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root/cvsroot/UserCode/MitCommon/MathTools/interface/MathUtils.h
Revision: 1.7
Committed: Fri Mar 20 13:33:19 2009 UTC (16 years, 1 month ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_009
Changes since 1.6: +15 -8 lines
Log Message: 
Cleanup

File Contents

# User Rev Content
1 sixie 1.1 //--------------------------------------------------------------------------------------------------
2 loizides 1.7 // $Id: MathUtils.h,v 1.6 2009/03/03 18:12:25 bendavid Exp $
3 sixie 1.1 //
4     // MathUtils
5     //
6 loizides 1.2 // Math utility functions.
7 sixie 1.1 //
8 loizides 1.2 // Authors: S.Xie, C.Loizides
9 sixie 1.1 //--------------------------------------------------------------------------------------------------
10    
11 loizides 1.2 #ifndef MITCOMMON_MATHTOOLS_MATHUTILS_H
12     #define MITCOMMON_MATHTOOLS_MATHUTILS_H
13 sixie 1.1
14 loizides 1.2 #include "MitCommon/DataFormats/interface/Types.h"
15 sixie 1.1 #include <TMath.h>
16    
17 loizides 1.3 namespace mithep
18 sixie 1.1 {
19 loizides 1.2 class MathUtils {
20     public:
21 loizides 1.4 static Double_t AddInQuadrature(Double_t a, Double_t b);
22     static Double_t DeltaPhi(Double_t phi1, Double_t phi2);
23 loizides 1.7 template<class V1, class V2>
24     static Double_t DeltaPhi(const V1 &v1, const V2 &v2);
25 loizides 1.4 static Double_t DeltaR(Double_t phi1, Double_t eta1, Double_t phi2, Double_t eta2);
26 loizides 1.7 template<class V1, class V2>
27     static Double_t DeltaR(const V1 &v1, const V2 &v2);
28 loizides 1.4 static Double_t Eta2Theta(Double_t eta);
29     static Double_t Theta2Eta(Double_t theta);
30 loizides 1.2 };
31 sixie 1.1 }
32 bendavid 1.6
33     //--------------------------------------------------------------------------------------------------
34     template<class V1, class V2>
35 loizides 1.7 Double_t mithep::MathUtils::DeltaPhi(const V1 &v1, const V2 &v2)
36     {
37     // DeltaPhi between two given objects
38    
39     return mithep::MathUtils::DeltaPhi(v1.Phi(),v2.Phi());
40     }
41    
42     //--------------------------------------------------------------------------------------------------
43     template<class V1, class V2>
44 bendavid 1.6 Double_t mithep::MathUtils::DeltaR(const V1 &v1, const V2 &v2)
45     {
46 loizides 1.7 // DeltaR between two given objects
47 bendavid 1.6
48     return mithep::MathUtils::DeltaR(v1.Phi(),v1.Eta(),v2.Phi(),v2.Eta());
49     }
50 sixie 1.1 #endif