Rate Calculator for Muon base triggers

Hi, This is a simple calulator for muon triggers to estimate firing rate.

Function definition

HltInput.h

HltInput class will fetch 'hltanalysis/HltTree' and trigger object in 'hltobject/(trigger name)'.

RateCalc.h

RateCalc class inherits HltInput, getters and calculation are all included in here

The calculateRate.C macro runs a calculator for all given HLT triggers in given file. Modify the input file name and imply run

root -b -q calculateRate.C

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