virtual scalar value(int n, double *wt, Func<scalar> *u_ext[], Func<double> *u,
Func<double> *v, Geom<double> *e, ExtData<scalar> *ext) const {
scalar result = 0;
for (int i=0; i < n; i++) {
double x = e->x[i];
double y = e->y[i];
result += (a_11(x, y)*u->dx[i]*v->dx[i] +
a_12(x, y)*u->dy[i]*v->dx[i] +
a_21(x, y)*u->dx[i]*v->dy[i] +
a_22(x, y)*u->dy[i]*v->dy[i] +
a_1(x, y)*u->dx[i]*v->val[i] +
a_2(x, y)*u->dy[i]*v->val[i] +
a_0(x, y)*u->val[i]*v->val[i]) * wt[i];
}
return result;
}
Scalar bilinear_form(int n, double *wt, Func<Real> *u, Func<Real> *v, Geom<Real> *e, ExtData<Scalar> *ext)
{
Scalar result = 0;
for (int i=0; i < n; i++) {
double x = e->x[i];
double y = e->y[i];
result += (a_11(x, y)*u->dx[i]*v->dx[i] +
a_12(x, y)*u->dy[i]*v->dx[i] +
a_21(x, y)*u->dx[i]*v->dy[i] +
a_22(x, y)*u->dy[i]*v->dy[i] +
a_1(x, y)*u->dx[i]*v->val[i] +
a_2(x, y)*u->dy[i]*v->val[i] +
a_0(x, y)*u->val[i]*v->val[i]) * wt[i];
}
return result;
}
double CustomWeakFormGeneral::MatrixFormVolGeneral::value(int n, double *wt, Func<double> *u_ext[], Func<double> *u,
Func<double> *v, Geom<double> *e, Func<double> **ext) const
{
double result = 0;
for (int i=0; i < n; i++) {
double x = e->x[i];
double y = e->y[i];
result += (a_11(x, y) * u->dx[i] * v->dx[i] +
a_12(x, y) * u->dy[i] * v->dx[i] +
a_21(x, y) * u->dx[i] * v->dy[i] +
a_22(x, y) * u->dy[i] * v->dy[i] +
a_1(x, y) * u->dx[i] * v->val[i] +
a_2(x, y) * u->dy[i] * v->val[i] +
a_0(x, y) * u->val[i] * v->val[i]) * wt[i];
}
return result;
}
