30int main(
int argc,
char**argv) {
32 Float err_linf_expected = (argc > 1) ? atof(argv[1]) : 1e+38;
33 bool with_u = (argc <= 2) || argv[2] !=
string(
"-us");
34 bool with_sigma = ((argc <= 2) || argv[2] !=
string(
"-no-sigma")) && with_u;
35 field uh, lambda_h, sigma_h;
45 space Xh = uh.get_space();
46 geo omega = Xh.get_geo();
47 size_t k = Xh.degree();
48 size_t d = omega.dimension();
53 string opts = Xh.get_basis().option().stamp();
54 space Xh1 (omega,
"P"+to_string(k+1)+
"d"+opts);
56 Float err_u_linf = euh.max_abs();
59 derr <<
"err_u_l2 = " << err_u_l2 << endl
60 <<
"err_u_linf = " << err_u_linf << endl
61 <<
"err_u_h1 = " << err_u_h1 << endl;
64 space Th1 (omega,
"P"+to_string(k+1)+
"d"+opts,
"vector");
66 Float err_sigma_linf = esh.max_abs();
67 derr <<
"err_sigma_l2 = " << err_sigma_l2 << endl
68 <<
"err_sigma_linf = " << err_sigma_linf << endl;
70 if (!lambda_h.get_space().get_basis().option().is_trace_n()) {
71 space Mh = lambda_h.get_space();
77 pms.solve (kh, ph_lambda);
79 derr <<
"err_lambda_l2 = " << err_lambda_l2 << endl;
81 return (err_u_linf <= err_linf_expected) ? 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
see the problem page for the full documentation
see the catchmark page for the full documentation
see the environment page for the full documentation
see the integrate_option page for the full documentation
void set_family(family_type type)
see the space page for the full documentation
see the test page for the full documentation
see the test page for the full documentation
The cosinus product function.
The cosinus product function – its gradient.
This file is part of Rheolef.
field_basic< T, M > lazy_interpolate(const space_basic< T, M > &X2h, 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
std::enable_if< details::has_field_rdof_interface< Expr >::value, details::field_expr_v2_nonlinear_terminal_field< typenameExpr::scalar_type, typenameExpr::memory_type, details::differentiate_option::gradient > >::type grad_h(const Expr &expr)
grad_h(uh): see the expression page for the full documentation
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
details::field_expr_v2_nonlinear_terminal_function< details::h_local_pseudo_function< Float > > h_local()
h_local: see the expression page for the full documentation
rheolef - reference manual