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util.cc
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util.cc
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#include <iostream>
#include <fstream>
#include <iomanip>
#include <sstream>
#include <unistd.h>
#include "util.hh"
#include "TMath.h"
#include "TColor.h"
#include "TStyle.h"
#include "TCanvas.h"
#include "TLatex.h"
#include "TString.h"
#include "TH1.h"
#include "TH2.h"
#include <TRegexp.h>
#include <TList.h>
#include <TROOT.h>
#include "TKey.h"
#include "TSystem.h"
#include "dataset.hh"
using namespace std;
// ----------------------------------------------------------------------
void setMaximum(double scale, TH1 *h1, TH1 *h2) {
double m(-99.), m1(-99.), m2(-99.);
if (0 != h1) m1 = h1->GetMaximum();
if (0 != h2) m2 = h2->GetMaximum();
m = (m1 > m2? m1: m2);
if (0 != h1) h1->SetMaximum(scale*m);
if (0 != h2) h2->SetMaximum(scale*m);
}
// ----------------------------------------------------------------------
void setTitles(TH1 *h, const char *sx, const char *sy, float size,
float xoff, float yoff, float lsize, int font) {
if (h == 0) {
cout << " Histogram not defined" << endl;
} else {
h->SetXTitle(sx); h->SetYTitle(sy);
h->SetTitleOffset(xoff, "x"); h->SetTitleOffset(yoff, "y");
h->SetTitleSize(size, "x"); h->SetTitleSize(size, "y");
h->SetLabelSize(lsize, "x"); h->SetLabelSize(lsize, "y");
h->SetLabelFont(font, "x"); h->SetLabelFont(font, "y");
h->GetXaxis()->SetTitleFont(font); h->GetYaxis()->SetTitleFont(font);
h->SetNdivisions(508, "X");
}
}
// ----------------------------------------------------------------------
void setHist(TH1 *h, Int_t color, Int_t symbol, Double_t size, Double_t width) {
h->SetLineColor(color); h->SetLineWidth(width);
h->SetMarkerColor(color); h->SetMarkerStyle(symbol); h->SetMarkerSize(size);
h->SetStats(kFALSE);
h->SetFillStyle(0); h->SetFillColor(color);
}
// ----------------------------------------------------------------------
void setHist(TH1 *h, dataset *ds) {
if (ds->fColor > -1) setHist(h, ds->fColor, ds->fSymbol, ds->fSize, ds->fWidth);
if (ds->fFillStyle > -1) setFilledHist(h, ds->fColor, ds->fFcolor, ds->fFillStyle, ds->fWidth);
}
// ----------------------------------------------------------------------
void setHistTitles(TH1 *h, dataset *ds, const char *sx, const char *sy,
float size, float xoff, float yoff, float lsize, int font) {
setHist(h, ds);
setTitles(h, sx, sy, size, xoff, yoff, lsize, font);
}
// ----------------------------------------------------------------------
void setGraph(TGraph *h, Int_t color, Int_t symbol, Double_t size, Double_t width) {
h->SetLineColor(color); h->SetLineWidth(width);
h->SetMarkerColor(color); h->SetMarkerStyle(symbol); h->SetMarkerSize(size);
}
// ----------------------------------------------------------------------
void colors(int i) {
if (i == 0) {
new TColor(600, 0.66, 0.66, 0.66, "gray");
new TColor(601, 0.90, 0.90, 0.90, "gray");
new TColor(602, 0.26, 0.26, 0.26, "gray");
new TColor(610, 0.00, 0.66, 0.00, "green");
new TColor(612, 0.00, 0.33, 0.00, "darkgreen");
new TColor(613, 0.00, 0.90, 0.00, "lightgreen");
new TColor(624, 0.00, 0.00, 0.60, "blue");
new TColor(625, 0.00, 0.00, 0.85, "lightblue");
new TColor(626, 0.00, 0.00, 0.35, "darkblue");
new TColor(637, 0.50, 0.00, 0.00, "red");
new TColor(638, 0.99, 0.00, 0.00, "lightred");
new TColor(639, 0.99, 0.00, 0.00, "darkred");
}
}
// ----------------------------------------------------------------------
void setFilledHist(TH1 *h, Int_t color, Int_t fillcolor, Int_t fillstyle, Int_t width) {
// Note: 3004, 3005 are crosshatches
// ----- 1000 is solid
// kYellow comes out gray on bw printers
h->SetLineColor(color); h->SetLineWidth(width);
