gr_feval.h

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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 */

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