3 * Copyright 2006 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
22 #ifndef INCLUDED_GR_FEVAL_H
23 #define INCLUDED_GR_FEVAL_H
25 #include <gr_complex.h>
28 * \brief base class for evaluating a function: double -> double
30 * This class is designed to be subclassed in Python or C++
31 * and is callable from both places. It uses SWIG's
32 * "director" feature to implement the magic.
33 * It's slow. Don't use it in a performance critical path.
39 virtual ~gr_feval_dd();
42 * \brief override this to define the function
44 virtual double eval(double x);
48 * \brief base class for evaluating a function: float -> float
50 * This class is designed to be subclassed in Python or C++
51 * and is callable from both places. It uses SWIG's
52 * "director" feature to implement the magic.
53 * It's slow. Don't use it in a performance critical path.
59 virtual ~gr_feval_ff();
62 * \brief override this to define the function
64 virtual float eval(float x);
68 * \brief base class for evaluating a function: complex -> complex
70 * This class is designed to be subclassed in Python or C++
71 * and is callable from both places. It uses SWIG's
72 * "director" feature to implement the magic.
73 * It's slow. Don't use it in a performance critical path.
79 virtual ~gr_feval_cc();
82 * \brief override this to define the function
84 virtual gr_complex eval(gr_complex x);
88 * \brief base class for evaluating a function: long -> long
90 * This class is designed to be subclassed in Python or C++
91 * and is callable from both places. It uses SWIG's
92 * "director" feature to implement the magic.
93 * It's slow. Don't use it in a performance critical path.
99 virtual ~gr_feval_ll();
102 * \brief override this to define the function
104 virtual long eval(long x);
108 * \brief trivial examples / test cases showing C++ calling Python code
110 double gr_feval_dd_example(gr_feval_dd *f, double x);
111 float gr_feval_ff_example(gr_feval_ff *f, float x);
112 gr_complex gr_feval_cc_example(gr_feval_cc *f, gr_complex x);
113 long gr_feval_ll_example(gr_feval_ll *f, long x);
116 #endif /* INCLUDED_GR_FEVAL_H */