h->SetFillStyle(fillstyle); h->SetFillColor(fillcolor);
}
// ----------------------------------------------------------------------
void printNonZero(TH1 *h) {
double con(0.), min(0.), max(0.);
for (Int_t i = 0; i <= h->GetNbinsX()+1; ++i) {
con = h->GetBinContent(i);
if (con > 0.) {
min = h->GetBinLowEdge(i);
max = min + h->GetBinWidth(i);
cout << Form("%3d ", i) << Form(" %7.3f ", min) << " .. " << Form(" %7.3f ", max) << ":"
<< Form(" %12.3f", con) << " +/- " << Form("%12.3f", h->GetBinError(i))
<< endl;
}
}
}
// ----------------------------------------------------------------------
void printAxesLabels(TH1 *h) {
if (0 == h) {
cout << "histogram does not exist" << endl;
return;
}
double min(0.), max(0.);
TString la;
for (Int_t i = 0; i <= h->GetNbinsX()+1; ++i) {
la = h->GetXaxis()->GetBinLabel(i);
min = h->GetBinLowEdge(i);
max = min + h->GetBinWidth(i);
if (la != "") {
cout << Form("%3d ", i) << Form(" %7.3f ", min) << " .. " << Form(" %7.3f ", max) << ":"
<< h->GetXaxis()->GetBinLabel(i)
<< ", bin content: " << h->GetBinContent(i)
<< endl;
}
}
}
// ----------------------------------------------------------------------
double getValueByLabel(TH1 *h, string label) {
string axislabel;
if (h) {
for (int i = 1; i <= h->GetNbinsX(); ++i) {
axislabel = h->GetXaxis()->GetBinLabel(i);
if (string::npos != axislabel.find(label)) return h->GetBinContent(i);
}
}
return -999.;
}
// ----------------------------------------------------------------------
void addOverflow(TH1D *h) {
int nbins = h->GetNbinsX();
double err0 = h->GetBinError(nbins);
double err1 = h->GetBinError(nbins+1);
double errTot = TMath::Sqrt(err0*err0 + err1*err1);
h->SetBinContent(nbins, h->GetBinContent(nbins) + h->GetBinContent(nbins+1));
h->SetBinError(nbins, errTot);
h->SetBinContent(nbins+1, 0.);
h->SetBinError(nbins+1, 0.);
}
// ----------------------------------------------------------------------
void addUnderflow(TH1D *h) {
double err0 = h->GetBinError(0);
double err1 = h->GetBinError(1);
double errTot = TMath::Sqrt(err0*err0 + err1*err1);
h->SetBinContent(1, h->GetBinContent(1) + h->GetBinContent(0));
h->SetBinError(1, errTot);
h->SetBinContent(0, 0.);
h->SetBinError(0, 0.);
}
// ----------------------------------------------------------------------
void zeroNegativeEntries(TH1D *h) {
for (int i = 0; i <= h->GetNbinsX()+1; ++i) {
if ((h->GetBinContent(i) < 0.) || (TMath::IsNaN(h->GetBinContent(i)))) {
h->SetBinContent(i, 0.);
h->SetBinError(i, 0.);
}
}
}
// ----------------------------------------------------------------------
void showOverflow(TH1 *h) {
int nbins = h->GetNbinsX();
double err0 = h->GetBinError(nbins);
double err1 = h->GetBinError(nbins+1);
double errTot = TMath::Sqrt(err0*err0 + err1*err1);
h->SetBinContent(nbins, h->GetBinContent(nbins) + h->GetBinContent(nbins+1));
h->SetBinError(nbins, errTot);
h->SetBinContent(nbins+1, 0.);
h->SetBinError(nbins+1, 0.);
err0 = h->GetBinError(0);
err1 = h->GetBinError(1);
errTot = TMath::Sqrt(err0*err0 + err1*err1);
h->SetBinContent(1, h->GetBinContent(1) + h->GetBinContent(0));
h->SetBinError(1, errTot);
h->SetBinContent(0, 0.);
h->SetBinError(0, 0.);
}
// ----------------------------------------------------------------------
TLegend* newLegend(string title, double x1, double y1, double x2, double y2,
vector<TH1*> hists, vector<string> names, vector<string> options) {
if (hists.size() != names.size()) {
cout << "hists and names vectors do not match size" << endl;
return 0;
}
if (hists.size() != options.size()) {
cout << "hists and options vectors do not match size" << endl;
return 0;
}
TLegend *legg = new TLegend(x1, y1, x2, y2, title.c_str());
legg->SetFillStyle(0);
legg->SetBorderSize(0);
legg->SetTextSize(0.04);
legg->SetFillColor(0);
