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GrImag.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 _GRIMAG_H_
00024 #define _GRIMAG_H_
00025 
00026 #include <VrSigProc.h>
00027 
00028 template<class oType>
00029 class GrImag : public VrSigProc {
00030  public:
00031   GrImag () : VrSigProc (1, sizeof (VrComplex), sizeof (oType)) {}
00032 
00033   virtual const char *name() { return "GrImag"; }
00034 
00035   virtual int work(VrSampleRange output, void *o[],
00036                    VrSampleRange inputs[], void *i[]);
00037 
00038 };
00039 
00040 template<class oType> int
00041 GrImag<oType>::work(VrSampleRange output, void *ao[],
00042                     VrSampleRange inputs[], void *ai[])
00043 {
00044   VrComplex *i0 = ((VrComplex **)ai)[0];
00045   oType *o0 = ((oType **)ao)[0];
00046   long  size = output.size;
00047   long  i;
00048 
00049   for (i = 0; i < size; i++)
00050     o0[i] = (oType) imag (i0[i]);
00051 
00052   return output.size;
00053 }
00054 
00055 
00056 #endif /* _GRIMAG_H_ */

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