TrigMuonTruthMonTransforms.py

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#  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
# Function to divide histograms for muon efficiency monitoring
 
def efficiency(inputs):
    assert len(inputs) == 1 # one match at a time 
    assert len(inputs[0][1]) == 2 # pair of truth and matched-to-truth hists
    for _ in inputs: 
        transform = _[1][1].Clone() # cloning retains binning and titles for each variable
        transform.Divide(_[1][1],_[1][0],1,1,"B") # denominator is the first argument, numerator is the second argument
    return [transform]