{
c1= new TCanvas("kondo","test");
TH1F *h1 = new TH1F("h1","h1 title",20,-10.,10);
for (int i = 0; i<50000; i++){
   double x = gRandom.Gaus(0.,3.);
   h1->Fill(x);
}
h1->Draw();
fname = new char[15];
int i = 4;
sprintf(fname,"%d.root",i);
fname[14]=0;
t=new TText(-8,6000,fname);
t->Draw();
double f = 2.2;
sprintf(fname,"%f.root",f);
t=new TText(3,6000,fname);
t->Draw();
sprintf(fname,"%8.2f.root",f);
t=new TText(3,5000,fname);
t->Draw();
sprintf(fname,"%6.2f.root",f);
t=new TText(3,4000,fname);
t->Draw();
}