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GrArbFunc.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2002 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., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 #ifndef _GRARBFUNC_H_
00024 #define _GRARBFUNC_H_
00025 
00026 #include <VrSigProc.h>
00027 
00040 template<class iType, class oType>
00041 class GrArbFunc : public VrSigProc {
00042 public:
00043   GrArbFunc (oType (*f)(const iType&) ) : 
00044     VrSigProc (1, sizeof (iType), sizeof (oType)),
00045     func(f) {}
00046 
00047   virtual const char *name() { return "GrArbFunc"; }
00048 
00049   virtual int work(VrSampleRange output, void *o[],
00050                    VrSampleRange inputs[], void *i[]);
00051 
00052 protected:
00053   oType (*func)(const iType&);
00054 };
00055 
00056 template<class iType, class oType> int
00057 GrArbFunc<iType,oType>::work(VrSampleRange output, void *ao[],
00058                                VrSampleRange inputs[], void *ai[])
00059 {
00060   iType **i = ((iType **)ai);
00061   oType **o = ((oType **)ao);
00062   unsigned int size = output.size;
00063  
00064   for (unsigned int x = 0; x < size; x++)
00065     o[0][x] = (*func)(reinterpret_cast<const iType &>(i[0][x]));
00066   //    o[0][x] = (*func)(reinterpret_cast<const iType&>(&i[0][x]));
00067 
00068   return output.size;
00069 }
00070 
00071 
00072 #endif /* _GRMAGNITUDE_H_ */

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