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da0e9ce3 | 1 | //-------------------------------------------------------------------------- |
2 | // | |
3 | // Environment: | |
4 | // This software is part of the EvtGen package developed jointly | |
5 | // for the BaBar and CLEO collaborations. If you use all or part | |
6 | // of it, please give an appropriate acknowledgement. | |
7 | // | |
8 | // Copyright Information: See EvtGen/COPYRIGHT | |
9 | // Copyright (C) 2000 Caltech, UCSB | |
10 | // | |
11 | // Module: EvtGen/EvtdFunction.hh | |
12 | // | |
13 | // Description:Evaluation of one Wigner d-Functions | |
14 | // | |
15 | // Modification history: | |
16 | // | |
17 | // RYD August 10, 2000 Module created | |
18 | // | |
19 | //------------------------------------------------------------------------ | |
20 | ||
21 | #ifndef EVTDFUNCTIONSINGLE_HH | |
22 | #define EVTDFUNCTIONSINGLE_HH | |
23 | ||
24 | class EvtdFunctionSingle{ | |
25 | ||
26 | public: | |
27 | ||
28 | EvtdFunctionSingle(); | |
29 | ~EvtdFunctionSingle(); | |
30 | ||
31 | void init(int j,int m1,int m2); | |
32 | ||
33 | double d(int j,int m1,int m2,double theta); | |
34 | ||
35 | private: | |
36 | ||
37 | int fact(int n); | |
38 | ||
39 | int _j; | |
40 | int _m1; | |
41 | int _m2; | |
42 | ||
43 | double *_coef; | |
44 | ||
45 | ||
46 | int _kmin; | |
47 | int _kmax; | |
48 | ||
49 | }; | |
50 | ||
51 | #endif | |
52 |