--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2005 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_WAVELET_FF_H
+#define INCLUDED_GR_WAVELET_FF_H
+
+#include <iostream>
+#include <gr_sync_block.h>
+
+#include <gsl/gsl_errno.h>
+#include <gsl/gsl_wavelet.h>
+
+class gr_wavelet_ff;
+typedef boost::shared_ptr<gr_wavelet_ff> gr_wavelet_ff_sptr;
+
+gr_wavelet_ff_sptr
+gr_make_wavelet_ff(int size = 1024,
+ int order = 20,
+ bool forward = true);
+
+/*!
+ * \brief compute wavelet transform using gsl routines
+ * \ingroup wavelet_blk
+ */
+
+class gr_wavelet_ff : public gr_sync_block
+{
+ int d_size;
+ int d_order;
+ bool d_forward;
+ gsl_wavelet *d_wavelet;
+ gsl_wavelet_workspace *d_workspace;
+ double *d_temp;
+
+ friend gr_wavelet_ff_sptr
+ gr_make_wavelet_ff(int size,
+ int order,
+ bool forward);
+
+ gr_wavelet_ff(int size,
+ int order,
+ bool forward);
+
+public:
+ ~gr_wavelet_ff();
+
+ int work (int noutput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_GR_WAVELET_FF_H */