GeometryCommonDetAlgo/interface/Measurement1DFloat.h

0001 #ifndef _COMMONDET_MEASUREMENT1DFLOAT_H_
0002 #define _COMMONDET_MEASUREMENT1DFLOAT_H_
0003
0004 /** A class that combines a value and it's associated uncertainty,
0005  *  or error, together. Provides a more explicit interface than
0006  *  a pair<float,float>. If you don't like the name, propose a better one!
0007  */
0008
0009 class Measurement1DFloat {
0010 public:
0011   // construct
0012
0013   Measurement1DFloat() : theValue(0.), theError(0.) {}
0014
0015   Measurement1DFloat(const float& aValue) : theValue(aValue), theError(0.) {}
0016
0017   Measurement1DFloat(const float& aValue, const float& aError) : theValue(aValue), theError(aError) {}
0018
0019   //destruct
0020
0021   ~Measurement1DFloat(){};
0022
0023   float value() const { return theValue; }
0024
0025   float error() const { return theError; }
0026
0027   float significance() const {
0028     if (theError == 0)
0029       return 0;
0030     else
0031       return theValue / theError;
0032   }
0033
0034 private:
0035   float theValue;
0036   float theError;
0037 };
0038
0039 #endif