MathTools/interface/MathUtils.h

//--------------------------------------------------------------------------------------------------
// $Id: MathUtils.h,v 1.1 2008/08/18 14:57:43 sixie Exp $
//
// MathUtils
//
// Math utility functions.
//
// Authors: S.Xie, C.Loizides
//--------------------------------------------------------------------------------------------------

#ifndef MITCOMMON_MATHTOOLS_MATHUTILS_H
#define MITCOMMON_MATHTOOLS_MATHUTILS_H

#include "MitCommon/DataFormats/interface/Types.h"
#include <TMath.h>

namespace mitcommon
{
  class MathUtils {
    public:
      static double AddInQuadrature(double a, double b);  
      static double DeltaPhi(double phi1, double phi2);
      static double DeltaR(const FourVector &v1, const FourVector &v2);
      static double DeltaR(double phi1, double eta1, double phi2, double eta2);
      static double Eta2Theta(double eta);
      static double Theta2Eta(double theta);
  };
}
#endif
Revision:	1.2
Committed:	Thu Sep 4 17:11:31 2008 UTC (16 years, 8 months ago) by loizides
Content type:	text/plain
Branch:	MAIN
Changes since 1.1:	+16 -19 lines
Log Message:	Cleanup. Use static functions in class. Have only math functions.
#	User	Rev	Content
1	sixie	1.1	//--------------------------------------------------------------------------------------------------
2	loizides	1.2	// $Id: MathUtils.h,v 1.1 2008/08/18 14:57:43 sixie 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	1.2	namespace mitcommon
18	sixie	1.1	{
19	loizides	1.2	class MathUtils {
20			public:
21			static double AddInQuadrature(double a, double b);
22			static double DeltaPhi(double phi1, double phi2);
23			static double DeltaR(const FourVector &v1, const FourVector &v2);
24			static double DeltaR(double phi1, double eta1, double phi2, double eta2);
25			static double Eta2Theta(double eta);
26			static double Theta2Eta(double theta);
27			};
28	sixie	1.1	}
29			#endif