legg->SetTextFont(52);
for (unsigned int i = 0; i < hists.size(); ++i) {
legg->AddEntry(hists[i], names[i].c_str(), options[i].c_str());
}
return legg;
}
// ----------------------------------------------------------------------
TLegend* newLegend(double x1, double y1, double x2, double y2) {
TLegend *legg = new TLegend(x1, y1, x2, y2);
legg->SetFillStyle(0);
legg->SetBorderSize(0);
legg->SetTextSize(0.04);
legg->SetFillColor(0);
legg->SetTextFont(52);
return legg;
}
// ----------------------------------------------------------------------
void stampAndSave(TCanvas *fC, const char *s) {
fC->cd();
TLatex tl;
TString filename(gFile->GetName()); Int_t index = filename.Index(".root"); filename.Remove(index);
TString psname = filename + TString(s);
double oldA = tl.GetTextAngle();
double oldS= tl.GetTextSize();
tl.SetTextAngle(90); tl.SetTextSize(0.02);
tl.DrawTextNDC(0.001, 0.05, psname.Data());
fC->SaveAs(psname.Data());
tl.SetTextAngle(oldA);
tl.SetTextSize(oldS);
}
// ----------------------------------------------------------------------
void shrinkPad(double b, double l, double r, double t) {
gPad->SetBottomMargin(b);
gPad->SetLeftMargin(l);
gPad->SetRightMargin(r);
gPad->SetTopMargin(t);
}
// ----------------------------------------------------------------------
void zone(int x, int y, TCanvas *c) {
if (c == 0) {
c = (TCanvas*)gROOT->FindObject("c0");
if (c == 0) {
cout << "TCanvas c0 not found. Creating my own version." << endl;
c = new TCanvas("c0","--c0--",356,0,656,700);
}
}
c->Clear();
c->Divide(x, y);
c->cd(1);
}
// ----------------------------------------------------------------------
int wait() {
cout << " Continue [<RET>|q]? ";
char x;
x = getchar();
if ((x == 'q') || (x == 'Q')) return 1;
return 0;
}
// ----------------------------------------------------------------------
vector<int> defVector(int n, ...) {
va_list vl;
va_start(vl, n);
vector<int> vect;
int a(0);
for (int i = 0; i < n; ++i) {
a = va_arg(vl, int);
vect.push_back(a);
}
va_end(vl);
return vect;
}
// ----------------------------------------------------------------------
double dEff(int in, int iN) {
double n = (double)in;
double N = (double)iN;
return sqrt(((n+1)*(N-n+1))/((N+3)*(N+2)*(N+2)));
}
// ----------------------------------------------------------------------
double dEff(int iN, double eff) {
double N = (double)iN;
double n = N*eff;
return sqrt(((n+1)*(N-n+1))/((N+3)*(N+2)*(N+2)));
}
// ----------------------------------------------------------------------
double dEff(double eff, int in) {
double n = (double)in;
double N = in/eff;
return sqrt(((n+1)*(N-n+1))/((N+3)*(N+2)*(N+2)));
}
// ----------------------------------------------------------------------
double dEff(double n, double nE, double N, double NE) {
if (n < N) {
return sqrt((N*N - 2*n*N)*nE*nE + n*n*NE*NE)/(N*N);
} else {
return 0.;
}
}
// ----------------------------------------------------------------------
double dBinomial(double n, double N) {
double w = n/N;
return TMath::Sqrt(TMath::Abs(w*(1-w)/N));
}
// ----------------------------------------------------------------------
double dRatio(double a, double b) {
return TMath::Sqrt((a/(b*b)) + ((a*a)/(b*b*b)));
}
// ----------------------------------------------------------------------
double dRatio(double a, double ae, double b, double be) {
return TMath::Sqrt(((ae*ae)/(b*b)) + ((a*a*be*be)/(b*b*b*b)));
}
// ----------------------------------------------------------------------
double dBF(double n, double nE, double N, double NE, double e, double eE) {
double n2 = n*n;
double e2 = e*e;
double N2 = N*N;
double dbdn2 = 1./(e2*N2);
double dbde2 = (n2)/(e2*e2*N2);
double dbdN2 = (n2)/(e2*N2*N2);
return TMath::Sqrt(nE*nE*dbdn2 + NE*NE*dbdN2 + eE*eE*dbde2);
