#include "TObject.h"
#include "TVectorD.h"
#include "TMatrixD.h"
+#include "TGraph2D.h"
+#include "TGraph.h"
class TH1F;
+class TH3;
+
class AliMathBase : public TObject
{
static void EvaluateUni(Int_t nvectors, Double_t *data, Double_t &mean, Double_t &sigma, Int_t hh);
static void EvaluateUniExternal(Int_t nvectors, Double_t *data, Double_t &mean, Double_t &sigma, Int_t hh, Float_t externalfactor=1);
static Int_t Freq(Int_t n, const Int_t *inlist, Int_t *outlist, Bool_t down);
- static void TruncatedMean(TH1F * his, TVectorD *param, Float_t down=0, Float_t up=1.0, Bool_t verbose=kFALSE);
+ static void TruncatedMean(TH1F * his, TVectorD *param, Float_t down=0, Float_t up=1.0, Bool_t verbose=kFALSE);
static void LTM(TH1F * his, TVectorD *param=0 , Float_t fraction=1, Bool_t verbose=kFALSE);
static Double_t FitGaus(TH1F* his, TVectorD *param=0, TMatrixD *matrix=0, Float_t xmin=0, Float_t xmax=0, Bool_t verbose=kFALSE);
static Double_t FitGaus(Float_t *arr, Int_t nBins, Float_t xMin, Float_t xMax, TVectorD *param=0, TMatrixD *matrix=0, Bool_t verbose=kFALSE);
static Float_t GetCOG(Short_t *arr, Int_t nBins, Float_t xMin, Float_t xMax, Float_t *rms=0, Float_t *sum=0);
+ static Double_t TruncatedGaus(Double_t mean, Double_t sigma, Double_t cutat);
+ static Double_t TruncatedGaus(Double_t mean, Double_t sigma, Double_t leftCut, Double_t rightCut);
+
+ static TGraph2D * MakeStat2D(TH3 * his, Int_t delta0, Int_t delta1, Int_t type);
+ static TGraph * MakeStat1D(TH3 * his, Int_t delta1, Int_t type);
+
+ static Double_t ErfcFast(Double_t x); // Complementary error function erfc(x)
+ static Double_t ErfFast(Double_t x) {return 1-ErfcFast(x);} // Error function erf(x)
+
//
// TestFunctions:
//
static void TestGausFit(Int_t nhistos=5000);
+
+ //
+ // Bethe-Bloch formula parameterizations
+ //
+ static Double_t BetheBlochAleph(Double_t bg,
+ Double_t kp1=0.76176e-1,
+ Double_t kp2=10.632,
+ Double_t kp3=0.13279e-4,
+ Double_t kp4=1.8631,
+ Double_t kp5=1.9479
+ );
ClassDef(AliMathBase,0) // Various mathematical tools for physics analysis - which are not included in ROOT TMath