MultiHistogramFitFCN::HistogramDetails_t Struct Reference

List of all members.

Public Member Functions
double	GetHeight (double t) const
double	GetError2 (double t) const
Public Attributes
double	fTimeOffset
double	fAmplitudeScale
const TH1D *	fTemplateHist
int	fNDoF

Detailed Description

Definition at line 17 of file MultiHistogramFitFCN.h.

Member Function Documentation

double MultiHistogramFitFCN::HistogramDetails_t::GetError2 ( double t ) const

Definition at line 23 of file MultiHistogramFitFCN.cpp.

References fTemplateHist, and fTimeOffset.

00023                                                                      {
00024     int bin= t - fTimeOffset;
00025     double error= fTemplateHist->GetBinError(bin);
00026     return error*error;
00027 }

double MultiHistogramFitFCN::HistogramDetails_t::GetHeight ( double t ) const

Definition at line 14 of file MultiHistogramFitFCN.cpp.

References fAmplitudeScale, fTemplateHist, and fTimeOffset.

00014                                                                      {
00015     int bin=t - fTimeOffset;
00016     double remainder=t - fTimeOffset - bin;
00017     assert( remainder<1 );
00018     double y0 = fTemplateHist->GetBinContent(bin);
00019     double y1 = fTemplateHist->GetBinContent(bin+1);
00020     return (y0 + remainder*((y1-y0)))*fAmplitudeScale;
00021 }