/usr/include/gnuradio/feval.h is in gnuradio-dev 3.7.10.1-2+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | /* -*- c++ -*- */
/*
* Copyright 2006,2013 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_FEVAL_H
#define INCLUDED_GR_FEVAL_H
#include <gnuradio/api.h>
#include <gnuradio/gr_complex.h>
#include <pmt/pmt.h>
namespace gr {
/*!
* \brief base class for evaluating a function: double -> double
* \ingroup misc
*
* This class is designed to be subclassed in Python or C++ and is
* callable from both places. It uses SWIG's "director" feature to
* implement the magic.
*
* It's slow. Don't use it in a performance critical path.
*
* Override eval to define the behavior.
* Use calleval to invoke eval (this kludge is required to allow a
* python specific "shim" to be inserted.
*/
class GR_RUNTIME_API feval_dd
{
protected:
/*!
* \brief override this to define the function
*/
virtual double eval(double x);
public:
feval_dd() {}
virtual ~feval_dd();
virtual double calleval(double x); // invoke "eval"
};
/*!
* \brief base class for evaluating a function: complex -> complex
* \ingroup misc
*
* This class is designed to be subclassed in Python or C++ and is
* callable from both places. It uses SWIG's "director" feature to
* implement the magic.
*
* It's slow. Don't use it in a performance critical path.
*
* Override eval to define the behavior.
* Use calleval to invoke eval (this kludge is required to allow a
* python specific "shim" to be inserted.
*/
class GR_RUNTIME_API feval_cc
{
protected:
/*!
* \brief override this to define the function
*/
virtual gr_complex eval(gr_complex x);
public:
feval_cc() {}
virtual ~feval_cc();
virtual gr_complex calleval(gr_complex x); // invoke "eval"
};
/*!
* \brief base class for evaluating a function: long -> long
* \ingroup misc
*
* This class is designed to be subclassed in Python or C++ and is
* callable from both places. It uses SWIG's "director" feature to
* implement the magic.
*
* It's slow. Don't use it in a performance critical path.
*
* Override eval to define the behavior.
* Use calleval to invoke eval (this kludge is required to allow a
* python specific "shim" to be inserted.
*/
class GR_RUNTIME_API feval_ll
{
protected:
/*!
* \brief override this to define the function
*/
virtual long eval(long x);
public:
feval_ll() {}
virtual ~feval_ll();
virtual long calleval(long x); // invoke "eval"
};
/*!
* \brief base class for evaluating a function: void -> void
* \ingroup misc
*
* This class is designed to be subclassed in Python or C++ and is
* callable from both places. It uses SWIG's "director" feature to
* implement the magic.
*
* It's slow. Don't use it in a performance critical path.
*
* Override eval to define the behavior.
* Use calleval to invoke eval (this kludge is required to allow a
* python specific "shim" to be inserted.
*/
class GR_RUNTIME_API feval
{
protected:
/*!
* \brief override this to define the function
*/
virtual void eval();
public:
feval() {}
virtual ~feval();
virtual void calleval(); // invoke "eval"
};
/*!
* \brief base class for evaluating a function: pmt -> void
* \ingroup misc
*
* This class is designed to be subclassed in Python or C++ and is
* callable from both places. It uses SWIG's "director" feature to
* implement the magic.
*
* It's slow. Don't use it in a performance critical path.
*
* Override eval to define the behavior.
* Use calleval to invoke eval (this kludge is required to allow a
* python specific "shim" to be inserted.
*/
class GR_RUNTIME_API feval_p
{
protected:
/*!
* \brief override this to define the function
*/
virtual void eval(pmt::pmt_t x);
public:
feval_p() {}
virtual ~feval_p();
virtual void calleval(pmt::pmt_t x); // invoke "eval"
};
/*!
* \brief trivial examples / test cases showing C++ calling Python code
*/
GR_RUNTIME_API double feval_dd_example(feval_dd *f, double x);
GR_RUNTIME_API gr_complex feval_cc_example(feval_cc *f, gr_complex x);
GR_RUNTIME_API long feval_ll_example(feval_ll *f, long x);
GR_RUNTIME_API void feval_example(feval *f);
} /* namespace gr */
#endif /* INCLUDED_GR_FEVAL_H */
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