}
// ----------------------------------------------------------------------
double getError(TH1* h) {
double e(0.), t(0.);
if (h->InheritsFrom(TH2::Class())) {
for (int ix = 1; ix <= h->GetNbinsX(); ix++) {
for (int iy = 1; iy <= h->GetNbinsY(); iy++) {
t = h->GetCellError(ix, iy);
e += t*t;
}
}
} else {
for (int i = 1; i <= h->GetNbinsX(); ++i) {
t = h->GetBinError(i);
e += t*t;
}
}
return TMath::Sqrt(e);
}
// ----------------------------------------------------------------------
double getErrorRange(TH1* h, int min, int max) {
double e(0.), t(0.);
if (min < 0) min = 1;
if (max < 0) max = h->GetNbinsX();
for (int i = min; i <= max; ++i) {
t = h->GetBinError(i);
e += t*t;
}
return TMath::Sqrt(e);
}
// -------------------------------------------------------------------------------
void babar(double xpos, double ypos, double scale, int prel) {
TText *Babar = new TText();
Babar->SetNDC(kTRUE);
Babar->SetTextFont(32);
Babar->SetTextSize(0.10*scale);
Babar->DrawText(xpos,ypos,"B");
Babar->SetTextSize(0.075*scale);
Babar->DrawText(xpos+0.042*scale,ypos,"A");
Babar->SetTextSize(0.10*scale);
Babar->DrawText(xpos+0.078*scale,ypos,"B");
Babar->SetTextSize(0.075*scale);
Babar->DrawText(xpos+0.120*scale,ypos,"AR");
if (prel) {
Babar->SetTextSize(0.10*0.8*scale);
Babar->DrawText(xpos, ypos - 0.1*0.8*scale, "Preliminary");
}
delete Babar;
}
// ----------------------------------------------------------------------
double chi2Prob(double chi2, double ndof) {
return (1. - TMath::Gamma(0.5*ndof, 0.5*chi2));
}
// ----------------------------------------------------------------------
double chi2Test(TH1 *h1, TH1 *h2, double& chi2, double& ndof, int constrain) {
int nbins = h1->GetNbinsX();
if (nbins != h2->GetNbinsX()) {
cout << "chi2Test: Number of bins not the same" << endl;
return -99.;
}
double df = nbins - 1 - constrain;
double chsq(0.), a1(0.), a2(0.);
for (int i = 1; i <= nbins; ++i) {
a1 = h1->GetBinContent(i);
a2 = h2->GetBinContent(i);
if ((TMath::Abs(a1) < 1.e-8) && (TMath::Abs(a2) < 1.e-8)) {
df -= 1.;
} else if ((a1 < 0.) || (a2 < 0.)) {
df -= 1.;
} else {
cout << "Adding " << ((a1-a2)*(a1-a2))/(a1+a2) << " from " << a1 << " " << a2 << " for xmin = " << h1->GetBinLowEdge(i) << endl;
chsq += ((a1-a2)*(a1-a2))/(a1+a2);
}
}
double gamma = 1. - TMath::Gamma(0.5*df, 0.5*chsq);
chi2 = chsq;
ndof = df;
return gamma;
}
// ----------------------------------------------------------------------
double chi2TestErr(TH1 *h1, TH1 *h2, double& chi2, double& ndof, int constrain) {
int nbins = h1->GetNbinsX();
if (nbins != h2->GetNbinsX()) {
cout << "chi2Test: Number of bins not the same" << endl;
return -99.;
}
double df = nbins - 1 - constrain;
double chsq(0.), a1(0.), a2(0.), e1(0.), e2(0.);
for (int i = 1; i <= nbins; ++i) {
a1 = h1->GetBinContent(i);
e1 = h1->GetBinError(i) * h1->GetBinError(i);
a2 = h2->GetBinContent(i);
e2 = h2->GetBinError(i) * h2->GetBinError(i);
if ((TMath::Abs(a1) < 1.e-8) && (TMath::Abs(a2) < 1.e-8)) {
df -= 1.;
} else if ((a1 < 0.) || (a2 < 0.)) {
df -= 1.;
} else {
chsq += ((a1 - a2) * (a1 - a2)) / (e1 + e2);
}
}
double gamma = 1. - TMath::Gamma(0.5*df, 0.5*chsq);
chi2 = chsq;
ndof = df;
return gamma;
}
// ----------------------------------------------------------------------
void mk4Vector(TLorentzVector &p4, const Double_t p, const Double_t t, const Double_t f, const Double_t m) {
p4.SetXYZM(p*TMath::Sin(t)*TMath::Cos(f), p*TMath::Sin(t)*TMath::Sin(f), p*TMath::Cos(t), m);
}
// ----------------------------------------------------------------------
TLorentzVector mk4Vector(const Double_t p, const Double_t t, const Double_t f, const Double_t m) {
TLorentzVector p4;
p4.SetXYZM(p*TMath::Sin(t)*TMath::Cos(f), p*TMath::Sin(t)*TMath::Sin(f), p*TMath::Cos(t), m);
