Utility.h

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#ifndef DQM_SiStripCommissioningAnalysis_Utility_H
#define DQM_SiStripCommissioningAnalysis_Utility_H

#include "DataFormats/SiStripCommon/interface/SiStripConstants.h"
#include <boost/cstdint.hpp>
#include <vector>
#include <cmath>

namespace sistrip {

  class LinearFit {
  
  public:
  
    LinearFit();

    ~LinearFit() {;}
    
    class Params {
    public:
      uint16_t n_;
      float a_;
      float b_;
      float erra_;
      float errb_;
      Params() :
    n_(sistrip::invalid_), 
    a_(sistrip::invalid_), 
    b_(sistrip::invalid_), 
    erra_(sistrip::invalid_), 
    errb_(sistrip::invalid_) {;}
      ~Params() {;}
    };
    
    void add( const float& value_x,
          const float& value_y );

    void add( const float& value_x,
          const float& value_y, 
          const float& error_y );
  
    void fit( Params& fit_params );
  
  private:
  
    std::vector<float> x_;
    std::vector<float> y_;
    std::vector<float> e_;
    float ss_;
    float sx_;
    float sy_;
  
  };

  class MeanAndStdDev {
  
  public:
  
    MeanAndStdDev();

    ~MeanAndStdDev() {;}

    class Params {
    public:
      float mean_;
      float rms_;
      float median_;
      Params() :
    mean_(sistrip::invalid_), 
    rms_(sistrip::invalid_), 
    median_(sistrip::invalid_) {;}
      ~Params() {;}
    };
  
    void add( const float& value,
          const float& error );
  
    void fit( Params& fit_params );
  
  private:
  
    float s_;
    float x_;
    float xx_;
    std::vector<float> vec_;
  
  };

}

#endif // DQM_SiStripCommissioningAnalysis_Utility_H