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 Float err_us_s_h1_expected = (argc > 1) ? atof(argv[1]) : 1e+38;
35 geo omega = uhs.get_geo();
36 space Xhs = uhs.get_space();
37 size_t d = omega.dimension(), kp1 = Xhs.degree();
43 derr <<
"err_us_l2 = " << err_us_l2 << endl
44 <<
"err_us_h1 = " << err_us_h1 << endl;
49 derr <<
"err_us_s_l2 = " << err_us_s_l2 << endl
50 <<
"err_us_s_h1 = " << err_us_s_h1 << endl;
52 return (err_us_h1 < err_us_s_h1_expected) ? 0 : 1;
The sinus product function.
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
see the space page for the full documentation
rheolef - reference manual
T norm2(const vec< T, M > &x)
norm2(x): see the expression page for the full documentation
see the integrate_option page for the full documentation
The sinus product function – its gradient.
std::enable_if< details::is_field_expr_v2_variational_arg< Expr >::value,details::field_expr_quadrature_on_sides< Expr > >::type on_local_sides(const Expr &expr)
on_local_sides(expr): see the expression 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.
int main(int argc, char **argv)
odiststream derr(cerr)
see the diststream page for the full documentation
see the Float page for the full documentation
std::enable_if< details::is_field_convertible< Expr >::value,details::field_expr_v2_nonlinear_terminal_field< typename Expr::scalar_type,typename Expr::memory_type,details::differentiate_option::gradient >>::type grad_h(const Expr &expr)
grad_h(uh): see the expression page for the full documentation
see the geo page for the full documentation