return p4;
}
// ----------------------------------------------------------------------
void average(double &av, double &error, int n, double *val, double *verr) {
double e(0.), w8(0.), sumW8(0.), sumAve(0.);
for (int i = 0; i < n; ++i) {
// -- calculate mean and error
e = verr[i];
if (e > 0.) {
w8 = 1./(e*e);
sumW8 += w8;
sumAve += w8*val[i];
} else {
cout << "average: Error = 0 for " << val[i] << endl;
continue;
}
}
if (sumW8 > 0.) {
av = sumAve/sumW8;
error = 1./TMath::Sqrt(sumW8);
} else {
av = -99.;
error = -99.;
}
}
// ----------------------------------------------------------------------
void average(double &av, double &error, vector<double> &val, vector<double> &verr, double &chi2) {
double e(0.), w8(0.), sumW8(0.), sumAve(0.);
for (unsigned int i = 0; i < val.size(); ++i) {
cout << i << " " << val[i] << " +/- " << verr[i];
// -- calculate mean and error
e = verr[i];
if (e > 0.) {
w8 = 1./(e*e);
sumW8 += w8;
sumAve += w8*val[i];
cout << " w8 = " << w8 << " sumW8 = " << sumW8 << " sumAve = " << sumAve << endl;
} else {
cout << "average: Error = 0 for " << val[i] << endl;
continue;
}
}
if (sumW8 > 0.) {
av = sumAve/sumW8;
sumW8 = TMath::Sqrt(sumW8);
error = 1./sumW8;
} else {
av = -99.;
error = -99.;
}
cout << "sqrt(sumW8) = " << sumW8 << " av = " << av << " +/- " << error << endl;
chi2 = 0;
for (unsigned int i = 0; i < val.size(); ++i) {
e = verr[i];
if (e > 0.) {
w8 = 1./(e*e);
} else {
w8 = 0.;
}
chi2 += w8*(av-val[i])*(av-val[i]);
}
}
// ----------------------------------------------------------------------
double poissonError(int n, double &up, double &down) {
if (n > 9) {
up = down = TMath::Sqrt(n);
return (0.5*(up+down));
}
if (n < 0) {
up = down = -99.;
return -99.;
}
if (n < 2) {
down = 0.827;
up = 2.299;
return (0.5*(up+down));
}
if (2 == n) {
down = 1.292;
up = 2.637;
return (0.5*(up+down));
}
if (3 == n) {
down = 1.633;
up = 2.918;
return (0.5*(up+down));
}
if (4 == n) {
down = 1.914;
up = 3.162;
return (0.5*(up+down));
}
if (5 == n) {
down = 2.159;
up = 3.382;
return (0.5*(up+down));
}
if (6 == n) {
down = 2.380;
up = 2.581;
return (0.5*(up+down));
}
if (7 == n) {
down = 2.581;
up = 3.770;
return (0.5*(up+down));
}
if (8 == n) {
down = 2.768;
up = 3.944;
return (0.5*(up+down));
}
if (9 == n) {
down = 2.943;
up = 4.110;
return (0.5*(up+down));
}
return -1.;
}
// ----------------------------------------------------------------------
double poissonErrorExact(int n, double &up, double &down) {
double alpha = 0.158655;
double vlo = 0.5*TMath::ChisquareQuantile(alpha, 2.*n);
double vup = 0.5*TMath::ChisquareQuantile(1-alpha, 2.*(n+1));
up = vup - n;
down = n - vlo;
return (0.5*(up+down));
}
// ----------------------------------------------------------------------
int quarkFlavor(int i) {
if (isBeautyMeson(i) || isBeautyBaryon(i)) {
return 5;
} else if (isCharmMeson(i) || isCharmBaryon(i)) {
return 4;
} else {
return 3;
}
}
// ----------------------------------------------------------------------
bool isQuark(int id) {
unsigned int aid = TMath::Abs(id);
if (1 == aid) return true;
if (2 == aid) return true;
if (3 == aid) return true;
if (4 == aid) return true;
if (5 == aid) return true;
if (6 == aid) return true;
return false;
}
// ----------------------------------------------------------------------
bool isLepton(int id) {
unsigned int aid = TMath::Abs(id);
if (13 == aid) return true;
if (11 == aid) return true;
if (15 == aid) return true;
if (12 == aid) return true;
if (14 == aid) return true;
if (16 == aid) return true;
return false;
}
// ----------------------------------------------------------------------
bool isBeautyMesonWeak(int i) {
if (511 == TMath::Abs(i)) return true;
if (521 == TMath::Abs(i)) return true;
