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00024 #ifndef _GRZOH_H_
00025 #define _GRZOH_H_
00026
00027 #include <VrSigProc.h>
00028 #include <gr_complex.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