#include <TAxis.h>
#include <TMath.h>
#include <TDirectory.h>
-#include <TROOT.h>
#include <TTreeStream.h>
#include <TLinearFitter.h>
#include <TVectorD.h>
-#include <TArrayF.h>
+#include <TROOT.h>
#include "AliLog.h"
#include "AliMathBase.h"
const char *name = ph->GetTitle();
if(!SetModeCalibration(name,1)) return kFALSE;
+ //printf("Mode calibration set\n");
+
// Number of Xbins (detectors or groups of pads)
Int_t nbins = ph->GetNbinsX();// time
Int_t nybins = ph->GetNbinsY();// calibration group
if (!InitFit(nybins,1)) {
return kFALSE;
}
+
+ //printf("Init fit\n");
+
if (!InitFitPH()) {
return kFALSE;
}
+
+ //printf("Init fit PH\n");
+
fStatisticMean = 0.0;
fNumberFit = 0;
fNumberFitSuccess = 0;
fNumberEnt = 0;
// Init fCountDet and fCount
InitfCountDetAndfCount(1);
+ //printf("Init Count Det and fCount %d, %d\n",fDect1,fDect2);
+
// Beginning of the loop
for (Int_t idect = fDect1; idect < fDect2; idect++) {
+ //printf("idect = %d\n",idect);
// Determination of fNnZ, fNnRphi, fNfragZ and fNfragRphi.......
UpdatefCountDetAndfCount(idect,1);
ReconstructFitRowMinRowMax(idect,1);
CalculVdriftCoefMean();
CalculT0CoefMean();
//Method choosen
+ //printf("Method\n");
switch(fMethod)
{
case 0: FitLagrangePoly((TH1 *) projph); break;
fCurrentCoef2[0] = (param[0]+fCurrentCoef[1]*fCurrentCoef2[1])/fCurrentCoef[0];
fCurrentCoefE = error[1];
fCurrentCoefE2 = error[0];
- if((fCurrentCoef2[0] != 0.0) && (param[0] != 0.0)){
+ if((TMath::Abs(fCurrentCoef2[0]) > 0.0000001) && (TMath::Abs(param[0]) > 0.0000001)){
fCurrentCoefE2 = (fCurrentCoefE2/param[0]+fCurrentCoefE/fCurrentCoef[0])*fCurrentCoef2[0];
}
return kFALSE;
}
//______________________________________________________________________
+void AliTRDCalibraFit::RemoveOutliers(Int_t type, Bool_t perdetector){
+ //
+ // Remove the results too far from the mean value and rms
+ // type: 0 gain, 1 vdrift
+ // perdetector
+ //
+
+ Int_t loop = (Int_t) fVectorFit.GetEntriesFast();
+ if(loop != 540) {
+ AliInfo("The Vector Fit is not complete!");
+ return;
+ }
+ Int_t detector = -1;
+ Int_t sector = -1;
+ Float_t value = 0.0;
+
+ /////////////////////////////////
+ // Calculate the mean values
+ ////////////////////////////////
+ // Initialisation
+ ////////////////////////
+ Double_t meanAll = 0.0;
+ Double_t rmsAll = 0.0;
+ Int_t countAll = 0;
+ ////////////
+ // compute
+ ////////////
+ for (Int_t k = 0; k < loop; k++) {
+ detector = ((AliTRDFitInfo *) fVectorFit.At(k))->GetDetector();
+ sector = GetSector(detector);
+ if(perdetector){
+ value = ((AliTRDFitInfo *) fVectorFit.At(k))->GetCoef()[0];
+ if(value > 0.0) {
+ rmsAll += value*value;
+ meanAll += value;
+ countAll++;
+ }
+ }
+ else {
+ Int_t rowMax = fGeo->GetRowMax(GetLayer(detector),GetStack(detector),GetSector(detector));
+ Int_t colMax = fGeo->GetColMax(GetLayer(detector));
+ for (Int_t row = 0; row < rowMax; row++) {
+ for (Int_t col = 0; col < colMax; col++) {
+ value = ((AliTRDFitInfo *) fVectorFit.At(k))->GetCoef()[(Int_t)(col*rowMax+row)];
+ if(value > 0.0) {
+ rmsAll += value*value;
+ meanAll += value;
+ countAll++;
+ }
+
+ } // Col
+ } // Row
+ }
+ }
+ if(countAll > 0) {
+ meanAll = meanAll/countAll;
