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GrAdd.h

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00001 /* -*- Mode: c++ -*- */ 00002 /* 00003 * Copyright 2001 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 00024 #ifndef _GRADD_H_ 00025 #define _GRADD_H_ 00026 00027 #include <VrSigProc.h> 00028 00029 template<class iType,class oType> 00030 class GrAdd : public VrSigProc { 00031 public: 00032 virtual const char *name() { return "GrAdd"; } 00033 virtual int work(VrSampleRange output, void *o[], 00034 VrSampleRange inputs[], void *i[]); 00035 virtual void initialize() { 00036 }; 00037 GrAdd(); 00038 }; 00039 00040 template<class iType,class oType> int 00041 GrAdd<iType,oType>::work(VrSampleRange output, void *ao[], 00042 VrSampleRange inputs[], void *ai[]) 00043 { 00044 iType **i = (iType **)ai; 00045 oType **o = (oType **)ao; 00046 int size = output.size; 00047 int ni = getNumberInputs(); 00048 oType temp; 00049 00050 while(size-- > 0) { 00051 { 00052 temp = *i[0]++; 00053 int j=1; 00054 while(j < ni) 00055 temp += *i[j++]++; 00056 *o[0]++ = temp; 00057 } 00058 } 00059 return output.size; 00060 } 00061 00062 template<class iType,class oType> 00063 GrAdd<iType,oType>::GrAdd() 00064 : VrSigProc(1, sizeof(iType), sizeof(oType)) 00065 { 00066 } 00067 #endif

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