an efficient C++ finite element environment
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Go to the documentation of this file.
30 int main(
int argc,
char**argv) {
32 size_t subdivide = (argc > 1) ? atoi(argv[1]) : 1;
33 Float tol = (argc > 2) ? atof(argv[2]) : 1e-12;
39 dout << setprecision(numeric_limits<Float>::digits10)
40 <<
"# meas_gamma = " << meas_gamma << endl
41 <<
"# equispaced("<<subdivide<<
")" << endl
42 <<
"# t err_l1 v=(m-m0)/m0 m" << endl;
44 Float t = 0, err_linf_l1 = 0,
m0 = 0, v_max = 0;
47 while (
din >> event (t, phi_h)) {
48 omega = phi_h.get_geo();
57 dout << t <<
" " << err_l1/meas_gamma
58 <<
" " << v <<
" " <<
m << endl;
59 err_linf_l1 = max (err_linf_l1, err_l1/meas_gamma);
60 v_max = max (v_max, abs(v));
62 dout <<
"# omega.size = " << omega.size() << endl
63 <<
"# omega.hmin = " << omega.hmin() << endl
64 <<
"# err_linf_l1 = " << err_linf_l1 << endl
65 <<
"# v_max = " << v_max << endl;
66 return (err_linf_l1 < tol && v_max < tol) ? 0 : 1;
int main(int argc, char **argv)
see the field 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
see the integrate_option page for the full documentation
idiststream din
see the diststream page for the full documentation
see the environment page for the full documentation
This file is part of Rheolef.
see the Float page for the full documentation
see the branch page for the full documentation
void set_family(family_type type)
details::field_expr_v2_nonlinear_node_nary< typename details::function_traits< Function >::functor_type,typename details::field_expr_v2_nonlinear_terminal_wrapper_traits< Exprs >::type... > ::type compose(const Function &f, const Exprs &... exprs)
see the compose page for the full documentation
Float heaviside(const Float &x)
odiststream dout(cout)
see the diststream page for the full documentation
see the geo page for the full documentation
The Zalesak slotted disk benchmark – the exact solution.