diff options
-rw-r--r-- | gr-filter/grc/CMakeLists.txt | 1 | ||||
-rw-r--r-- | gr-filter/grc/filter_block_tree.xml | 1 | ||||
-rw-r--r-- | gr-filter/grc/fractional_interpolator_xx.xml | 46 | ||||
-rw-r--r-- | gr-filter/include/filter/CMakeLists.txt | 2 | ||||
-rw-r--r-- | gr-filter/include/filter/fractional_interpolator_cc.h | 54 | ||||
-rw-r--r-- | gr-filter/include/filter/fractional_interpolator_ff.h | 54 | ||||
-rw-r--r-- | gr-filter/lib/CMakeLists.txt | 2 | ||||
-rw-r--r-- | gr-filter/lib/fractional_interpolator_cc_impl.cc | 125 | ||||
-rw-r--r-- | gr-filter/lib/fractional_interpolator_cc_impl.h | 61 | ||||
-rw-r--r-- | gr-filter/lib/fractional_interpolator_ff_impl.cc | 125 | ||||
-rw-r--r-- | gr-filter/lib/fractional_interpolator_ff_impl.h | 61 | ||||
-rwxr-xr-x | gr-filter/python/qa_fractional_interpolator.py | 39 | ||||
-rw-r--r-- | gr-filter/swig/filter_swig.i | 6 |
13 files changed, 577 insertions, 0 deletions
diff --git a/gr-filter/grc/CMakeLists.txt b/gr-filter/grc/CMakeLists.txt index 531dc5271..48d452d39 100644 --- a/gr-filter/grc/CMakeLists.txt +++ b/gr-filter/grc/CMakeLists.txt @@ -23,6 +23,7 @@ install(FILES fft_filter_xxx.xml fir_filter_xxx.xml filter_delay_fc.xml + fractional_interpolator_xx.xml freq_xlating_fir_filter_xxx.xml hilbert_fc.xml iir_filter_ffd.xml diff --git a/gr-filter/grc/filter_block_tree.xml b/gr-filter/grc/filter_block_tree.xml index 8ab43644b..7f34a1b70 100644 --- a/gr-filter/grc/filter_block_tree.xml +++ b/gr-filter/grc/filter_block_tree.xml @@ -34,6 +34,7 @@ <block>fft_filter_xxx</block> <block>fir_filter_xxx</block> <block>filter_delay_fc</block> + <block>fractional_interpolator_xx</block> <block>freq_xlating_fir_filter_xxx</block> <block>hilbert_fc</block> <block>iir_filter_ffd</block> diff --git a/gr-filter/grc/fractional_interpolator_xx.xml b/gr-filter/grc/fractional_interpolator_xx.xml new file mode 100644 index 000000000..760e8bb06 --- /dev/null +++ b/gr-filter/grc/fractional_interpolator_xx.xml @@ -0,0 +1,46 @@ +<?xml version="1.0"?> +<!-- +################################################### +##Fractional Interpolator +################################################### + --> +<block> + <name>Fractional Interpolator</name> + <key>fractional_interpolator_xx</key> + <import>from gnuradio import filter</import> + <make>filter.fractional_interpolator_$(type.fcn)($phase_shift, $interp_ratio)</make> + <callback>set_interp_ratio($interp_ratio)</callback> + <param> + <name>Type</name> + <key>type</key> + <type>enum</type> + <option> + <name>Complex</name> + <key>complex</key> + <opt>fcn:cc</opt> + </option> + <option> + <name>Float</name> + <key>float</key> + <opt>fcn:ff</opt> + </option> + </param> + <param> + <name>Phase Shift</name> + <key>phase_shift</key> + <type>real</type> + </param> + <param> + <name>Interpolation Ratio</name> + <key>interp_ratio</key> + <type>real</type> + </param> + <sink> + <name>in</name> + <type>$type</type> + </sink> + <source> + <name>out</name> + <type>$type</type> + </source> +</block> diff --git a/gr-filter/include/filter/CMakeLists.txt b/gr-filter/include/filter/CMakeLists.txt index 3a1b5f150..267b8b66b 100644 --- a/gr-filter/include/filter/CMakeLists.txt +++ b/gr-filter/include/filter/CMakeLists.txt @@ -95,6 +95,8 @@ install(FILES filter_delay_fc.h fft_filter_ccc.h fft_filter_fff.h + fractional_interpolator_cc.h + fractional_interpolator_ff.h hilbert_fc.h iir_filter_ffd.h pfb_channelizer_ccf.h diff --git a/gr-filter/include/filter/fractional_interpolator_cc.h b/gr-filter/include/filter/fractional_interpolator_cc.h new file mode 100644 index 000000000..e5d066bbc --- /dev/null +++ b/gr-filter/include/filter/fractional_interpolator_cc.h @@ -0,0 +1,54 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2012 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_FRACTIONAL_INTERPOLATOR_CC_H +#define INCLUDED_FRACTIONAL_INTERPOLATOR_CC_H + +#include <filter/api.h> +#include <gr_block.h> + +namespace gr { + namespace filter { + + /*! + * \brief Interpolating MMSE filter with complex input, complex