CscFit.cxx File Reference

#include "CscFit.h"
#include <cmath>
#include "AthenaKernel/getMessageSvc.h"
#include "GaudiKernel/MsgStream.h"
#include "TF1.h"
#include "TH1F.h"

Include dependency graph for CscFit.cxx:

Go to the source code of this file.

Functions
Double_t	f1gauss (const Double_t *x, const Double_t *par)
	one Gaussing fitting method More...
Double_t	f2gauss (const Double_t *x, const Double_t *par)
	two-Gaussian fitting method More...

Function Documentation

f1gauss()

Double_t f1gauss	(	const Double_t *	x,
		const Double_t *	par
	)

one Gaussing fitting method

Definition at line 349 of file CscFit.cxx.

                                                         {
    Double_t arg = 0;
    arg = (x[0] - par[1]) / par[2];
    Double_t fitval = par[3] + par[0] * std::exp(-0.5 * arg * arg);
    return fitval;
}

f2gauss()

Double_t f2gauss	(	const Double_t *	x,
		const Double_t *	par
	)

two-Gaussian fitting method

Definition at line 357 of file CscFit.cxx.

                                                         {
    Double_t arg1 = 0;
    Double_t arg2 = 0;
    if (par[2] != 0) arg1 = (x[0] - par[1]) / par[2];
    if (par[5] != 0) arg2 = (x[0] - par[4]) / par[5];
    Double_t fitval = par[0] * std::exp(-0.5 * arg1 * arg1) + par[3] * std::exp(-0.5 * arg2 * arg2) + par[6];
    return fitval;
}