1 files changed, 57 insertions, 0 deletions
diff --git a/gr-analog/lib/rail_ff_impl.h b/gr-analog/lib/rail_ff_impl.h
new file mode 100644
index 000000000..436b10b41
--- /dev/null
+++ b/gr-analog/lib/rail_ff_impl.h
@@ -0,0 +1,57 @@
+/* -*- 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_ANALOG_RAIL_FF_IMPL_H
+#define INCLUDED_ANALOG_RAIL_FF_IMPL_H
+
+#include <analog/rail_ff.h>
+
+namespace gr {
+  namespace analog {
+    
+    class rail_ff_impl : public rail_ff
+    {
+    private:
+      float d_lo, d_hi;
+      float d_mid, d_clip;
+
+      void set_clipping();
+
+    public:
+      rail_ff_impl(float lo, float hi);
+      ~rail_ff_impl();
+
+      float lo() const { return d_lo; }
+      float hi() const { return d_hi; }
+
+      void set_lo(float lo);
+      void set_hi(float hi);
+
+      int work(int noutput_items,
+	       gr_vector_const_void_star &input_items,
+	       gr_vector_void_star &output_items);
+    };
+
+  } /* namespace analog */
+} /* namespace gr */
+
+#endif /* INCLUDED_ANALOG_RAIL_FF_IMPL_H */