FastWHT<CPU, Dtype>::FastWHT(unsigned int _degree) : degree(_degree) { buf_len = 1 << _degree; wht_tree = wht_get_tree(_degree); InitBuffer(); }
WHT_t<double>(int N) : _N(N) { // TODO check that N is a power of two. _tree = wht_get_tree(ceil(log(N) / log(2))); }