if (531 == TMath::Abs(i)) return true;
return false;
}
// ----------------------------------------------------------------------
bool isBeautyBaryonWeak(int i) {
if (5122 == TMath::Abs(i)) return true;
if (5132 == TMath::Abs(i)) return true;
if (5232 == TMath::Abs(i)) return true;
if (5332 == TMath::Abs(i)) return true;
return false;
}
// ----------------------------------------------------------------------
bool isCharmMesonWeak(int i) {
if (411 == TMath::Abs(i)) return true;
if (421 == TMath::Abs(i)) return true;
if (431 == TMath::Abs(i)) return true;
return false;
}
// ----------------------------------------------------------------------
bool isCharmBaryonWeak(int i) {
if (4122 == TMath::Abs(i)) return true;
if (4132 == TMath::Abs(i)) return true;
if (4232 == TMath::Abs(i)) return true;
if (4332 == TMath::Abs(i)) return true;
return false;
}
// ----------------------------------------------------------------------
bool isBeautyMeson(int i) {
int rest = (TMath::Abs(i)%1000);
return (rest > 499 && rest < 600);
}
// ----------------------------------------------------------------------
bool isBeautyBaryon(int i) {
int rest = (TMath::Abs(i)%1000);
return (rest > 4999 && rest < 6000);
}
// ----------------------------------------------------------------------
bool isCharmMeson(int i) {
int rest = (TMath::Abs(i)%1000);
return (rest > 399 && rest < 500);
}
// ----------------------------------------------------------------------
bool isCharmBaryon(int i) {
int rest = (TMath::Abs(i)%1000);
return (rest > 3999 && rest < 5000);
}
// ----------------------------------------------------------------------
bool isLightMeson(int i) {
int rest = (TMath::Abs(i)%1000);
return (rest > 99 && rest < 400);
}
// ----------------------------------------------------------------------
bool isStableCharged(int i) {
if (211 == TMath::Abs(i)) return true;
if (321 == TMath::Abs(i)) return true;
if (11 == TMath::Abs(i)) return true;
if (13 == TMath::Abs(i)) return true;
if (2122 == TMath::Abs(i)) return true;
return false;
}
// ----------------------------------------------------------------------
void replaceAll(string &str, const string &from, const string &to) {
if (from.empty()) return;
size_t start_pos = 0;
while((start_pos = str.find(from, start_pos)) != string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length(); // In case 'to' contains 'from', like replacing 'x' with 'yx'
}
}
// ----------------------------------------------------------------------
string formatTex(double n, string name, int digits, int sgn) {
char line[200];
if ( TMath::IsNaN(n) ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{\\mathrm{NaN} } } }", name.c_str());
} else if (0 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%i } } }", name.c_str(), static_cast<int>(n));
} else if (1 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%5.1f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+5.1f } } }", name.c_str(), n);
} else if (2 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%5.2f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+5.2f } } }", name.c_str(), n);
} else if (3 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%5.3f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+5.3f } } }", name.c_str(), n);
} else if (4 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%5.4f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+5.4f } } }", name.c_str(), n);
} else if (5 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%6.5f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+6.5f } } }", name.c_str(), n);
} else if (6 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%7.6f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+7.6f } } }", name.c_str(), n);
