StRoot: StBTofUtil/tofPathLength.hh Source File

00001  /***************************************************************************
00002  *
00003  * $Id: tofPathLength.hh,v 1.1 2009/02/11 17:31:14 dongx Exp $ tofPathLength.cc,v 1.2 2003/07/11 05:08:49 geurts Exp $
00004  *
00005  * Author: Frank Geurts
00006  ***************************************************************************
00007  *
00008  * Description: Calculate helix path length between to points.
00009  *              requires begin and end point StThreeVectors and helix curvature
00010  *
00011  ***************************************************************************
00012  *
00013  **************************************************/
00014 #ifndef BTOFPATHLENGTH_HH
00015 #define BTOFPATHLENGTH_HH
00016 #include "StThreeVector.hh"
00017 #include "StThreeVectorD.hh"
00018 #include "StThreeVectorF.hh"
00019 
00024 double tofPathLength(const StThreeVector<double>*, const StThreeVector<double>*, const double);
00025 //double tofPathLength(const StThreeVectorD*, const StThreeVectorD*, const double);
00026 double tofPathLength(const StThreeVectorD*, const StThreeVectorF*, const double);
00027 double tofPathLength(const StThreeVectorF*, const StThreeVectorD*, const double);
00028 double tofPathLength(const StThreeVectorF*, const StThreeVectorF*, const double);
00029 #endif