UEParameters Class Reference

#include <UEParameters.h>

Public Member Functions
void	get_fourier (double &re, double &im, size_t n, size_t eta, int type=-1) const
double	get_psin (int n, int eta, int type=-1) const
const std::vector< float > &	get_raw (void) const
double	get_sum_pt (int eta, int type=-1) const
double	get_vn (int n, int eta, int type=-1) const
	UEParameters (const std::vector< float > *v, int nn, int neta)
	~UEParameters ()

Private Attributes
int	neta_
int	nn_
boost::const_multi_array_ref < float, 4 > *	parameters_
const std::vector< float > *	v_

Static Private Attributes
static const size_t	nreduced_particle_flow_id = 3

Detailed Description

Definition at line 6 of file UEParameters.h.

Constructor & Destructor Documentation

UEParameters::UEParameters	(	const std::vector< float > *	v,
		int	nn,
		int	neta
	)

Definition at line 4 of file UEParameters.cc.

References nreduced_particle_flow_id, and parameters_.

                                                                      : v_(v), nn_(nn), neta_(neta){
  parameters_ = new boost::const_multi_array_ref<float, 4>(&(*v)[0], boost::extents[neta][nreduced_particle_flow_id][nn][2]);
}

UEParameters::~UEParameters ( )

inline

Definition at line 17 of file UEParameters.h.

References parameters_.

{delete parameters_;}

Member Function Documentation

void UEParameters::get_fourier	(	double &	re,
		double &	im,
		size_t	n,
		size_t	eta,
		int	type = -1
	)		const

Definition at line 8 of file UEParameters.cc.

References eta, i, gen::n, and nreduced_particle_flow_id.

Referenced by get_psin(), get_sum_pt(), and get_vn().

                                                                                           {
  re = 0;
  im = 0;

  if(type < 0){
    for (size_t i = 0; i < nreduced_particle_flow_id; i++) {
      re += (*parameters_)[eta][i][n][0];
      im += (*parameters_)[eta][i][n][1];
    }
  }else{
    re = (*parameters_)[eta][type][n][0];
    im = (*parameters_)[eta][type][n][1];
  }

}

double UEParameters::get_psin	(	int	n,
		int	eta,
		int	type = -1
	)		const

Definition at line 50 of file UEParameters.cc.

References get_fourier(), and gen::n.

                                                            {
  if (n <= 0) {
    return 0;
  }
  
  double re;
  double im;
  
  get_fourier(re, im, n, eta, type);
  
  return atan2(im, re) / n;
}

const std::vector<float>& UEParameters::get_raw ( void  ) const

inline

Definition at line 18 of file UEParameters.h.

References v_.

{return *v_;}

double UEParameters::get_sum_pt	(	int	eta,
		int	type = -1
	)		const

Definition at line 24 of file UEParameters.cc.

References get_fourier().

Referenced by JetTester_HeavyIons::analyze(), and get_vn().

                                                       {
  double re;
  double im;
  
  get_fourier(re, im, 0, eta, type);
  
  // There is no imaginary part
  return re;
}

double UEParameters::get_vn	(	int	n,
		int	eta,
		int	type = -1
	)		const

Definition at line 34 of file UEParameters.cc.

References get_fourier(), get_sum_pt(), and mathSSE::sqrt().

                                                          {
  if (n < 0) {
    return NAN;
  }
  else if (n == 0) {
    return 1;
  }
  
  double re;
  double im;
  
  get_fourier(re, im, n, eta, type);
  
  return sqrt(re * re + im * im) / get_sum_pt(eta, type);
}

Member Data Documentation

int UEParameters::neta_

private

Definition at line 12 of file UEParameters.h.

int UEParameters::nn_

private

Definition at line 11 of file UEParameters.h.

const size_t UEParameters::nreduced_particle_flow_id = 3

staticprivate

Definition at line 9 of file UEParameters.h.

Referenced by get_fourier(), and UEParameters().

boost::const_multi_array_ref<float, 4>* UEParameters::parameters_

private

Definition at line 13 of file UEParameters.h.

Referenced by Mixins._TypedParameterizable::clone(), Types.PSet::clone(), Mixins._TypedParameterizable::copy(), UEParameters(), and ~UEParameters().

const std::vector<float>* UEParameters::v_

private

Definition at line 10 of file UEParameters.h.

Referenced by get_raw().