3 const double M_PI=3.14159265358979323846;
5 template<int N,int I,int J,int K>
6 inline double SineSeries()
8 const double x=I*2*M_PI/N;
10 return 1.0-x*x/(2*K+2)/(2*K+3)*SineSeries<N*go,I*go,J*go,(K+1)*go>();
14 inline double SineSeries<0,0,0,0>()
22 const double x=(I*2*M_PI/N);
23 return x * SineSeries<N,I,10,0>();
28 double f=Sine<32,5>();