mirror of https://github.com/hb9fxq/gr-digitalhf
43 lines
801 B
C++
43 lines
801 B
C++
// -*- c++ -*-
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#ifndef _LIB_NLMS_HPP_
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#define _LIB_NLMS_HPP_
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#include <vector>
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#include "filter_update.hpp"
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#include "volk_alloc.h"
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namespace gr {
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namespace digitalhf {
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class nlms : public filter_update {
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public:
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virtual ~nlms();
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static sptr make(float mu, float delta);
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virtual void reset();
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virtual gr_complex const* update(gr_complex const*, gr_complex const*);
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virtual void set_parameters(std::map<std::string, float>const &);
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protected:
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void resize(size_t);
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private:
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nlms(float mu, float delta);
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typedef volk::vector<gr_complex> complex_vec_type;
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typedef volk::vector<float> real_vec_type;
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float _mu;
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float _delta;
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complex_vec_type _gain;
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complex_vec_type _tmp;
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real_vec_type _t1;
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} ;
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} // namespace digitalhf
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} // namespace gr
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#endif // _LIB_NLMS_HPP_
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