+ rmsAll = TMath::Sqrt(TMath::Abs(rmsAll/countAll - (meanAll*meanAll)));
+ }
+ //printf("RemoveOutliers: meanAll %f and rmsAll %f\n",meanAll,rmsAll);
+ /////////////////////////////////////////////////
+ // Remove outliers
+ ////////////////////////////////////////////////
+ Double_t defaultvalue = -1.0;
+ if(type==1) defaultvalue = -1.5;
+ for (Int_t k = 0; k < loop; k++) {
+ detector = ((AliTRDFitInfo *) fVectorFit.At(k))->GetDetector();
+ sector = GetSector(detector);
+ Int_t rowMax = fGeo->GetRowMax(GetLayer(detector),GetStack(detector),GetSector(detector));
+ Int_t colMax = fGeo->GetColMax(GetLayer(detector));
+ Float_t *coef = ((AliTRDFitInfo *) fVectorFit.At(k))->GetCoef();
+
+ // remove the results too far away
+ for (Int_t row = 0; row < rowMax; row++) {
+ for (Int_t col = 0; col < colMax; col++) {
+ value = coef[(Int_t)(col*rowMax+row)];
+ if((value > 0.0) && (rmsAll > 0.0) && (TMath::Abs(value-meanAll) > (2*rmsAll))) {
+ coef[(Int_t)(col*rowMax+row)] = defaultvalue;
+ }
+ } // Col
+ } // Row
+ }
+}
+//______________________________________________________________________
+void AliTRDCalibraFit::RemoveOutliers2(Bool_t perdetector){
+ //
+ // Remove the results too far from the mean and rms
+ // perdetector
+ //
+
+ Int_t loop = (Int_t) fVectorFit2.GetEntriesFast();
+ if(loop != 540) {
+ AliInfo("The Vector Fit is not complete!");
+ return;
+ }
+ Int_t detector = -1;
+ Int_t sector = -1;
+ Float_t value = 0.0;
+
+ /////////////////////////////////
+ // Calculate the mean values
+ ////////////////////////////////
+ // Initialisation
+ ////////////////////////
+ Double_t meanAll = 0.0;
+ Double_t rmsAll = 0.0;
+ Int_t countAll = 0;
+ /////////////
+ // compute
+ ////////////
+ for (Int_t k = 0; k < loop; k++) {
+ detector = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetDetector();
+ sector = GetSector(detector);
+ if(perdetector){
+ value = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetCoef()[0];
+ if(value < 70.0) {
+ meanAll += value;
+ rmsAll += value*value;
+ countAll++;
+ }
+ }
+ else {
+ Int_t rowMax = fGeo->GetRowMax(GetLayer(detector),GetStack(detector),GetSector(detector));
+ Int_t colMax = fGeo->GetColMax(GetLayer(detector));
+ for (Int_t row = 0; row < rowMax; row++) {
+ for (Int_t col = 0; col < colMax; col++) {
+ value = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetCoef()[(Int_t)(col*rowMax+row)];
+ if(value < 70.0) {
+ rmsAll += value*value;
+ meanAll += value;
+ countAll++;
+ }
+ } // Col
+ } // Row
+ }
+ }
+ if(countAll > 0) {
+ meanAll = meanAll/countAll;
+ rmsAll = TMath::Sqrt(TMath::Abs(rmsAll/countAll - (meanAll*meanAll)));
+ }
+ //printf("Remove outliers 2: meanAll %f, rmsAll %f\n",meanAll,rmsAll);
+ /////////////////////////////////////////////////
+ // Remove outliers
+ ////////////////////////////////////////////////
+ for (Int_t k = 0; k < loop; k++) {
+ detector = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetDetector();
+ sector = GetSector(detector);
+ Int_t rowMax = fGeo->GetRowMax(GetLayer(detector),GetStack(detector),GetSector(detector));
+ Int_t colMax = fGeo->GetColMax(GetLayer(detector));
+ Float_t *coef = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetCoef();
+
+ // remove the results too far away
