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Wigner.h

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00001 #ifndef WIGNER_H
00002 #define WIGNER_H
00003 
00004 
00005 // ----------------------------------------------------------------------
00006 //
00007 // Bridge object between C++ code and the GSL logarithm functions
00008 //
00009 // ----------------------------------------------------------------------
00010 
00011 #ifndef ZMENVIRONMENT_H
00012   #include "ZMutility/ZMenvironment.h"
00013 #endif
00014 #include <utility>
00015 
00016 ZM_BEGIN_NAMESPACE( zmsf )      /*  namespace zmsf  {  */
00017 
00018 typedef std::pair<double,double> Dpair;
00019 
00024 
00025 struct Wigner {
00026 
00028   static double ThreeJ( const int two_ja, const int two_jb, const int two_jc,
00029                         const int two_ma, const int two_mb, const int two_mc );
00030 
00032   static Dpair ThreeJErr( const int two_ja, const int two_jb, const int two_jc,
00033                           const int two_ma, const int two_mb, const int two_mc );
00034 
00036   static double ClebschGordan( const int two_ja, const int two_jb, const int two_jc,
00037                                const int two_ma, const int two_mb, const int two_mc );
00038 
00040   static Dpair ClebschGordanErr( const int two_ja, const int two_jb, const int two_jc,
00041                                  const int two_ma, const int two_mb, const int two_mc );
00042 
00044   static double SixJ( const int two_ja, const int two_jb, const int two_jc,
00045                       const int two_jd, const int two_je, const int two_jf );
00046 
00048   static Dpair SixJErr( const int two_ja, const int two_jb, const int two_jc,
00049                         const int two_jd, const int two_je, const int two_jf );
00050 
00052   static double NineJ( const int two_ja, const int two_jb, const int two_jc,
00053                        const int two_jd, const int two_je, const int two_jf,
00054                        const int two_jg, const int two_jh, const int two_ji );
00055 
00057   static Dpair NineJErr( const int two_ja, const int two_jb, const int two_jc,
00058                          const int two_jd, const int two_je, const int two_jf, 
00059                          const int two_jg, const int two_jh, const int two_ji );
00060 
00061 };  // Wigner
00062 
00063 ZM_END_NAMESPACE( zmsf )        /*  }  // namespace zmsf  */
00064 
00065 #endif  /* WIGNER_H */

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