JResultPDF.cc File Reference

Example program to test interpolations for PDF. More...

#include <string>
#include <iostream>
#include <iomanip>
#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "TMath.h"
#include "TString.h"
#include "JTools/JFunction1D_t.hh"
#include "JTools/JQuadrature.hh"
#include "JTools/JGrid.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Functions
int	main (int argc, char **argv)

Variables
int	numberOfPoints
bool	quadrature
int	debug
	debug level More...

Detailed Description

Example program to test interpolations for PDF.

Author

mdejong

Definition in file JResultPDF.cc.

Function Documentation

int main	(	int	argc,
		char **	argv
	)

Definition at line 119 of file JResultPDF.cc.

{
  using namespace std;
  using namespace JPP;

  string  outputFile;
  
  try {
    
    JParser<> zap("Example program to test interpolations for PDF.");
    
    zap['o'] = make_field(outputFile);
    zap['N'] = make_field(numberOfPoints) = 15;
    zap['Q'] = make_field(quadrature);
    zap['d'] = make_field(debug)          = 3;
    
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }  

  
  TFile out(outputFile.c_str(), "recreate");

  const int    nx   = 1000;
  const double xmin = -3.5;
  const double xmax = +3.5;

  TH1D f0(TString("f0[") + "true" + "]", NULL, nx,  xmin, xmax);
  TH1D g0(TString("g0[") + "true" + "]", NULL, nx,  xmin, xmax);
  TH1D G0(TString("G0[") + "true" + "]", NULL, nx,  xmin, xmax);

  for (int i = 1; i <= f0.GetNbinsX(); ++i) {
      
    const Double_t x = f0.GetBinCenter(i);
    
    f0.SetBinContent(i, f1(x));
    g0.SetBinContent(i, g1(x));
    G0.SetBinContent(i, G1(x));
  }
  
  {
    const int N = 4;
    
    typedef JPolintFunction1D<N, JPolintElement2S<double, double>, JCollection, JResultPDF<double> >   JFunction1D_t;

    test<JFunction1D_t>("Polint");
  }

  {
    typedef JSplineFunction1S_t JFunction1D_t;
    
    test<JFunction1D_t>("Spline");
  }

  out.Write();
  out.Close();
}

Variable Documentation

int numberOfPoints

Definition at line 22 of file JResultPDF.cc.

bool quadrature

Definition at line 23 of file JResultPDF.cc.

int debug

debug level

Definition at line 24 of file JResultPDF.cc.