forked from sdr/gr-osmosdr
187 lines
5.0 KiB
C++
187 lines
5.0 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright 2006,2013 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_GR_FEVAL_H
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#define INCLUDED_GR_FEVAL_H
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#include <gnuradio/api.h>
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#include <gnuradio/gr_complex.h>
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namespace gr {
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/*!
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* \brief base class for evaluating a function: double -> double
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* \ingroup misc
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*
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* This class is designed to be subclassed in Python or C++ and is
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* callable from both places. It uses SWIG's "director" feature to
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* implement the magic.
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*
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* It's slow. Don't use it in a performance critical path.
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*
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* Override eval to define the behavior.
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* Use calleval to invoke eval (this kludge is required to allow a
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* python specific "shim" to be inserted.
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*/
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class GR_RUNTIME_API feval_dd
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{
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protected:
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/*!
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* \brief override this to define the function
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*/
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virtual double eval(double x);
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public:
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feval_dd() {}
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virtual ~feval_dd();
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virtual double calleval(double x); // invoke "eval"
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};
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/*!
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* \brief base class for evaluating a function: complex -> complex
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* \ingroup misc
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*
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* This class is designed to be subclassed in Python or C++ and is
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* callable from both places. It uses SWIG's "director" feature to
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* implement the magic.
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*
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* It's slow. Don't use it in a performance critical path.
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*
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* Override eval to define the behavior.
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* Use calleval to invoke eval (this kludge is required to allow a
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* python specific "shim" to be inserted.
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*/
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class GR_RUNTIME_API feval_cc
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{
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protected:
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/*!
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* \brief override this to define the function
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*/
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virtual gr_complex eval(gr_complex x);
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public:
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feval_cc() {}
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virtual ~feval_cc();
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virtual gr_complex calleval(gr_complex x); // invoke "eval"
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};
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/*!
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* \brief base class for evaluating a function: long -> long
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* \ingroup misc
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*
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* This class is designed to be subclassed in Python or C++ and is
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* callable from both places. It uses SWIG's "director" feature to
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* implement the magic.
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*
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* It's slow. Don't use it in a performance critical path.
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*
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* Override eval to define the behavior.
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* Use calleval to invoke eval (this kludge is required to allow a
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* python specific "shim" to be inserted.
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*/
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class GR_RUNTIME_API feval_ll
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{
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protected:
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/*!
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* \brief override this to define the function
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*/
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virtual long eval(long x);
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public:
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feval_ll() {}
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virtual ~feval_ll();
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virtual long calleval(long x); // invoke "eval"
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};
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/*!
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* \brief base class for evaluating a function: void -> void
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* \ingroup misc
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*
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* This class is designed to be subclassed in Python or C++ and is
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* callable from both places. It uses SWIG's "director" feature to
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* implement the magic.
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*
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* It's slow. Don't use it in a performance critical path.
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*
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* Override eval to define the behavior.
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* Use calleval to invoke eval (this kludge is required to allow a
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* python specific "shim" to be inserted.
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*/
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class GR_RUNTIME_API feval
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{
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protected:
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/*!
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* \brief override this to define the function
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*/
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virtual void eval();
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public:
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feval() {}
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virtual ~feval();
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virtual void calleval(); // invoke "eval"
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};
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/*!
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* \brief base class for evaluating a function: pmt -> void
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* \ingroup misc
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*
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* This class is designed to be subclassed in Python or C++ and is
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* callable from both places. It uses SWIG's "director" feature to
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* implement the magic.
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*
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* It's slow. Don't use it in a performance critical path.
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*
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* Override eval to define the behavior.
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* Use calleval to invoke eval (this kludge is required to allow a
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* python specific "shim" to be inserted.
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*/
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class GR_RUNTIME_API feval_p
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{
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protected:
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/*!
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* \brief override this to define the function
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*/
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virtual void eval(double);
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public:
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feval_p() {}
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virtual ~feval_p();
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virtual void calleval(double); // invoke "eval"
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};
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/*!
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* \brief trivial examples / test cases showing C++ calling Python code
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*/
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GR_RUNTIME_API double feval_dd_example(feval_dd *f, double x);
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GR_RUNTIME_API gr_complex feval_cc_example(feval_cc *f, gr_complex x);
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GR_RUNTIME_API long feval_ll_example(feval_ll *f, long x);
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GR_RUNTIME_API void feval_example(feval *f);
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} /* namespace gr */
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#endif /* INCLUDED_GR_FEVAL_H */
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