29 int main(
int argc,
char**argv) {
31 Float err_expected = (argc > 1) ? atof(argv[1]) : 1;
36 Float err_linf_l2 = 0,
41 bool have_meas_omega =
false;
42 dout <<
"# t err_l2(t) err_linf(t)" << endl;
43 while (
din >> even(t,uh)) {
44 const geo& omega = uh.get_geo();
45 if (!have_meas_omega) {
47 have_meas_omega =
true;
50 iopt.
set_order (2*uh.get_space().degree()+1);
54 err_linf_linf = max(err_linf_linf, err_linf);
55 err_linf_l2 = max(err_linf_l2, err_l2);
56 err_l2_l2 += sqr(err_l2);
57 dout << t <<
" " << err_l2 <<
" " << err_linf << endl;
60 err_l2_l2 = sqrt(err_l2_l2/
n);
61 dout <<
"# err_l2_l2 = " << err_l2_l2 << endl
62 <<
"# err_linf_l2 = " << err_linf_l2 << endl
63 <<
"# err_linf_linf = " << err_linf_linf << endl;
64 return (err_linf_l2 <= err_expected) ? 0 : 1;
int main(int argc, char **argv)
The diffusive Burgers equation – its exact solution.
see the Float page for the full documentation
see the branch page for the full documentation
see the field page for the full documentation
see the geo 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
idiststream din
see the diststream page for the full documentation
odiststream dout(cout)
see the diststream page for the full documentation
field_basic< Float > field
see the field page for the full documentation
This file is part of Rheolef.
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
rheolef - reference manual