29int main (
int argc,
char **argv) {
31 Float tol = (argc > 1) ? atof(argv[1]) : 1e-10;
36 derr <<
"# t\terror_l2\terror_linf" << endl;
39 Float err_linf_linf = 0;
40 for (
Float t = 0, t_prec = 0; din >> get (t, phi_h); t_prec = t) {
41 const space& Xh = phi_h.get_space();
42 size_t d = Xh.get_geo().dimension();
46 field eh = phi_h - pi_h_phi;
47 Float err_l2 = sqrt(m(eh,eh));
48 Float err_linf = eh.max_abs();
49 err_l2_l2 += sqr(err_l2)*(t - t_prec);
50 err_linf_linf = max(err_linf_linf, err_linf);
51 dout <<
put (t, phi_h, pi_h_phi);
52 derr << t <<
"\t" << err_l2 <<
"\t" << err_linf << endl;
54 derr <<
"# error_l2_l2 = " << sqrt(err_l2_l2) << endl;
55 derr <<
"# error_linf_linf = " << err_linf_linf << endl;
56 return (err_linf_linf <= tol) ? 0 : 1;
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 catchmark page for the full documentation
see the environment 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
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
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
rheolef - reference manual
Convection-diffusion equation – the rotating hill benchmark.