric(int O, int D, const std::vector<T> &TABLE, const T *input,
+		     float *metric, digital::trellis_metric_type_t type);
+
+    /*
+      void calc_metric(int O, int D, const std::vector<short> &TABLE, const short *input,
+      float *metric, digital::trellis_metric_type_t type);
+
+      void calc_metric(int O, int D, const std::vector<int> &TABLE, const int *input,
+      float *metric, digital::trellis_metric_type_t type);
+
+      void calc_metric(int O, int D, const std::vector<float> &TABLE, const float *input,
+      float *metric, digital::trellis_metric_type_t type);
+    */
+
+    void calc_metric(int O, int D, const std::vector<gr_complex> &TABLE, const gr_complex *input,
+		     float *metric, digital::trellis_metric_type_t type);
+
+  } /* namespace trellis */
+} /* namespace gr */
+
+#endif /* INCLUDED_CALC_METRIC_H */