using namespace std;
int main(
int argc,
char**argv) {
Float err_expected = (argc > 1) ? atof(argv[1]) : 1;
err_l2_l2 = 0,
err_linf_linf = 0,
meas_omega = 0;
bool have_meas_omega = false;
dout <<
"# t err_l2(t) err_linf(t)" << endl;
while (
din >> even(t,uh)) {
const geo& omega = uh.get_geo();
if (!have_meas_omega) {
have_meas_omega = true;
}
integrate_option iopt;
iopt.set_order (2*uh.get_space().degree()+1);
err_linf_linf = max(err_linf_linf, err_linf);
err_linf_l2 = max(err_linf_l2, err_l2);
err_l2_l2 += sqr(err_l2);
dout << t <<
" " << err_l2 <<
" " << err_linf << endl;
}
err_l2_l2 = sqrt(err_l2_l2/
n);
dout <<
"# err_l2_l2 = " << err_l2_l2 << endl
<< "# err_linf_l2 = " << err_linf_l2 << endl
<< "# err_linf_linf = " << err_linf_linf << endl;
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
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