using namespace std;
int main(
int argc,
char**argv) {
Float tol = (argc > 1) ? atof(argv[1]) : 1e-10;
din >> catchmark(
"sigma") >> sigma_h;
const geo& omega = sigma_h.get_geo();
size_t k = sigma_h.get_space().degree();
integrate_option iopt;
iopt.set_order(3*(k+1));
space Th1 (omega,
"P"+
itos(3*(k+1)),
"tensor");
Float err_linf = eh.max_abs();
derr <<
"err_l2 = " << err_l2 << endl
<< "err_linf = " << err_linf << endl;
return (err_l2 < tol) ? 0 : 1;
}
see the Float page for the full documentation
see the field page for the full documentation
see the geo page for the full documentation
idiststream din(cin)
see the diststream page for the full documentation
odiststream derr(cerr)
see the diststream page for the full documentation
see the space page for the full documentation
int main(int argc, char **argv)
The tensorial diffusion benchmark – right-hand-side and exact solution.
This file is part of Rheolef.
std::string itos(std::size_t i)
std::enable_if< details::is_field_expr_v2_nonlinear_arg< Expr >::value &&! is_undeterminated< Result >::value, Result >::type integrate(const geo_basic< T, M > &omega, const Expr &expr, const integrate_option &iopt, Result dummy=Result())
see the integrate page for the full documentation
field_basic< T, M > interpolate(const space_basic< T, M > &V2h, const field_basic< T, M > &u1h)
see the interpolate page for the full documentation
T norm2(const vec< T, M > &x)
norm2(x): see the expression page for the full documentation
rheolef - reference manual