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 _GRREAL_H_ 00024 #define _GRREAL_H_ 00025 00026 #include <VrSigProc.h> 00027 00028 template<class oType> 00029 class GrReal : public VrSigProc { 00030 public: 00031 GrReal () : VrSigProc (1, sizeof (VrComplex), sizeof (oType)) {} 00032 00033 virtual const char *name() { return "GrReal"; } 00034 00035 virtual int work(VrSampleRange output, void *o[], 00036 VrSampleRange inputs[], void *i[]); 00037 00038 }; 00039 00040 template<class oType> int 00041 GrReal<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) real (i0[i]); 00051 00052 return output.size; 00053 } 00054 00055 00056 #endif /* _GRREAL_H_ */