LArPedestal Class Reference

#include <LArPedestal.h>

Collaboration diagram for LArPedestal:

Public Member Functions
	LArPedestal ()
	~LArPedestal ()
void	zero ()
void	set_min (const short min)
void	set_max (const short max)
int	get_nentries () const
double	get_sum () const
double	get_sum (const unsigned isample) const
double	get_mean () const
double	get_mean (const unsigned isample) const
double	get_mean (const unsigned isample_min, const unsigned isample_max) const
double	get_rms () const
double	get_rms (const unsigned isample) const
double	get_rms (const unsigned isample_min, const unsigned isample_max) const
unsigned	get_nsamples () const
const short &	get_min () const
const short &	get_max () const
void	add (const std::vector< short > &samples)
	LArPedestal ()
	~LArPedestal ()
void	zero ()
void	set_min (const short min)
void	set_max (const short max)
int	get_nentries () const
double	get_sum () const
double	get_sum (const unsigned isample) const
double	get_mean () const
double	get_mean (const unsigned isample) const
double	get_mean (const unsigned isample_min, const unsigned isample_max) const
double	get_rms () const
double	get_rms (const unsigned isample) const
double	get_rms (const unsigned isample_min, const unsigned isample_max) const
unsigned	get_nsamples () const
const short &	get_min () const
const short &	get_max () const
void	add (const std::vector< short > &samples)

Private Attributes
short	m_min
short	m_max
std::vector< uint32_t >	m_sum
std::vector< uint64_t >	m_sumSquares
uint32_t	m_nped

Detailed Description

Definition at line 26 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

Constructor & Destructor Documentation

LArPedestal() [1/2]

LArPedestal::LArPedestal

(

)

Definition at line 23 of file LArCalibUtils/src/LArPedestal.cxx.

{
  m_min  = -1;
  m_max  = -1;
  m_nped = 0;
}

~LArPedestal() [1/2]

LArPedestal::~LArPedestal ( )

default

LArPedestal() [2/2]

LArPedestal::LArPedestal

(

)

~LArPedestal() [2/2]

LArPedestal::~LArPedestal

(

)

Member Function Documentation

add() [1/2]

void LArPedestal::add

(

const std::vector< short > &

samples

)

Definition at line 170 of file LArCalibUtils/src/LArPedestal.cxx.

{
  const size_t nsamples = samples.size();
 
  if(m_sum.size()<nsamples) {
    m_sum.resize(nsamples);
    m_sumSquares.resize(nsamples);
  }
 
  for(size_t i=0; i<nsamples; i++) {
    m_sum[i] += samples[i];
    m_sumSquares[i] += (samples[i]*samples[i]);
  }
  m_nped++;
}

add() [2/2]

void LArPedestal::add

(

const std::vector< short > &

samples

)

get_max() [1/2]

const short & LArPedestal::get_max ( ) const

inline

Definition at line 81 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

{ return m_max; }

get_max() [2/2]

const short & LArPedestal::get_max ( ) const

inline

Definition at line 83 of file LArRawEvent/LArRawEvent/LArPedestal.h.

{ return m_max; }

get_mean() [1/6]

double LArPedestal::get_mean

(

)

const

Definition at line 102 of file LArCalibUtils/src/LArPedestal.cxx.

{ 
  const int nsamples = m_sum.size();
  if (nsamples==0 || m_nped==0) return 0;
  uint32_t imean = 0;
  for(int i=0; i<nsamples; i++)
    imean += m_sum[i];
 
  return double(imean)/(nsamples*m_nped);
 
 
}

get_mean() [2/6]

double LArPedestal::get_mean

(

)

const

get_mean() [3/6]

double LArPedestal::get_mean

(

const unsigned

isample

)

const

Definition at line 89 of file LArCalibUtils/src/LArPedestal.cxx.

{
  if (isample>=m_sum.size() || m_nped==0)
    return 0;
  double mean = 0;
  mean = m_sum[isample];
  mean /= ((double) m_nped);
 
  return mean;
}

get_mean() [4/6]

double LArPedestal::get_mean

(

const unsigned

isample

)

const

get_mean() [5/6]

double LArPedestal::get_mean	(	const unsigned	isample_min,
		const unsigned	isample_max ) const

Definition at line 73 of file LArCalibUtils/src/LArPedestal.cxx.

{
  unsigned imin=0;
  unsigned imax=m_sum.size()-1;
 
  if (isample_min > 0 && isample_min < m_sum.size()) imin=isample_min;
  if (isample_max > 0 && isample_max < m_sum.size()) imax=isample_max;
  double mean = 0;
  for(unsigned int i=0; i<=imax; ++i) mean += m_sum[i];
  mean /= ((imax-imin+1)*(double) m_nped);
 
  return mean;
}

get_mean() [6/6]

double LArPedestal::get_mean	(	const unsigned	isample_min,
		const unsigned	isample_max ) const

get_min() [1/2]

const short & LArPedestal::get_min ( ) const

inline

Definition at line 78 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

{ return m_min; }

get_min() [2/2]

const short & LArPedestal::get_min ( ) const

inline

Definition at line 80 of file LArRawEvent/LArRawEvent/LArPedestal.h.

{ return m_min; }

get_nentries() [1/2]

int LArPedestal::get_nentries ( ) const

inline

Definition at line 58 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

{ return m_nped; }

get_nentries() [2/2]

int LArPedestal::get_nentries ( ) const

inline

Definition at line 58 of file LArRawEvent/LArRawEvent/LArPedestal.h.

