FastLinearCMNSubtractor Class Reference

#include <FastLinearCMNSubtractor.h>

Inheritance diagram for FastLinearCMNSubtractor:

Public Member Functions
void	subtract (uint32_t detId, uint16_t firstAPV, std::vector< int16_t > &digis) override
void	subtract (uint32_t detId, uint16_t firstAPV, std::vector< float > &digis) override
Public Member Functions inherited from SiStripCommonModeNoiseSubtractor
const std::vector< std::pair< short, float > > &	getAPVsCM () const
virtual void	init (const edm::EventSetup &es)
virtual	~SiStripCommonModeNoiseSubtractor ()

Private Member Functions
	FastLinearCMNSubtractor ()
template<typename T >
void	subtract_ (uint32_t detId, uint16_t firstAPV, std::vector< T > &digis)

Friends
class	SiStripRawProcessingFactory

Additional Inherited Members
Protected Member Functions inherited from SiStripCommonModeNoiseSubtractor
template<typename T >
float	median (std::vector< T > &)
	SiStripCommonModeNoiseSubtractor ()
Protected Attributes inherited from SiStripCommonModeNoiseSubtractor
std::vector< std::pair< short, float > >	_vmedians

Detailed Description

Definition at line 5 of file FastLinearCMNSubtractor.h.

Constructor & Destructor Documentation

FastLinearCMNSubtractor::FastLinearCMNSubtractor ( )

inlineprivate

Definition at line 17 of file FastLinearCMNSubtractor.h.

{};

Member Function Documentation

void FastLinearCMNSubtractor::subtract ( uint32_t  detId, uint16_t  firstAPV, std::vector< int16_t > &  digis  )

overridevirtual

Implements SiStripCommonModeNoiseSubtractor.

Definition at line 3 of file FastLinearCMNSubtractor.cc.

References subtract_().

{ subtract_(detId, firstAPV, digis);}

void FastLinearCMNSubtractor::subtract ( uint32_t  detId, uint16_t  firstAPV, std::vector< float > &  digis  )

overridevirtual

Implements SiStripCommonModeNoiseSubtractor.

Definition at line 4 of file FastLinearCMNSubtractor.cc.

References subtract_().

{ subtract_(detId, firstAPV, digis);}

template<typename T >

void FastLinearCMNSubtractor::subtract_ ( uint32_t  detId, uint16_t  firstAPV, std::vector< T > &  digis  )

inlineprivate

Definition at line 9 of file FastLinearCMNSubtractor.cc.

References end, SiStripCommonModeNoiseSubtractor::median(), PFRecoTauDiscriminationByIsolation_cfi::offset, slope, digitizers_cfi::strip, and tmp.

Referenced by subtract().

                                                                 {

  std::vector<T> tmp;  tmp.reserve(128);
  typename std::vector<T>::iterator
    strip( digis.begin() ),
    end(   digis.end()   ),
    endAPV, high, low;

  while( strip < end ) {
    endAPV = strip+128; tmp.clear();
    tmp.insert(tmp.end(),strip,endAPV);
    const float offset = median(tmp);

    low = strip;   high = strip+64;   tmp.clear();
    while( high < endAPV) tmp.push_back( *high++ - *low++ );
    const float slope = median(tmp)/64.;

    while (strip < endAPV) {
      *strip = static_cast<T>( *strip - (offset + slope*(65 - (endAPV-strip) ) ) );
      strip++;
    }

  }
}

Friends And Related Function Documentation

friend class SiStripRawProcessingFactory

friend

Definition at line 7 of file FastLinearCMNSubtractor.h.