Main Page | Namespace List | Class Hierarchy | Class List | File List | Namespace Members | Class Members | File Members | Related Pages

GrZOH.h

Go to the documentation of this file.
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 _GRZOH_H_ 00025 #define _GRZOH_H_ 00026 00027 #include <VrSigProc.h> 00028 #include <VrComplex.h> 00029 #include <VrInterpolatingSigProc.h> 00030 00031 template<class iType,class oType> 00032 class GrZOH : public VrInterpolatingSigProc<iType,oType> { 00033 public: 00034 virtual const char *name() { return "GrZOH"; } 00035 virtual int work(VrSampleRange output, void *o[], 00036 VrSampleRange inputs[], void *i[]); 00037 GrZOH(int interp_factor): 00038 VrInterpolatingSigProc<iType,oType>(1,interp_factor){} 00039 }; 00040 00041 template<class iType,class oType> int 00042 GrZOH<iType,oType>::work(VrSampleRange output, void *ao[], 00043 VrSampleRange inputs[], void *ai[]) 00044 { 00045 iType **i = (iType **)ai; 00046 oType **o = (oType **)ao; 00047 int size = output.size; 00048 iType input_symbol; 00049 00050 for (int insamp = 0; insamp < size/interp; insamp++){ 00051 input_symbol = i[0][insamp]; 00052 for (int outsamp = 0; outsamp < interp; outsamp++){ 00053 *o[0]++ = input_symbol; 00054 } 00055 } 00056 return output.size; 00057 } 00058 00059 #endif

Generated on Wed Aug 4 02:22:04 2004 for GNU Radio by doxygen 1.3.8