+ for (Int_t row = 0; row < rowMax; row++) {
+ for (Int_t col = 0; col < colMax; col++) {
+ value = coef[(Int_t)(col*rowMax+row)];
+ if((value < 70.0) && (rmsAll > 0.0) && (TMath::Abs(value-meanAll) > (2.5*rmsAll))) coef[(Int_t)(col*rowMax+row)] = 100.0;
+ } // Col
+ } // Row
+ }
+}
+//______________________________________________________________________
void AliTRDCalibraFit::PutMeanValueOtherVectorFit(Int_t ofwhat, Bool_t perdetector){
//
// ofwhat is equaled to 0: mean value of all passing detectors
Double_t meanAll = 0.0;
Double_t meanSupermodule[18];
Double_t meanDetector[540];
+ Double_t rmsAll = 0.0;
+ Double_t rmsSupermodule[18];
+ Double_t rmsDetector[540];
Int_t countAll = 0;
Int_t countSupermodule[18];
Int_t countDetector[540];
for(Int_t sm = 0; sm < 18; sm++){
+ rmsSupermodule[sm] = 0.0;
meanSupermodule[sm] = 0.0;
countSupermodule[sm] = 0;
}
for(Int_t det = 0; det < 540; det++){
+ rmsDetector[det] = 0.0;
meanDetector[det] = 0.0;
countDetector[det] = 0;
}
+ ////////////
// compute
////////////
for (Int_t k = 0; k < loop; k++) {
if(perdetector){
value = ((AliTRDFitInfo *) fVectorFit.At(k))->GetCoef()[0];
if(value > 0.0) {
+ rmsDetector[detector] += value*value;
meanDetector[detector] += value;
countDetector[detector]++;
+ rmsSupermodule[sector] += value*value;
meanSupermodule[sector] += value;
countSupermodule[sector]++;
+ rmsAll += value*value;
meanAll += value;
countAll++;
}
for (Int_t col = 0; col < colMax; col++) {
value = ((AliTRDFitInfo *) fVectorFit.At(k))->GetCoef()[(Int_t)(col*rowMax+row)];
if(value > 0.0) {
+ rmsDetector[detector] += value*value;
meanDetector[detector] += value;
countDetector[detector]++;
+ rmsSupermodule[sector] += value*value;
meanSupermodule[sector] += value;
countSupermodule[sector]++;
+ rmsAll += value*value;
meanAll += value;
countAll++;
}
} // Row
}
}
- if(countAll > 0) meanAll = meanAll/countAll;
+ if(countAll > 0) {
+ meanAll = meanAll/countAll;
+ rmsAll = TMath::Abs(rmsAll/countAll - (meanAll*meanAll));
+ }
for(Int_t sm = 0; sm < 18; sm++){
- if(countSupermodule[sm] > 0) meanSupermodule[sm] = meanSupermodule[sm]/countSupermodule[sm];
+ if(countSupermodule[sm] > 0) {
+ meanSupermodule[sm] = meanSupermodule[sm]/countSupermodule[sm];
+ rmsSupermodule[sm] = TMath::Abs(rmsSupermodule[sm]/countSupermodule[sm] - (meanSupermodule[sm]*meanSupermodule[sm]));
+ }
}
for(Int_t det = 0; det < 540; det++){
- if(countDetector[det] > 0) meanDetector[det] = meanDetector[det]/countDetector[det];
+ if(countDetector[det] > 0) {
+ meanDetector[det] = meanDetector[det]/countDetector[det];
+ rmsDetector[det] = TMath::Abs(rmsDetector[det]/countDetector[det] - (meanDetector[det]*meanDetector[det]));
+ }
}
+ //printf("Put mean value, meanAll %f, rmsAll %f\n",meanAll,rmsAll);
+ ///////////////////////////////////////////////
// Put the mean value for the no-fitted
/////////////////////////////////////////////
for (Int_t k = 0; k < loop; k++) {
for (Int_t col = 0; col < colMax; col++) {
value = coef[(Int_t)(col*rowMax+row)];
if(value < 0.0) {
- if((ofwhat == 0) && (meanAll > 0.0)) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanAll);
