Belle II Software development
SearchDirection.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 <tracking/trackFindingCDC/numerics/EForwardBackward.h>
11#include <framework/logging/Logger.h>
12
13#include <string>
14
15namespace Belle2 {
30 constexpr inline bool arcLengthInRightDirection(double arcLength2D, TrackFindingCDC::EForwardBackward forwardBackward)
31 {
32 return static_cast<double>(forwardBackward) * arcLength2D >= 0;
33 }
34
36 inline TrackFindingCDC::EForwardBackward fromString(const std::string& directionString)
37 {
38 if (directionString == "forward" or directionString == "above" or directionString == "after") {
39 return TrackFindingCDC::EForwardBackward::c_Forward;
40 } else if (directionString == "backward" or directionString == "below" or directionString == "before") {
41 return TrackFindingCDC::EForwardBackward::c_Backward;
42 } else if (directionString == "both" or directionString == "unknown") {
43 return TrackFindingCDC::EForwardBackward::c_Unknown;
44 } else if (directionString == "none" or directionString == "invalid") {
45 return TrackFindingCDC::EForwardBackward::c_Invalid;
46 } else {
47 B2FATAL("Do not understand direction " << directionString << ". Valid names are " <<
48 "forward/above/after, backward/below/before, both/unknown, none/invalid");
49 }
50 }
51
52}
TrackFindingCDC::EForwardBackward fromString(const std::string &directionString)
Helper function to turn a direction string into a valid forward backward information.
constexpr bool arcLengthInRightDirection(double arcLength2D, TrackFindingCDC::EForwardBackward forwardBackward)
Given the calculated arc length between a start point and an end point, checks if the travelled path ...
Abstract base class for different kinds of events.