Rheolef  7.2
an efficient C++ finite element environment
 
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gauss_chebyschev.icc
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1
21#include <cmath>
22#include <iterator>
23template <class Size, class OutputIterator1, class OutputIterator2>
24void 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}
Expr1::float_type T
Definition field_expr.h:230
void gauss_chebyschev(Size R, OutputIterator1 zeta, OutputIterator2 omega)