Histograms as function parameter and returning their ratio plots

Newbie
1

Hi
I need to write a function such that it will take 2 histogram as its parameter and return their plots alongside with their ratio plot.

Is this possible?

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2

${ROOTSYS}/tutorials/hist/ratioplot*

3

So silly of me!
It’s so simple.

void hist_function(TH1F* h1, TH1F* h2)
{
  h1 -> Fill(5);
  h1 -> Draw();

  h2 -> Fill(7);
  h2 -> Draw("Same");

}

void sf()
{

  TH1F *hist1 = new TH1F("hist", "hist", 100, 0, 10);
  TH1F *hist2 = new TH1F("hist", "hist", 100, 0, 10);

  hist_function(hist1, hist2);
}