BOSS 6.6.4.p03
BESIII Offline Software System
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TrkDirection.h
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1#ifndef TRKDIRECTION_H
2#define TRKDIRECTION_H
3// -----------------------------------------------------------------------
4// File and Version Information:
5// $Id: TrkDirection.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
6//
7// These enums define standard values for directions along a track.
8// Out is defined as the direction of increasing flight length, physically
9// the direction of energy loss. In is define by decreasing flight length
10// and energy gain.
11//
12// Dave Brown, LBL
13//
14// Copyright Information:
15// Copyright (C) 1997 Lawrence Berkeley Laboratory
16//
17// Revision History:
18// 19991228 M. Kelsey -- Add output operator for symbolic writing.
19//------------------------------------------------------------------------
20
21#include <iosfwd>
22
24
25// Output operator to print "names" instead of numbers
26
27std::ostream& operator<<(std::ostream& os, const trkDirection& dir);
28
29#endif
std::ostream & operator<<(std::ostream &os, const trkDirection &dir)
trkDirection
Definition: TrkDirection.h:23
@ trkOut
Definition: TrkDirection.h:23
@ trkIn
Definition: TrkDirection.h:23