{ return m_nped; }

get_nsamples() [1/2]

unsigned LArPedestal::get_nsamples ( ) const

inline

Definition at line 75 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

{ return m_sum.size();}

get_nsamples() [2/2]

unsigned LArPedestal::get_nsamples ( ) const

inline

Definition at line 77 of file LArRawEvent/LArRawEvent/LArPedestal.h.

{ return m_sum.size();}

get_rms() [1/6]

double LArPedestal::get_rms

(

)

const

Definition at line 151 of file LArCalibUtils/src/LArPedestal.cxx.

{
  const int nsamples = m_sum.size();
  if (nsamples==0 || m_nped==0) return 0;
  uint64_t x=0, y=0;
  for(int i=0; i<nsamples; i++) {
    x+=m_sum[i];
    y+=m_sumSquares[i];
  }
  
  const double mean=double(x)/(nsamples*m_nped);
  const double ss=double(y)/(nsamples*m_nped);
  return sqrt(ss-mean*mean);
  //double noise=y-x*x
  //return sqrt(noise/(m_nped*m_nped*nsamples*nsamples));
}

get_rms() [2/6]

double LArPedestal::get_rms

(

)

const

get_rms() [3/6]

double LArPedestal::get_rms

(

const unsigned

isample

)

const

Definition at line 139 of file LArCalibUtils/src/LArPedestal.cxx.

{
  if (isample>=m_sum.size() || m_nped==0)
    return 0;
  //const int nsamples = m_sum.size();
  const double x = m_sum[isample]/double(m_nped);
  const double y = m_sumSquares[isample]/double(m_nped);
  return sqrt(y-x*x);
}

get_rms() [4/6]

double LArPedestal::get_rms

(

const unsigned

isample

)

const

get_rms() [5/6]

double LArPedestal::get_rms	(	const unsigned	isample_min,
		const unsigned	isample_max ) const

Definition at line 117 of file LArCalibUtils/src/LArPedestal.cxx.

{
  unsigned imin=0;
  unsigned imax=m_sum.size()-1;
 
  if (isample_min > 0 && isample_min < m_sum.size()) imin=isample_min;
  if (isample_max > 0 && isample_max < m_sum.size()) imax=isample_max;
  //const int nsamples = m_sum.size();
  uint64_t x=0, y=0;
  for(unsigned int i=imin; i<=imax; i++) {
    x+=m_sum[i];
    y+=m_sumSquares[i];
  }
  
  const double mean=double(x)/((imax-imin+1)*m_nped);
  const double ss=double(y)/((imax-imin+1)*m_nped);
  return sqrt(ss-mean*mean);
}

get_rms() [6/6]

double LArPedestal::get_rms	(	const unsigned	isample_min,
		const unsigned	isample_max ) const

get_sum() [1/4]

double LArPedestal::get_sum

(

)

const

Definition at line 61 of file LArCalibUtils/src/LArPedestal.cxx.

{
  double sum = 0;
  int nsamples = m_sum.size();
  for(int i=0; i<nsamples; i++)
    sum += m_sum[i];
 
  return sum;
}

get_sum() [2/4]

double LArPedestal::get_sum

(

)

const

get_sum() [3/4]

double LArPedestal::get_sum

(

const unsigned

isample

)

const

Definition at line 51 of file LArCalibUtils/src/LArPedestal.cxx.

{
  if (isample>=m_sum.size())
    return 0;
 
  return  m_sum[isample];
}

get_sum() [4/4]

double LArPedestal::get_sum

(

const unsigned

isample

)

const

set_max() [1/2]

void LArPedestal::set_max

(

const short

max

)

Definition at line 44 of file LArCalibUtils/src/LArPedestal.cxx.

{
  m_max = max;
}

set_max() [2/2]

void LArPedestal::set_max

(

const short

max

)

set_min() [1/2]

void LArPedestal::set_min

(

const short

min

)

Definition at line 37 of file LArCalibUtils/src/LArPedestal.cxx.

{
  m_min = min;
}

set_min() [2/2]

void LArPedestal::set_min

(

const short

min

)

zero() [1/2]

void LArPedestal::zero

(

)

Definition at line 188 of file LArCalibUtils/src/LArPedestal.cxx.

{
  const int nsamples = m_sum.size();
  for(int l=0; l<nsamples; l++) {
    m_sumSquares[l] = 0;
    m_sum[l]=0;
  }
  m_nped=0;
}

zero() [2/2]

void LArPedestal::zero

(

)

Member Data Documentation

m_max

short LArPedestal::m_max

private

Definition at line 33 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

m_min

short LArPedestal::m_min

private

Definition at line 31 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

m_nped

uint32_t LArPedestal::m_nped

private

Definition at line 39 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

m_sum

std::vector< uint32_t > LArPedestal::m_sum

private

Definition at line 35 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

m_sumSquares

std::vector< uint64_t > LArPedestal::m_sumSquares

private

Definition at line 37 of file LArCalibUtils/LArCalibUtils/LArPedestal.h.

---

The documentation for this class was generated from the following files:

• LArCalibUtils/LArCalibUtils/LArPedestal.h
• LArRawEvent/LArRawEvent/LArPedestal.h
• LArCalibUtils/src/LArPedestal.cxx
• LArRawEvent/src/LArPedestal.cxx