3 #ifndef DUNE_RT0TRIANGLELOCALBASIS_HH
4 #define DUNE_RT0TRIANGLELOCALBASIS_HH
6 #include <dune/common/fmatrix.hh>
20 template<
class D,
class R>
30 sign0 = sign1 = sign2 = 1.0;
36 sign0 = sign1 = sign2 = 1.0;
37 if (s&1) sign0 = -1.0;
38 if (s&2) sign1 = -1.0;
39 if (s&4) sign2 = -1.0;
50 std::vector<typename Traits::RangeType>& out)
const
53 out[0][0] = sign0*in[0]; out[0][1]=sign0*(in[1]-1.0);
54 out[1][0] = sign1*(in[0]-1.0); out[1][1]=sign1*in[1];
55 out[2][0] = sign2*in[0]; out[2][1]=sign2*in[1];
61 std::vector<typename Traits::JacobianType>& out)
const
64 out[0][0][0] = sign0; out[0][0][1] = 0;
65 out[0][1][0] = 0; out[0][1][1] = sign0;
66 out[1][0][0] = sign1; out[1][0][1] = 0;
67 out[1][1][0] = 0; out[1][1][1] = sign1;
68 out[2][0][0] = sign2; out[2][0][1] = 0;
69 out[2][1][0] = 0; out[2][1][1] = sign2;
79 R sign0, sign1, sign2;