1 files changed, 58 insertions, 0 deletions
diff --git a/gr-digital/lib/probe_density_b_impl.h b/gr-digital/lib/probe_density_b_impl.h
new file mode 100644
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+++ b/gr-digital/lib/probe_density_b_impl.h
@@ -0,0 +1,58 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008,2012 Free Software Foundation, Inc.
+ *
+ * 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_GR_PROBE_DENSITY_B_IMPL_H
+#define INCLUDED_GR_PROBE_DENSITY_B_IMPL_H
+
+#include <digital/probe_density_b.h>
+
+namespace gr {
+  namespace digital {
+
+    class probe_density_b_impl : public probe_density_b
+    {
+    private:
+      double d_alpha;
+      double d_beta;
+      double d_density;
+
+    public:
+      probe_density_b_impl(double alpha);
+      ~probe_density_b_impl();
+
+      /*!
+       * \brief Returns the current density value
+       */
+      double density() const { return d_density; }
+
+      /*!
+       * \brief Set the average filter constant
+       */
+      void set_alpha(double alpha);
+
+      int work(int noutput_items,
+	       gr_vector_const_void_star &input_items,
+	       gr_vector_void_star &output_items);
+    };
+
+  } /* namespace digital */
+} /* namespace gr */
+
+#endif /* INCLUDED_GR_PROBE_DENSITY_B_IMPL_H */