00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2006 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 #ifndef INCLUDED_GR_FEVAL_H 00023 #define INCLUDED_GR_FEVAL_H 00024 00025 #include <gr_complex.h> 00026 00035 class gr_feval_dd 00036 { 00037 public: 00038 gr_feval_dd() {} 00039 virtual ~gr_feval_dd(); 00040 00044 virtual double eval(double x); 00045 }; 00046 00055 class gr_feval_cc 00056 { 00057 public: 00058 gr_feval_cc() {} 00059 virtual ~gr_feval_cc(); 00060 00064 virtual gr_complex eval(gr_complex x); 00065 }; 00066 00075 class gr_feval_ll 00076 { 00077 public: 00078 gr_feval_ll() {} 00079 virtual ~gr_feval_ll(); 00080 00084 virtual long eval(long x); 00085 }; 00086 00090 double gr_feval_dd_example(gr_feval_dd *f, double x); 00091 gr_complex gr_feval_cc_example(gr_feval_cc *f, gr_complex x); 00092 long gr_feval_ll_example(gr_feval_ll *f, long x); 00093 00094 00095 #endif /* INCLUDED_GR_FEVAL_H */