#include "TFile.h" #include "TCanvas.h" #include "TH1.h" #include "TF1.h" void testMacro() { TCanvas *c1 = new TCanvas(); TH1F* h = new TH1F("h","",100, -3, 3); TF1 *gaus = new TF1("gaus","exp(-0.5*x*x)",-3, 3); h->FillRandom("gaus",10000); h->Draw(); c1->Print( "gaus.gif" ); }