79 typedef typename LB::Traits::RangeFieldType Scalar;
81 typename F::Traits::RangeType y;
84 fill(out.begin(), out.end(), 0.0);
87 const QuadratureRule<Scalar,1>& rule = QuadratureRules<Scalar,1>::rule(GeometryType(GeometryType::cube,1), qOrder);
89 for (
typename QuadratureRule<Scalar,1>::const_iterator it = rule.begin();
90 it != rule.end(); ++it)
92 Scalar qPos = it->position();
93 typename LB::Traits::DomainType localPos;
97 f.evaluate(localPos, y);
98 out[0] += (y[0]*n0[0] + y[1]*n0[1])*it->weight()*sign0;
99 out[1] += (y[0]*n0[0] + y[1]*n0[1])*(2.0*qPos - 1.0)*it->weight();
103 f.evaluate(localPos, y);
104 out[2] += (y[0]*n1[0] + y[1]*n1[1])*it->weight()*sign1;
105 out[3] += (y[0]*n1[0] + y[1]*n1[1])*(1.0 - 2.0*qPos)*it->weight();
109 f.evaluate(localPos, y);
110 out[4] += (y[0]*n2[0] + y[1]*n2[1])*it->weight()*sign2;
111 out[5] += (y[0]*n2[0] + y[1]*n2[1])*(1.0 - 2.0*qPos)*it->weight();
115 f.evaluate(localPos, y);
116 out[6] += (y[0]*n3[0] + y[1]*n3[1])*it->weight()*sign3;
117 out[7] += (y[0]*n3[0] + y[1]*n3[1])*(2.0*qPos - 1.0)*it->weight();
122 typename LB::Traits::RangeFieldType sign0, sign1, sign2, sign3;
123 typename LB::Traits::DomainType n0, n1, n2, n3;