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0ca57c2f | 1 | #ifndef _DecayList_h_included_ |
2 | #define _DecayList_h_included_ | |
3 | ||
4 | /** | |
5 | * @class DecayList | |
6 | * | |
7 | * @brief Storage class for keeping track of TauolaParticles and | |
8 | * their index (as passed to Tauola). | |
9 | * | |
10 | * This class contains a list of TauolaParticles. The index of the | |
11 | * TauolaParticle in the list is passed to FORTRAN TAUOLA (as we can | |
12 | * not pass TauolaParticles directly). A static copy of the class is | |
13 | * used for any run of Tauola and is cleared after each decay generation. | |
14 | * To be compatible with how indicies are used in Tauola, those that are: | |
15 | * - < 0 are relative to some other given position in the list | |
16 | * - = 0 is the position one greater than some given position in the list. | |
17 | * - > 0 are absolute. 1 is the first item (which should generally be | |
18 | * the tau's position) | |
19 | * | |
20 | * @author Nadia Davidson | |
21 | * @date 17 June 2008 | |
22 | */ | |
23 | ||
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <iostream> | |
27 | ||
28 | #include "TauolaParticle.h" | |
29 | ||
30 | using namespace std; | |
31 | ||
32 | namespace Tauolapp | |
33 | { | |
34 | ||
35 | class TauolaParticle; | |
36 | ||
37 | class DecayList { | |
38 | ||
39 | public: | |
40 | /** Return the TauolaParticle corresponding to the index (absolute) | |
41 | in the list of particle */ | |
42 | static TauolaParticle * getParticle(int index); | |
43 | ||
44 | /** Adds the new particle into the list and delete the previous | |
45 | particle at the same position if it exists */ | |
46 | static void updateList(TauolaParticle * new_particle, | |
47 | int index); | |
48 | ||
49 | /** Adds the new particle to the end of list */ | |
50 | static void addToEnd(TauolaParticle * new_particle); | |
51 | ||
52 | /** clear all entries from the list */ | |
53 | static void clear(); | |
54 | ||
55 | /** Translates index (absolute and relative) to | |
56 | absolute index. If a relative index is given (negative integer) | |
57 | it is taken relative from the end of the list */ | |
58 | static int getAbsoluteIndex(int index); | |
59 | ||
60 | /** Translates index (absolute and relative) to | |
61 | absolute index. If a relative index is given (negative integer) | |
62 | it is taken relative to the parameter "neg_index_relative_to" */ | |
63 | static int getAbsoluteIndex(int index, | |
64 | int neg_index_relative_to); | |
65 | ||
66 | /** Return index (absolute) of "particle" */ | |
67 | static int getAbsoluteIndex(TauolaParticle * particle); | |
68 | ||
69 | /** Print the contents of the list */ | |
70 | static void print(); | |
71 | ||
72 | private: | |
73 | /** vector used for TauolaParticle mapping */ | |
74 | static vector<TauolaParticle*> m_particle_list; | |
75 | ||
76 | }; | |
77 | ||
78 | } // namespace Tauolapp | |
79 | #endif |