Rheolef  7.1
an efficient C++ finite element environment
gauss_chebyschev.icc
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1 #include <cmath>
22 #include <iterator>
23 template <class Size, class OutputIterator1, class OutputIterator2>
24 void gauss_chebyschev (Size R, OutputIterator1 zeta, OutputIterator2 omega) {
25  typedef typename std::iterator_traits<OutputIterator1>::value_type T;
26  static T pi = acos(T(-1.));
27  for (Size r = 0; r < R; r++) {
28  zeta [r] = cos((2*r+1)*pi/(2.*R));
29  omega[r] = pi/T(1.*R);
30  }
31 }
gauss_chebyschev
void gauss_chebyschev(Size R, OutputIterator1 zeta, OutputIterator2 omega)
Definition: gauss_chebyschev.icc:24
T
Expr1::float_type T
Definition: field_expr.h:218