+ if((ofwhat == 0) && (meanAll > 0.0) && (countAll > 15)) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanAll);
if(ofwhat == 1){
- if(meanDetector[detector] > 0.0) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanDetector[detector]);
- else if(meanSupermodule[sector] > 0.0) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanSupermodule[sector]);
- else if(meanAll > 0.0) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanAll);
+ if((meanDetector[detector] > 0.0) && (countDetector[detector] > 20)) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanDetector[detector]);
+ else if((meanSupermodule[sector] > 0.0) && (countSupermodule[sector] > 15)) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanSupermodule[sector]);
+ else if((meanAll > 0.0) && (countAll > 15)) coef[(Int_t)(col*rowMax+row)] = -TMath::Abs(meanAll);
}
}
// Debug
} // Col
} // Row
}
-
}
//______________________________________________________________________
void AliTRDCalibraFit::PutMeanValueOtherVectorFit2(Int_t ofwhat, Bool_t perdetector){
// Initialisation
////////////////////////
Double_t meanAll = 0.0;
+ Double_t rmsAll = 0.0;
Double_t meanSupermodule[18];
+ Double_t rmsSupermodule[18];
Double_t meanDetector[540];
+ Double_t rmsDetector[540];
Int_t countAll = 0;
Int_t countSupermodule[18];
Int_t countDetector[540];
for(Int_t sm = 0; sm < 18; sm++){
+ rmsSupermodule[sm] = 0.0;
meanSupermodule[sm] = 0.0;
countSupermodule[sm] = 0;
}
for(Int_t det = 0; det < 540; det++){
+ rmsDetector[det] = 0.0;
meanDetector[det] = 0.0;
countDetector[det] = 0;
}
if(perdetector){
value = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetCoef()[0];
if(value < 70.0) {
+ rmsDetector[detector] += value*value;
meanDetector[detector] += value;
countDetector[detector]++;
+ rmsSupermodule[sector] += value*value;
meanSupermodule[sector] += value;
countSupermodule[sector]++;
meanAll += value;
+ rmsAll += value*value;
countAll++;
}
}
for (Int_t col = 0; col < colMax; col++) {
value = ((AliTRDFitInfo *) fVectorFit2.At(k))->GetCoef()[(Int_t)(col*rowMax+row)];
if(value < 70.0) {
+ rmsDetector[detector] += value*value;
meanDetector[detector] += value;
countDetector[detector]++;
+ rmsSupermodule[sector] += value*value;
meanSupermodule[sector] += value;
countSupermodule[sector]++;
+ rmsAll += value*value;
meanAll += value;
countAll++;
}
} // Row
}
}
- if(countAll > 0) meanAll = meanAll/countAll;
+ if(countAll > 0) {
+ meanAll = meanAll/countAll;
+ rmsAll = TMath::Abs(rmsAll/countAll - (meanAll*meanAll));
+ }
for(Int_t sm = 0; sm < 18; sm++){
- if(countSupermodule[sm] > 0) meanSupermodule[sm] = meanSupermodule[sm]/countSupermodule[sm];
+ if(countSupermodule[sm] > 0) {
+ meanSupermodule[sm] = meanSupermodule[sm]/countSupermodule[sm];
+ rmsSupermodule[sm] = TMath::Abs(rmsSupermodule[sm]/countSupermodule[sm] - (meanSupermodule[sm]*meanSupermodule[sm]));
+ }
}
for(Int_t det = 0; det < 540; det++){
- if(countDetector[det] > 0) meanDetector[det] = meanDetector[det]/countDetector[det];
+ if(countDetector[det] > 0) {
+ meanDetector[det] = meanDetector[det]/countDetector[det];
+ rmsDetector[det] = TMath::Abs(rmsDetector[det]/countDetector[det] - (meanDetector[det]*meanDetector[det]));
+ }
}
+ //printf("Put mean value 2: meanAll %f, rmsAll %f\n",meanAll,rmsAll);
