/* -*- c++ -*- */ /* * Copyright 2017 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_BLOCKS_EXPONENTIATE_CONST_CCI_H #define INCLUDED_BLOCKS_EXPONENTIATE_CONST_CCI_H #include <gnuradio/blocks/api.h> #include <gnuradio/sync_block.h> namespace gr { namespace blocks { /*! * \brief Exponentiates a complex stream with an integer exponent * \ingroup blocks * * \details * This block raises a complex stream to an integer exponent. The exponent * must be at least 1. There is a callback function so the exponent can be * changed at runtime. * * NOTE: The algorithm uses iterative multiplication to achieve exponentiation, * hence it is O(exponent). Therefore, this block could be inefficient for large * exponents. */ class BLOCKS_API exponentiate_const_cci : virtual public gr::sync_block { public: typedef boost::shared_ptr<exponentiate_const_cci> sptr; /* * \param exponent Exponent the input stream is raised to, which must be an integer. * The algorithm uses iterative multiplication to achieve exponentiation, hence it is * O(exponent). Therefore, this block could be inefficient for large exponents. * \param vlen Vector length of input/output stream */ static sptr make(int exponent, size_t vlen = 1); virtual void set_exponent(int exponent) = 0; }; } // namespace blocks } // namespace gr #endif /* INCLUDED_BLOCKS_EXPONENTIATE_CONST_CCI_H */