25 for (std::size_t i=0; i<sign_.size(); i++)
26 sign_[i] = (s[i]) ? -1.0 : 1.0;
28 m_[0] = {1/3.0, 1/3.0, 0.0};
29 m_[1] = {1/3.0, 0.0, 1/3.0};
30 m_[2] = { 0.0, 1/3.0, 1/3.0};
31 m_[3] = {1/3.0, 1/3.0, 1/3.0};
32 n_[0] = { 0.0, 0.0, -1.0};
33 n_[1] = { 0.0, -1.0, 0.0};
34 n_[2] = { -1.0, 0.0, 0.0};
35 n_[3] = {1.0/sqrt(3.0), 1.0/sqrt(3.0), 1.0/sqrt(3.0)};
39 c_[3] = sqrt(2.0)/sqrt(3.0);