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//--------------------------------------------------------------------------------------------------
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// $Id: $
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//
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// MathUtils
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//
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// Math Utility functions
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//
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// Authors: S.Xie
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//--------------------------------------------------------------------------------------------------
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#ifndef MATHTOOLS_MATHUTILS_H
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#define MATHTOOLS_MATHUTILS_H
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#include "MitAna/DataTree/interface/Types.h"
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#include <TMath.h>
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namespace mitMath
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{
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/// Convert double into a string
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std::string ftoa(double x);
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//Math functions
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double deltaPhi(double phi1, double phi2);
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double phiEtaDeltaR(double phi1, double eta1, double phi2, double eta2);
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double deltaR(mithep::FourVector v1, mithep::FourVector v2);
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double addInQuadrature(double a, double b);
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double Eta2Theta(double eta);
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double Theta2Eta(double theta);
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}
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#endif
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