1 files changed, 51 insertions, 0 deletions
diff --git a/gr-trellis/include/trellis/constellation_metrics_cf.h b/gr-trellis/include/trellis/constellation_metrics_cf.h
new file mode 100644
index 0000000000..2dca6f7b5b
--- /dev/null
+++ b/gr-trellis/include/trellis/constellation_metrics_cf.h
@@ -0,0 +1,51 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2010-2012 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_TRELLIS_CONSTELLATION_METRICS_CF_H
+#define INCLUDED_TRELLIS_CONSTELLATION_METRICS_CF_H
+
+#include <trellis/api.h>
+#include <gr_block.h>
+#include <digital/constellation.h>
+#include <digital/metric_type.h>
+
+namespace gr {
+  namespace trellis {
+
+    /*!
+     * \brief Evaluate metrics for use by the Viterbi algorithm.
+     * \ingroup coding_blk
+     */
+    class TRELLIS_API constellation_metrics_cf : virtual public gr_block
+    {
+    public:
+      // gr::trellis::constellation_metrics_cf::sptr
+      typedef boost::shared_ptr<constellation_metrics_cf> sptr;
+
+      static sptr make(digital::constellation_sptr constellation,
+		       digital::trellis_metric_type_t TYPE);
+    };
+
+  } /* namespace trellis */
+} /* namespace gr */
+
+#endif /* INCLUDED_TRELLIS_CONSTELLATION_METRICS_CF_H */