CMS 3D CMS Logo

 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages
Classes | Functions
ESTimingTask.h File Reference
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "CondFormats/ESObjects/interface/ESGain.h"
#include "TF1.h"
#include "TH1F.h"

Go to the source code of this file.

Classes

class  ESTimingTask
 

Functions

double fitf (double *x, double *par)
 

Function Documentation

double fitf ( double *  x,
double *  par 
)

Definition at line 30 of file ESTimingTask.cc.

References n, funct::pow(), and v.

Referenced by ESRecHitFitAlgo::ESRecHitFitAlgo(), and ESTimingTask::ESTimingTask().

30  {
31 
32  double wc = par[2];
33  double n = par[3]; // n-1 (in fact)
34  double v1 = pow(wc/n*(x[0]-par[1]), n);
35  double v2 = TMath::Exp(n-wc*(x[0]-par[1]));
36  double v = par[0]*v1*v2;
37 
38  if (x[0] < par[1]) v = 0;
39 
40  return v;
41 }
Definition: DDAxes.h:10
mathSSE::Vec4< T > v
Power< A, B >::type pow(const A &a, const B &b)
Definition: Power.h:40