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diff --git a/gnuradio-core/src/lib/general/gr_repeat.h b/gnuradio-core/src/lib/general/gr_repeat.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2008 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_GR_REPEAT_H
+#define INCLUDED_GR_REPEAT_H
+
+#include <gr_sync_interpolator.h>
+
+class gr_repeat;
+
+typedef boost::shared_ptr<gr_repeat> gr_repeat_sptr;
+
+gr_repeat_sptr gr_make_repeat(size_t itemsize, int decim);
+
+/*!
+ * \brief Repeat a sample 'interp' times in output stream
+ * \ingroup converter
+ */
+
+class gr_repeat : public gr_sync_interpolator
+{
+private:
+ friend gr_repeat_sptr gr_make_repeat(size_t itemsize, int interp);
+
+ gr_repeat(size_t itemsize, int interp);
+
+ int d_interp;
+ int d_itemsize;
+
+ public:
+ ~gr_repeat();
+
+ int work(int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_GR_REPEAT_H */