The sinus product function – error analysis for the hybrid discontinuous Galerkin method
using namespace std;
int main(
int argc,
char**argv) {
Float err_linf_expected = (argc > 1) ? atof(argv[1]) : 1e+38;
din >> catchmark(
"u") >> uh
>> catchmark("bar_u") >> bar_uh;
space Xh = uh.get_space();
space Zh = bar_uh.get_space();
geo omega = Zh.get_geo();
size_t d = omega.dimension();
size_t k = Xh.degree();
integrate_option iopt;
iopt.invert = true;
iopt.set_order(2*(k+2)+3);
Float err_linf = eh.max_abs();
iopt.set_order(2);
derr <<
"err_l2 = " << err_l2 << endl
<< "err_linf = " << err_linf << endl;
return (err_linf <= err_linf_expected) ? 0 : 1;
}
field lh(Float epsilon, Float t, const test &v)
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
see the test page for the full documentation
see the test page for the full documentation
The cosinus product function.
int main(int argc, char **argv)
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
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
rheolef - reference manual