25 typedef typename std::iterator_traits<OutputIterator1>::value_type
T;
26 static T pi = acos(
T(-1.));
28 omega [0] = pi/
T(2.*R-2);
29 for (Size r = 1; r < R-1; r++) {
30 zeta [r] = cos(r*pi/
T(R-1.));
31 omega[r] = pi/
T(R-1.);
34 omega [R-1] = pi/
T(2.*R-2);