57 typedef typename LB::Traits::RangeFieldType Scalar;
58 typedef typename LB::Traits::DomainFieldType Vector;
61 fill(out.begin(), out.end(), 0.0);
64 const auto& rule1 = QuadratureRules<Scalar,1>::rule(GeometryTypes::cube(1), qOrder);
66 for (
auto&& qp : rule1)
68 Scalar qPos = qp.position();
69 typename LB::Traits::DomainType localPos = {0.0, qPos};
72 out[0] += (y[0]*n_[0][0] + y[1]*n_[0][1])*qp.weight()*sign_[0];
73 out[1] += (y[0]*n_[0][0] + y[1]*n_[0][1])*(2.0*qPos - 1.0)*qp.weight();
75 localPos = {1.0, qPos};
77 out[2] += (y[0]*n_[1][0] + y[1]*n_[1][1])*qp.weight()*sign_[1];
78 out[3] += (y[0]*n_[1][0] + y[1]*n_[1][1])*(1.0 - 2.0*qPos)*qp.weight();
80 localPos = {qPos, 0.0};
82 out[4] += (y[0]*n_[2][0] + y[1]*n_[2][1])*qp.weight()*sign_[2];
83 out[5] += (y[0]*n_[2][0] + y[1]*n_[2][1])*(1.0 - 2.0*qPos)*qp.weight();
85 localPos = {qPos, 1.0};
87 out[6] += (y[0]*n_[3][0] + y[1]*n_[3][1])*qp.weight()*sign_[3];
88 out[7] += (y[0]*n_[3][0] + y[1]*n_[3][1])*(2.0*qPos - 1.0)*qp.weight();
91 const auto& rule2 = QuadratureRules<Vector,2>::rule(GeometryTypes::cube(2), qOrder);
93 for (
auto&& qp : rule2)
95 auto qPos = qp.position();
98 out[8] += y[0]*qp.weight();
99 out[9] += y[1]*qp.weight();
100 out[10] += y[0]*qPos[1]*qp.weight();
101 out[11] += y[1]*qPos[0]*qp.weight();