} else if (7 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%8.7f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+8.7f } } }", name.c_str(), n);
} else if (8 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%9.8f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+9.8f } } }", name.c_str(), n);
} else if (9 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%10.9f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+10.9f } } }", name.c_str(), n);
} else if (10 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%11.10f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+11.10f } } }", name.c_str(), n);
} else if (11 == digits ) {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%12.11f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+12.11f } } }", name.c_str(), n);
} else {
snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%f } } }", name.c_str(), n);
if (sgn) snprintf(line, 199, "\\vdef{%s} {\\ensuremath{{%+f } } }", name.c_str(), n);
}
return string(line);
}
// ----------------------------------------------------------------------
string formatTexErrSci(double n, double nE, string name, int digits, int sgn) {
char line[200];
if (TMath::Abs(n) < 1.e-15) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{0} }", name.c_str());
return string(line);
}
bool negative(false);
if (n < 0) {
n *= -1.;
negative = true;
}
double expoN = TMath::Log10(n);
// cout << "original expoN = " << expoN << endl;
// if (negative) expoN -= 1;
double expoNE = TMath::Log10(nE);
// cout << "original expoNE = " << expoNE << endl;
if (expoNE < 0) expoNE -= 1;
double ratio = expoNE - expoN;
double mantN = n / TMath::Power(10, static_cast<int>(expoN));
if (negative) mantN *= -1.;
double mantNE = nE / TMath::Power(10, static_cast<int>(expoNE-ratio));
// cout << setw(2) << "expoN = " << expoN << " expoNE == " << expoNE
// << " mantN = " << mantN << " mantNE = " << mantNE << " ratio = " << ratio
// << endl;
if (TMath::IsNaN(n) || TMath::IsNaN(nE)) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{\\mathrm{NaN} } } }",
name.c_str());
} else if (1 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%5.1f \\pm %5.1f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+5.1f \\pm %5.1f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (2 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%5.2f \\pm %5.2f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+5.2f \\pm %5.2f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (3 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%5.3f \\pm %5.3f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+5.3f \\pm %5.3f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (4 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%5.4f \\pm %5.4f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+5.4f \\pm %5.4f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (5 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%6.5f \\pm %6.5f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+6.5f \\pm %6.5f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (6 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%7.6f \\pm %7.6f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+7.6f \\pm %7.6f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (7 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%8.7f \\pm %8.7f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+8.7f \\pm %8.7f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (8 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%9.8f \\pm %9.8f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+9.8f \\pm %9.8f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (9 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%10.9f \\pm %10.9f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+10.9f \\pm %10.9f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (10 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%11.10f \\pm %11.10f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+11.10f \\pm %11.10f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (11 == digits ) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%12.11f \\pm %12.11f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{(%+12.11f \\pm %12.11f)\\times 10^{%d}} } }",
