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 00040 class gr_feval_dd 00041 { 00042 protected: 00046 virtual double eval(double x); 00047 00048 public: 00049 gr_feval_dd() {} 00050 virtual ~gr_feval_dd(); 00051 00052 virtual double calleval(double x); // invoke "eval" 00053 }; 00054 00068 class gr_feval_cc 00069 { 00070 protected: 00074 virtual gr_complex eval(gr_complex x); 00075 00076 public: 00077 gr_feval_cc() {} 00078 virtual ~gr_feval_cc(); 00079 00080 virtual gr_complex calleval(gr_complex x); // invoke "eval" 00081 }; 00082 00096 class gr_feval_ll 00097 { 00098 protected: 00102 virtual long eval(long x); 00103 00104 public: 00105 gr_feval_ll() {} 00106 virtual ~gr_feval_ll(); 00107 00108 virtual long calleval(long x); // invoke "eval" 00109 }; 00110 00124 class gr_feval 00125 { 00126 protected: 00130 virtual void eval(); 00131 00132 public: 00133 gr_feval() {} 00134 virtual ~gr_feval(); 00135 00136 virtual void calleval(); // invoke "eval" 00137 }; 00138 00142 double gr_feval_dd_example(gr_feval_dd *f, double x); 00143 gr_complex gr_feval_cc_example(gr_feval_cc *f, gr_complex x); 00144 long gr_feval_ll_example(gr_feval_ll *f, long x); 00145 void gr_feval_example(gr_feval *f); 00146 00147 #endif /* INCLUDED_GR_FEVAL_H */