Belle II Software  release-08-01-10
ERightLeft.h
1 /**************************************************************************
2  * basf2 (Belle II Analysis Software Framework) *
3  * Author: The Belle II Collaboration *
4  * *
5  * See git log for contributors and copyright holders. *
6  * This file is licensed under LGPL-3.0, see LICENSE.md. *
7  **************************************************************************/
8 #pragma once
9 
10 #include <cstdlib> // for abs
11 #include <climits>
12 
13 namespace Belle2 {
19  namespace TrackFindingCDC {
20 
22  namespace NRightLeft {
23 
25  enum ERightLeft : signed short {
26 
28  c_Right = 1,
29 
31  c_Unknown = 0,
32 
34  c_Left = -1,
35 
37  c_Invalid = SHRT_MIN,
38  };
39 
41  inline ERightLeft reversed(ERightLeft eRightLeft)
42  { return ERightLeft(-eRightLeft); }
43 
45  inline bool isValid(ERightLeft eRightLeft)
46  { return std::abs(eRightLeft) <= 1; }
47  }
48 
50  using ERightLeft = NRightLeft::ERightLeft;
51 
52  }
54 }
ERightLeft
Enumeration to represent the distinct possibilities of the right left passage.
Definition: ERightLeft.h:25
@ c_Invalid
Constant for an invalid passage information.
Definition: ERightLeft.h:37
@ c_Left
Constant for left passage.
Definition: ERightLeft.h:34
@ c_Right
Constant for right passage.
Definition: ERightLeft.h:28
@ c_Unknown
Constant for an not yet determined right left passage.
Definition: ERightLeft.h:31
ERightLeft reversed(ERightLeft eRightLeft)
Return the reversed right left indicator. Leaves ERightLeft::c_Invalid the same.
Definition: ERightLeft.h:41
bool isValid(ERightLeft eRightLeft)
Check whether the given enum instance is one of the valid values.
Definition: ERightLeft.h:45
Abstract base class for different kinds of events.