include/mask/binomial.hh
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00001 00010 #ifndef BINOMIAL_HH 00011 #define BINOMIAL_HH 00012 00013 00014 namespace mask{ 00015 00025 template<unsigned int N, unsigned int K> 00026 struct Binomial{ 00027 static const unsigned int val = Binomial<N-1,K>::val + Binomial<N-1,K-1>::val; 00028 }; 00029 00031 template<unsigned int N> 00032 struct Binomial<N,0>{ 00033 static const unsigned int val = 1; 00034 }; 00035 00037 template<unsigned int K> 00038 struct Binomial<0,K>{ 00039 static const unsigned int val = 0; 00040 }; 00041 00047 template<> 00048 struct Binomial<0,0>{ 00049 static const unsigned int val = 1; 00050 }; 00051 00052 00053 }//namespace mask 00054 00055 #endif //BINOMIAL_HH
