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 3, 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 00039 class gr_feval_dd 00040 { 00041 protected: 00045 virtual double eval(double x); 00046 00047 public: 00048 gr_feval_dd() {} 00049 virtual ~gr_feval_dd(); 00050 00051 virtual double calleval(double x); // invoke "eval" 00052 }; 00053 00066 class gr_feval_cc 00067 { 00068 protected: 00072 virtual gr_complex eval(gr_complex x); 00073 00074 public: 00075 gr_feval_cc() {} 00076 virtual ~gr_feval_cc(); 00077 00078 virtual gr_complex calleval(gr_complex x); // invoke "eval" 00079 }; 00080 00093 class gr_feval_ll 00094 { 00095 protected: 00099 virtual long eval(long x); 00100 00101 public: 00102 gr_feval_ll() {} 00103 virtual ~gr_feval_ll(); 00104 00105 virtual long calleval(long x); // invoke "eval" 00106 }; 00107 00120 class gr_feval 00121 { 00122 protected: 00126 virtual void eval(); 00127 00128 public: 00129 gr_feval() {} 00130 virtual ~gr_feval(); 00131 00132 virtual void calleval(); // invoke "eval" 00133 }; 00134 00138 double gr_feval_dd_example(gr_feval_dd *f, double x); 00139 gr_complex gr_feval_cc_example(gr_feval_cc *f, gr_complex x); 00140 long gr_feval_ll_example(gr_feval_ll *f, long x); 00141 void gr_feval_example(gr_feval *f); 00142 00143 #endif /* INCLUDED_GR_FEVAL_H */