test/stubs/Utils.h

0001 #ifndef Utils_H
0002 #define Utils_H
0003
0004 /*
0005  * Parametrization function and related utilities, for testing purposes.
0006  *
0007  * Coordinates are
0008  * x in cm; theta in degrees, B in T, t in ns
0009  * Bwire = By in ORCA r.f.
0010  * Bnorm = Bz in ORCA r.f.
0011  *
0012  *  \author N. Amapane - INFN Torino
0013  */
0014
0015 // Drift space-time parametrization after J. Puerta, P. Garcia-Abia
0016 void *driftTime(double x, double theta, double Bwire, double Bnorm, short interpolate);
0017
0018 // Inverse time-space parametrization after J. Puerta, P. Garcia-Abia
0019 void *trackDistance(double x, double theta, double Bwire, double Bnorm, short interpolate);
0020
0021 // Drift time parametrization after T. Rovelli, A. Gresele
0022 float oldParametrization(float x, float theta, float Bwire, float Bnorm);
0023
0024 double smearedTime(double x, double theta, double Bwire, double Bnorm, short interpolate);
0025
0026 // Smearing of an asymmetric distribution which results from combining two
0027 // gaussians with the same peak and different sigmas.
0028 double asymGausSample(double mean, double sigma1, double sigma2);
0029
0030 #include "TString.h"
0031 // Convert a double to a TString with a given precision.
0032 TString dToTString(double f, int precision = 6);
0033
0034 #endif