示例#1
0
constexpr
typename std::enable_if<N==N_2*2,recarr<T,N>>::type
fft_helper(recarr<T,N> v, recarr<T,N_2> rofu) {
  return cat(zipWith(sum<T>,fft_helper(condense(v), condense(rofu)),
                            zipWith(product<T>,fft_helper(condense(cshift1(v)),
                                                          condense(rofu)),
                                               rofu)),
             zipWith(sub<T>,fft_helper(condense(v), condense(rofu)),
                            zipWith(product<T>,fft_helper(condense(cshift1(v)),
                                                          condense(rofu)),
                                               rofu)));
}
示例#2
0
文件: cfft.hpp 项目: respu/ctfft
constexpr
typename enable_if<sizeof...(Ts)==(2*sizeof...(Us)),tuple<Ts...>>::type
fft_helper(tuple<Ts...> v, tuple<Us...> rofu) {
  typedef typename pack_head<Ts...>::type T;   // T is usually cx<double>
  return cat(zipWith(sum<T>,fft_helper(condense(v), condense(rofu)),
                            zipWith(product<T>,fft_helper(condense(cshift1(v)),
                                                          condense(rofu)),
                                               rofu)),
             zipWith(sub<T>,fft_helper(condense(v), condense(rofu)),
                            zipWith(product<T>,fft_helper(condense(cshift1(v)),
                                                          condense(rofu)),
                                               rofu)));
}
示例#3
0
文件: Test.cpp 项目: AsAddict/Okasaki
Stream<int> testZip()
{
    List<int> lst1 = { 1, 3, 5, 7 };
    Stream<int> s1 = mkStream<int>(lst1);
    List<int> lst2 = { 10, 20, 30 };
    Stream<int> s2 = mkStream<int>(lst2);
    return zipWith(std::plus<int>{}, s1, s2);
}
示例#4
0
std::forward_list<std::tuple<A,B>> zip (const std::forward_list<A>& L, const std::forward_list<B>& M) 
{
  return zipWith([] (const A& a, const B& b) {return std::make_tuple(a,b);}, L, M);
}