name.c_str(), mantN, mantNE, static_cast<int>(expoN));
} else if (digits <0) {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{%5.1f \\times 10^{%d}} } }",
name.c_str(), mantN, static_cast<int>(expoN));
if (sgn) snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{%+5.1f \\times 10^{%d}} } }",
name.c_str(), mantN, static_cast<int>(expoN));
} else {
snprintf(line, 200, "\\vdef{%s} {\\ensuremath{{%5.0f \\times 10^{%d}} } }",
name.c_str(), mantN, static_cast<int>(expoN));
}
return string(line);
}
// ----------------------------------------------------------------------
string formatTex(double n, string name, string tag) {
char line[200];
if (TMath::IsNaN(n) ) {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{\\mathrm{NaN} } } }", name.c_str(), tag.c_str());
} else if ( n > 100. ) {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{%6.0f } } }", name.c_str(), tag.c_str(), n);
} else if ( n > 1. ) {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{%4.2f } } }", name.c_str(), tag.c_str(), n);
} else if ( n > 1.e-1) {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{%4.3f } } }", name.c_str(), tag.c_str(), n);
} else if ( n > 1.e-3) {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{%4.3f } } }", name.c_str(), tag.c_str(), n);
} else {
snprintf(line, 200, "\\vdef{%s:%s} {\\ensuremath{{0.0 } } }", name.c_str(), tag.c_str());
}
string result(line);
return result;
}
// ----------------------------------------------------------------------
string formatTLV(const TLorentzVector &v, int mode) {
if (1 == mode) {
return string(Form("(%5.4f, %5.4f, %5.4f, E=%5.4f)", v.X(), v.Y(), v.Z(), v.E()));
} else if (2 == mode) {
return string(Form("(%5.4f, %5.4f, %5.4f, m=%5.4f)", v.X(), v.Y(), v.Z(), v.M()));
}
return string(Form("(%5.4f, %+3.2f, %+3.2f)", v.Perp(), v.Eta(), v.Phi()));
}
// ----------------------------------------------------------------------
string formatTVector3(const TVector3 &v, int mode) {
if (1 == mode) {
return string(Form("(%5.4f, %5.4f, %5.4f)", v.X(), v.Y(), v.Z()));
}
return string(Form("(%5.4f, %+3.2f, %+3.2f)", v.Perp(), v.Eta(), v.Phi()));
}
// ----------------------------------------------------------------------
double median(TH1 *h1) {
// http://root.cern.ch/phpBB3/viewtopic.php?t=3620
//compute the median for 1-d histogram h1
Int_t nbins = h1->GetXaxis()->GetNbins();
Double_t *x = new Double_t[nbins];
Double_t *y = new Double_t[nbins];
for (Int_t i=0;i<nbins;i++) {
x[i] = h1->GetXaxis()->GetBinCenter(i+1);
y[i] = h1->GetBinContent(i+1);
}
Double_t median = TMath::Median(nbins,x,y);
delete [] x;
delete [] y;
return median;
}
// ----------------------------------------------------------------------
void cleanupString(string &s) {
replaceAll(s, "\t", " ");
string::size_type s1 = s.find("#");
if (string::npos != s1) s.erase(s1);
if (0 == s.length()) return;
string::iterator new_end = unique(s.begin(), s.end(), bothAreSpaces);
s.erase(new_end, s.end());
if (s.substr(0, 1) == string(" ")) s.erase(0, 1);
if (s.substr(s.length()-1, 1) == string(" ")) s.erase(s.length()-1, 1);
}
// ----------------------------------------------------------------------
bool bothAreSpaces(char lhs, char rhs) {
return (lhs == rhs) && (lhs == ' ');