+ ////////////////////////////////////////////
// Put the mean value for the no-fitted
/////////////////////////////////////////////
for (Int_t k = 0; k < loop; k++) {
for (Int_t col = 0; col < colMax; col++) {
value = coef[(Int_t)(col*rowMax+row)];
if(value > 70.0) {
- if((ofwhat == 0) && (meanAll > 0.0)) coef[(Int_t)(col*rowMax+row)] = meanAll+100.0;
+ if((ofwhat == 0) && (meanAll > -1.5) && (countAll > 15)) coef[(Int_t)(col*rowMax+row)] = meanAll+100.0;
if(ofwhat == 1){
- if(meanDetector[detector] > 0.0) coef[(Int_t)(col*rowMax+row)] = meanDetector[detector]+100.0;
- else if(meanSupermodule[sector] > 0.0) coef[(Int_t)(col*rowMax+row)] = meanSupermodule[sector]+100.0;
- else if(meanAll > 0.0) coef[(Int_t)(col*rowMax+row)] = meanAll+100.0;
+ if((meanDetector[detector] > -1.5) && (countDetector[detector] > 20)) coef[(Int_t)(col*rowMax+row)] = meanDetector[detector]+100.0;
+ else if((meanSupermodule[sector] > -1.5) && (countSupermodule[sector] > 15)) coef[(Int_t)(col*rowMax+row)] = meanSupermodule[sector]+100.0;
+ else if((meanAll > -1.5) && (countAll > 15)) coef[(Int_t)(col*rowMax+row)] = meanAll+100.0;
}
}
// Debug
detector = ((AliTRDFitInfo *) vectorFit->At(k))->GetDetector();
AliTRDCalROC *calROC = object->GetCalROC(detector);
Float_t mean = detobject->GetValue(detector);
- if(mean == 0) continue;
+ if(TMath::Abs(mean) <= 0.0000000001) continue;
Int_t rowMax = calROC->GetNrows();
Int_t colMax = calROC->GetNcols();
for (Int_t row = 0; row < rowMax; row++) {
if(fDebugLevel == 1) {
fCountDet = 0;
fCalibraMode->CalculXBins(fCountDet,i);
- while(fCalibraMode->GetXbins(i) <=fFitVoir){
+ if((fCalibraMode->GetNz(i)!=100) && (fCalibraMode->GetNrphi(i)!=100)){
+ while(fCalibraMode->GetXbins(i) <=fFitVoir){
+ fCountDet++;
+ fCalibraMode->CalculXBins(fCountDet,i);
+ //printf("GetXBins %d\n",fCalibraMode->GetXbins(i));
+ }
+ }
+ else {
fCountDet++;
- fCalibraMode->CalculXBins(fCountDet,i);
- }
+ }
fCount = fCalibraMode->GetXbins(i);
fCountDet--;
// Determination of fNnZ, fNnRphi, fNfragZ and fNfragRphi
Float_t l3P2am = pentea->GetFunction("pol2")->GetParameter(2);
Float_t l3P1amE = pentea->GetFunction("pol2")->GetParError(1);
Float_t l3P2amE = pentea->GetFunction("pol2")->GetParError(2);
- if (l3P2am != 0) {
+ if (TMath::Abs(l3P2am) > 0.00000001) {
fPhd[0] = -(l3P1am / (2 * l3P2am));
}
if(!fTakeTheMaxPH){
- if((l3P1am != 0.0) && (l3P2am != 0.0)){
+ if((TMath::Abs(l3P1am) > 0.0000000001) && (TMath::Abs(l3P2am) > 0.00000000001)){
fCurrentCoefE2 = (l3P1amE/l3P1am + l3P2amE/l3P2am)*fPhd[0];
}
}
Float_t l3P2amf = projPH->GetFunction("pol2")->GetParameter(2);
Float_t l3P1amfE = projPH->GetFunction("pol2")->GetParError(1);
Float_t l3P2amfE = projPH->GetFunction("pol2")->GetParError(2);
- if (l3P2amf != 0) {
+ if (TMath::Abs(l3P2amf) > 0.00000000001) {
fPhd[1] = -(l3P1amf / (2 * l3P2amf));
}
- if((l3P1amf != 0.0) && (l3P2amf != 0.0)){
+ if((TMath::Abs(l3P1amf) > 0.0000000001) && (TMath::Abs(l3P2amf) > 0.000000001)){
fCurrentCoefE = (l3P1amfE/l3P1amf + l3P2amfE/l3P2amf)*fPhd[1];
}
if(fTakeTheMaxPH){
Float_t l3P2dr = pente->GetFunction("pol2")->GetParameter(2);
Float_t l3P1drE = pente->GetFunction("pol2")->GetParError(1);
