Go to the documentation of this file.00001 #include "RecoLocalTracker/SiStripZeroSuppression/interface/PercentileCMNSubtractor.h"
00002
00003 void PercentileCMNSubtractor::subtract(const uint32_t& detId, const uint16_t& firstAPV, std::vector<int16_t>& digis) {subtract_(detId, firstAPV, digis);}
00004 void PercentileCMNSubtractor::subtract(const uint32_t& detId, const uint16_t& firstAPV, std::vector<float>& digis) {subtract_(detId,firstAPV, digis);}
00005
00006 template<typename T>
00007 inline
00008 void PercentileCMNSubtractor::
00009 subtract_(const uint32_t& detId,const uint16_t& firstAPV, std::vector<T>& digis){
00010
00011 std::vector<T> tmp; tmp.reserve(128);
00012 typename std::vector<T>::iterator
00013 strip( digis.begin() ),
00014 end( digis.end() ),
00015 endAPV;
00016
00017 _vmedians.clear();
00018
00019 while( strip < end ) {
00020 endAPV = strip+128; tmp.clear();
00021 tmp.insert(tmp.end(),strip,endAPV);
00022 const float offset = percentile(tmp,percentile_);
00023
00024 _vmedians.push_back(std::pair<short,float>((strip-digis.begin())/128+firstAPV,offset));
00025
00026 while (strip < endAPV) {
00027 *strip = static_cast<T>(*strip-offset);
00028 strip++;
00029 }
00030
00031 }
00032 }
00033
00034
00035 template<typename T>
00036 inline
00037 float PercentileCMNSubtractor::
00038 percentile( std::vector<T>& sample, double pct) {
00039 typename std::vector<T>::iterator mid = sample.begin() + int(sample.size()*pct/100.0);
00040 std::nth_element(sample.begin(), mid, sample.end());
00041 return *mid;
00042 }
00043
1.7.3