output + * \ingroup filter_blk + */ + class FILTER_API fractional_interpolator_cc : virtual public gr_block + { + public: + // gr::filter::fractional_interpolator_cc::sptr + typedef boost::shared_ptr<fractional_interpolator_cc> sptr; + + static FILTER_API sptr make(float phase_shift, + float interp_ratio); + + virtual float mu() const = 0; + virtual float interp_ratio() const = 0; + virtual void set_mu (float mu) = 0; + virtual void set_interp_ratio(float interp_ratio) = 0; + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* INCLUDED_FRACTIONAL_INTERPOLATOR_FF_H */ diff --git a/gr-filter/include/filter/fractional_interpolator_ff.h b/gr-filter/include/filter/fractional_interpolator_ff.h new file mode 100644 index 000000000..8280baee3 --- /dev/null +++ b/gr-filter/include/filter/fractional_interpolator_ff.h @@ -0,0 +1,54 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2012 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_FRACTIONAL_INTERPOLATOR_FF_H +#define INCLUDED_FRACTIONAL_INTERPOLATOR_FF_H + +#include <filter/api.h> +#include <gr_block.h> + +namespace gr { + namespace filter { + + /*! + * \brief Interpolating MMSE filter with float input, float output + * \ingroup filter_blk + */ + class FILTER_API fractional_interpolator_ff : virtual public gr_block + { + public: + // gr::filter::fractional_interpolator_ff::sptr + typedef boost::shared_ptr<fractional_interpolator_ff> sptr; + + static FILTER_API sptr make(float phase_shift, + float interp_ratio); + + virtual float mu() const = 0; + virtual float interp_ratio() const = 0; + virtual void set_mu (float mu) = 0; + virtual void set_interp_ratio(float interp_ratio) = 0; + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* INCLUDED_FRACTIONAL_INTERPOLATOR_FF_H */ diff --git a/gr-filter/lib/CMakeLists.txt b/gr-filter/lib/CMakeLists.txt index 97afe7139..334720766 100644 --- a/gr-filter/lib/CMakeLists.txt +++ b/gr-filter/lib/CMakeLists.txt @@ -122,6 +122,8 @@ list(APPEND filter_sources filter_delay_fc_impl.cc fft_filter_ccc_impl.cc fft_filter_fff_impl.cc + fractional_interpolator_cc_impl.cc + fractional_interpolator_ff_impl.cc hilbert_fc_impl.cc iir_filter_ffd_impl.cc pfb_channelizer_ccf_impl.cc diff --git a/gr-filter/lib/fractional_interpolator_cc_impl.cc b/gr-filter/lib/fractional_interpolator_cc_impl.cc new file mode 100644 index 000000000..8fd89f437 --- /dev/null +++ b/gr-filter/lib/fractional_interpolator_cc_impl.cc @@ -0,0 +1,125 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2010,2012 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gr_io_signature.h> +#include "fractional_interpolator_cc_impl.h" +#include <stdexcept> + +namespace gr { + namespace filter { + + fractional_interpolator_cc::sptr + fractional_interpolator_cc::make(float phase_shift, float interp_ratio) + { + return gnuradio::get_initial_sptr( + new fractional_interpolator_cc_impl(phase_shift, interp_ratio)); + } + + fractional_interpolator_cc_impl::fractional_interpolator_cc_impl + (float phase_shift, float interp_ratio) + : gr_block("fractional_interpolator_cc", + gr_make_io_signature(1, 1, sizeof(gr_complex)), + gr_make_io_signature(1, 1, sizeof(gr_complex))), + d_mu (phase_shift), d_mu_inc (interp_ratio), + d_interp(new mmse_fir_interpolator_cc()) + { + if(interp_ratio <= 0) + throw std::out_of_range("interpolation ratio must be > 0"); + if(phase_shift < 0 || phase_shift > 1) + throw std::out_of_range("phase shift ratio must be > 0 and < 1"); + + set_relative_rate(1.0 / interp_ratio); + } + + fractional_interpolator_cc_impl::~fractional_interpolator_cc_impl() + { + delete d_interp; + } + + void + fractional_interpolator_cc_impl::forecast(int noutput_items, + gr_vector_int &ninput_items_required) + { + unsigned ninputs = ninput_items_required.size(); + for(unsigned i=0; i < ninputs; i++) { + ninput_items_required[i] = + (int)ceil((noutput_items * d_mu_inc) + d_interp->ntaps()); + } + } + + int + fractional_interpolator_cc_impl::general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const gr_complex *in = (const gr_complex*)input_items[0]; + gr_complex *out = (gr_complex*)output_items[0]; + + int ii = 0; // input index + int oo = 0; // output index + + while(oo < noutput_items) { + out[oo++] = d_interp->interpolate(&in[ii], d_mu); + + double s = d_mu + d_mu_inc; + double f = floor(s); + int incr = (int)f; + d_mu = s - f; + ii += incr; + } + + consume_each(ii); + + return noutput_items; + } + + float + fractional_interpolator_cc_impl::mu() const + { + return d_mu; + } + + float + fractional_interpolator_cc_impl::interp_ratio() const + { + return d_mu_inc; + } + + void + fractional_interpolator_cc_impl::set_mu(float mu) + { + d_mu = mu; + } + + void + fractional_interpolator_cc_impl::set_interp_ratio(float interp_ratio) + { + d_mu_inc = interp_ratio; + } + + } /* namespace filter */ +} /* namespace gr */ diff --git a/gr-filter/lib/fractional_interpolator_cc_impl.h b/gr-filter/lib/fractional_interpolator_cc_impl.h new file mode 100644 index 000000000..cb4218603 --- /dev/null +++ b/gr-filter/lib/fractional_interpolator_cc_impl.h @@ -0,0 +1,61 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2012 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_FRACTIONAL_INTERPOLATOR_CC_IMPL_H +#define INCLUDED_FRACTIONAL_INTERPOLATOR_CC_IMPL_H + +#include <filter/fractional_interpolator_cc.h> +#include <filter/mmse_fir_interpolator_cc.h> + +namespace gr { + namespace filter { + + class FILTER_API fractional_interpolator_cc_impl + : public fractional_interpolator_cc + { + private: + float d_mu; + float d_mu_inc; + mmse_fir_interpolator_cc *d_interp; + + public: + fractional_interpolator_cc_impl(float phase_shift, + float interp_ratio); + ~fractional_interpolator_cc_impl(); + + void forecast(int noutput_items, + gr_vector_int &ninput_items_required); + int general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + + float mu() const; + float interp_ratio() const; + void set_mu(float mu); + void set_interp_ratio(float interp_ratio); + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* INCLUDED_FRACTIONAL_INTERPOLATOR_CC_IMPL_H */ diff --git a/gr-filter/lib/fractional_interpolator_ff_impl.cc b/gr-filter/lib/fractional_interpolator_ff_impl.cc new file mode 100644 index 000000000..6b35dc106 --- /dev/null +++ b/gr-filter/lib/fractional_interpolator_ff_impl.cc @@ -0,0 +1,125 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2010 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <gr_io_signature.h> +#include "fractional_interpolator_ff_impl.h" +#include <stdexcept> + +namespace gr { + namespace filter { + + fractional_interpolator_ff::sptr + fractional_interpolator_ff::make(float phase_shift, float interp_ratio) + { + return gnuradio::get_initial_sptr( + new fractional_interpolator_ff_impl(phase_shift, interp_ratio)); + } + + fractional_interpolator_ff_impl::fractional_interpolator_ff_impl + (float phase_shift, float interp_ratio) + : gr_block("fractional_interpolator_ff", + gr_make_io_signature(1, 1, sizeof(float)), + gr_make_io_signature(1, 1, sizeof(float))), + d_mu (phase_shift), d_mu_inc (interp_ratio), + d_interp(new mmse_fir_interpolator_ff()) + { + if(interp_ratio <= 0) + throw std::out_of_range("interpolation ratio must be > 0"); + if(phase_shift < 0 || phase_shift > 1) + throw std::out_of_range("phase shift ratio must be > 0 and < 1"); + + set_relative_rate(1.0 / interp_ratio); + } + + fractional_interpolator_ff_impl::~fractional_interpolator_ff_impl() + { + delete d_interp; + } + + void + fractional_interpolator_ff_impl::forecast(int noutput_items, + gr_vector_int &ninput_items_required) + { + unsigned ninputs = ninput_items_required.size(); + for(unsigned i=0; i < ninputs; i++) { + ninput_items_required[i] = + (int)ceil((noutput_items * d_mu_inc) + d_interp->ntaps()); + } + } + + int + fractional_interpolator_ff_impl::general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + const float *in = (const float*)input_items[0]; + float *out = (float*)output_items[0]; + + int ii = 0; // input index + int oo = 0; // output index + + while(oo < noutput_items) { + out[oo++] = d_interp->interpolate(&in[ii], d_mu); + + double s = d_mu + d_mu_inc; + double f = floor(s); + int incr = (int)f; + d_mu = s - f; + ii += incr; + } + + consume_each(ii); + + return noutput_items; + } + + float + fractional_interpolator_ff_impl::mu() const + { + return d_mu; + } + + float + fractional_interpolator_ff_impl::interp_ratio() const + { + return d_mu_inc; + } + + void + fractional_interpolator_ff_impl::set_mu(float mu) + { + d_mu = mu; + } + + void + fractional_interpolator_ff_impl::set_interp_ratio(float interp_ratio) + { + d_mu_inc = interp_ratio; + } + + } /* namespace filter */ +} /* namespace gr */ diff --git a/gr-filter/lib/fractional_interpolator_ff_impl.h b/gr-filter/lib/fractional_interpolator_ff_impl.h new file mode 100644 index 000000000..d31385cc4 --- /dev/null +++ b/gr-filter/lib/fractional_interpolator_ff_impl.h @@ -0,0 +1,61 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2007,2012 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_FRACTIONAL_INTERPOLATOR_FF_IMPL_H +#define INCLUDED_FRACTIONAL_INTERPOLATOR_FF_IMPL_H + +#include <filter/fractional_interpolator_ff.h> +#include <filter/mmse_fir_interpolator_ff.h> + +namespace gr { + namespace filter { + + class FILTER_API fractional_interpolator_ff_impl + : public fractional_interpolator_ff + { + private: + float d_mu; + float d_mu_inc; + mmse_fir_interpolator_ff *d_interp; + + public: + fractional_interpolator_ff_impl(float phase_shift, + float interp_ratio); + ~fractional_interpolator_ff_impl(); + + void forecast(int noutput_items, + gr_vector_int &ninput_items_required); + int general_work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + + float mu() const; + float interp_ratio() const; + void set_mu(float mu); + void set_interp_ratio(float interp_ratio); + }; + + } /* namespace filter */ +} /* namespace gr */ + +#endif /* INCLUDED_FRACTIONAL_INTERPOLATOR_FF_IMPL_H */ diff --git a/gr-filter/python/qa_fractional_interpolator.py b/gr-filter/python/qa_fractional_interpolator.py new file mode 100755 index 000000000..51c8f9530 --- /dev/null +++ b/gr-filter/python/qa_fractional_interpolator.py @@ -0,0 +1,39 @@ +#!/usr/bin/env python +# +# Copyright 2007,2010,2012 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. +# + +from gnuradio import gr, gr_unittest +import filter_swig as filter + +class test_fractional_resampler(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_000_make(self): + op = gr.fractional_interpolator_ff(0.0, 1.0) + op2 = gr.fractional_interpolator_cc(0.0, 1.0) + +if __name__ == '__main__': + gr_unittest.run(test_fractional_resampler, "test_fractional_resampler.xml") diff --git a/gr-filter/swig/filter_swig.i b/gr-filter/swig/filter_swig.i index 161fd4fe3..33c52b7a4 100644 --- a/gr-filter/swig/filter_swig.i +++ b/gr-filter/swig/filter_swig.i @@ -42,6 +42,8 @@ #include "filter/fir_filter_fsf.h" #include "filter/fft_filter_ccc.h" #include "filter/fft_filter_fff.h" +#include "filter/fractional_interpolator_cc.h" +#include "filter/fractional_interpolator_ff.h" #include "filter/freq_xlating_fir_filter_ccc.h" #include "filter/freq_xlating_fir_filter_ccf.h" #include "filter/freq_xlating_fir_filter_fcc.h" @@ -69,6 +71,8 @@ %include "filter/fir_filter_fsf.h" %include "filter/fft_filter_ccc.h" %include "filter/fft_filter_fff.h" +%include "filter/fractional_interpolator_cc.h" +%include "filter/fractional_interpolator_ff.h" %include "filter/freq_xlating_fir_filter_ccc.h" %include "filter/freq_xlating_fir_filter_ccf.h" %include "filter/freq_xlating_fir_filter_fcc.h" @@ -93,6 +97,8 @@ GR_SWIG_BLOCK_MAGIC2(filter, fir_filter_scc); GR_SWIG_BLOCK_MAGIC2(filter, fir_filter_fsf); GR_SWIG_BLOCK_MAGIC2(filter, fft_filter_ccc); GR_SWIG_BLOCK_MAGIC2(filter, fft_filter_fff); +GR_SWIG_BLOCK_MAGIC2(filter, fractional_interpolator_cc); +GR_SWIG_BLOCK_MAGIC2(filter, fractional_interpolator_ff); GR_SWIG_BLOCK_MAGIC2(filter, freq_xlating_fir_filter_ccc); GR_SWIG_BLOCK_MAGIC2(filter, freq_xlating_fir_filter_ccf); GR_SWIG_BLOCK_MAGIC2(filter, freq_xlating_fir_filter_fcc); |