using namespace std;
int main (
int argc,
char **argv) {
Float tol = (argc > 1) ? atof(argv[1]) : 1e-10;
din >> catchmark(
"nu") >>
nu;
derr <<
"# t\terror_l2\terror_linf" << endl;
for (
Float t = 0, t_prec = 0;
din >> get (t, phi_h); t_prec = t) {
const space& Xh = phi_h.get_space();
size_t d = Xh.get_geo().dimension();
err_l2_l2 += sqr(err_l2)*(t - t_prec);
err_linf_linf = max(err_linf_linf, err_linf);
derr << t <<
"\t" << err_l2 <<
"\t" << err_linf << endl;
}
derr <<
"# error_l2_l2 = " << sqrt(err_l2_l2) << endl;
derr <<
"# error_linf_linf = " << err_linf_linf << endl;
return (err_linf_linf <= tol) ? 0 : 1;
}
Float phi(const point &nu, Float a, Float b)
see the Float page for the full documentation
see the branch page for the full documentation
see the field 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
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
int main(int argc, char **argv)
This file is part of Rheolef.
void put(std::ostream &out, std::string name, const tiny_matrix< T > &a)
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
Convection-diffusion equation – the rotating hill benchmark.