Float_t l3P2drE = pente->GetFunction("pol2")->GetParError(2);
- if (l3P2dr != 0) {
+ if (TMath::Abs(l3P2dr) > 0.00000001) {
fPhd[2] = -(l3P1dr / (2 * l3P2dr));
}
- if((l3P1dr != 0.0) && (l3P2dr != 0.0)){
+ if((TMath::Abs(l3P1dr) > 0.0000000001) && (TMath::Abs(l3P2dr) > 0.00000000001)){
fCurrentCoefE += (l3P1drE/l3P1dr + l3P2drE/l3P2dr)*fPhd[2];
}
Float_t fPhdt0 = 0.0;
//
// Slope methode but with polynomes de Lagrange
//
-
+
// Constants
const Float_t kDrWidth = AliTRDgeometry::DrThick();
Int_t binmax = 0;
AliInfo("Too many fluctuations at the end!");
put = kFALSE;
}
- if(pente->GetBinContent(binmin+1)==0){
+ if(TMath::Abs(pente->GetBinContent(binmin+1)) <= 0.0000000000001){
AliInfo("No entries for the next bin!");
pente->SetBinContent(binmin,0);
if(pente->GetEntries() > 0) binmin = (Int_t) pente->GetMinimumBin();
(fPhd[1] > fPhd[0]) &&
(put)) {
fCurrentCoef[0] = (kDrWidth) / (fPhd[2]-fPhd[1]);
- fNumberFitSuccess++;
+ if(fCurrentCoef[0] > 2.5) fCurrentCoef[0] = -TMath::Abs(fCurrentCoef[1]);
+ else fNumberFitSuccess++;
if (fPhdt0 >= 0.0) {
fCurrentCoef2[0] = (fPhdt0 - t0Shift) / widbins;
if (fCurrentCoef2[0] < -1.0) {
}
}
else {
+ //printf("Put default %f\n",-TMath::Abs(fCurrentCoef[1]));
+ fCurrentCoef[0] = -TMath::Abs(fCurrentCoef[1]);
+
if((fPhd[1] > fPhd[0]) &&
(put)) {
if (fPhdt0 >= 0.0) {
}
}
else{
- fCurrentCoef[0] = -TMath::Abs(fCurrentCoef[1]);
fCurrentCoef2[0] = fCurrentCoef2[1] + 100.0;
//printf("Fit failed!\n");
}
Double_t ret = FitGausMI(arraye, arraym, arrayme, nBins, xMin, xMax,¶m);
- if(ret == -4){
+ if(TMath::Abs(ret+4) <= 0.000000001){
fCurrentCoef[0] = -fCurrentCoef[1];
return kFALSE;
}
if((valueI - arrayme[ibin]) > 0.0) errorn = TMath::Log((valueI - arrayme[ibin])/valueI);
error = TMath::Max(TMath::Abs(errorm),TMath::Abs(errorn));
}
- if(error == 0.0) continue;
+ if(TMath::Abs(error) < 0.000000001) continue;
val = TMath::Log(Float_t(valueI));
fitter.AddPoint(&xcenter,val,error);
npoints++;
if (!param) param = new TVectorD(3);
- if(par[2] == 0.0) return -4.0;
+ if(TMath::Abs(par[2]) <= 0.000000001) return -4.0;
Double_t x = TMath::Sqrt(TMath::Abs(-2*par[2]));
Double_t deltax = (fitter.GetParError(2))/x;
Double_t errorparam2 = TMath::Abs(deltax)/(x*x);
Double_t ermin0 = 0.0;
//Double_t prfe0 = 0.0;
Double_t prf0 = 0.0;
- if((pars0[2] > 0.0) && (pars0[1] != 0.0)) {
+ if((pars0[2] > 0.000000000001) && (TMath::Abs(pars0[1]) >= 0.000000000001)) {
min0 = -pars0[1]/(2*pars0[2]);
ermin0 = TMath::Abs(min0*(errorsx0/pars0[2]+linearfitter.GetParError(1)*pointError0/pars0[1]));
prf0 = pars0[0]+pars0[1]*min0+pars0[2]*min0*min0;
Double_t sigma2 = par2save*par2save;
Double_t sqrt2 = TMath::Sqrt(2.0);
Double_t exp1 = par3save * TMath::Exp(-par3save * (dx - 0.5 * par3save * sigma2))
- * (1.0 - TMath::Erf((par3save * sigma2 - dx) / (sqrt2 * par2save)));
+ * (1.0 - AliMathBase::ErfFast((par3save * sigma2 - dx) / (sqrt2 * par2save)));
Double_t exp2 = par5save * TMath::Exp(-par5save * (dx - 0.5 * par5save * sigma2))
- * (1.0 - TMath::Erf((par5save * sigma2 - dx) / (sqrt2 * par2save)));
+ * (1.0 - AliMathBase::ErfFast((par5save * sigma2 - dx) / (sqrt2 * par2save)));
//return par[0]*(exp1+par[4]*exp2);
return par[0] * (exp1 + 1.00124 * exp2);