75 typedef typename LB::Traits::RangeFieldType Scalar;
76 typename F::Traits::RangeType y;
79 fill(out.begin(), out.end(), 0.0);
82 const Dune::QuadratureRule<Scalar,1>& rule = Dune::QuadratureRules<Scalar,1>::rule(Dune::GeometryType(Dune::GeometryType::simplex,1), qOrder);
84 for (
typename Dune::QuadratureRule<Scalar,1>::const_iterator it=rule.begin(); it!=rule.end(); ++it)
86 Scalar qPos = it->position();
87 typename LB::Traits::DomainType localPos;
91 f.evaluate(localPos, y);
92 out[0] += (y[0]*n0[0] + y[1]*n0[1])*it->weight()*sign0/c0;
93 out[3] += (y[0]*n0[0] + y[1]*n0[1])*(2.0*qPos - 1.0)*it->weight()/c0;
97 f.evaluate(localPos, y);
98 out[1] += (y[0]*n1[0] + y[1]*n1[1])*it->weight()*sign1/c1;
99 out[4] += (y[0]*n1[0] + y[1]*n1[1])*(1.0 - 2.0*qPos)*it->weight()/c1;
101 localPos[0] = 1.0 - qPos;
103 f.evaluate(localPos, y);
104 out[2] += (y[0]*n2[0] + y[1]*n2[1])*it->weight()*sign2/c2;
105 out[5] += (y[0]*n2[0] + y[1]*n2[1])*(2.0*qPos - 1.0)*it->weight()/c2;