an efficient C++ finite element environment
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Go to the documentation of this file.
29 int main(
int argc,
char**argv) {
31 Float err_p_l2_valid = (argc > 1) ? atof(argv[1]) : 1;
32 Float err_p_div_l2_valid = (argc > 2) ? atof(argv[2]) : 1;
34 din >> p_Vh_u >> pi_h_u;
35 const geo& omega = p_Vh_u.get_geo();
36 const space& Vh = p_Vh_u.get_space();
37 size_t d = omega.dimension();
38 size_t k = Vh.get_basis().family_index();
45 dout <<
"err_p_l2 = " << err_p_l2 << endl
46 <<
"err_i_l2 = " << err_i_l2 << endl
47 <<
"err_p_div_l2 = " << err_p_div_l2 << endl
48 <<
"err_i_div_l2 = " << err_i_div_l2 << endl;
49 return (err_p_l2 <= err_p_l2_valid && err_p_div_l2 <= err_p_div_l2_valid) ? 0: 1;
The cosinus vector function.
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
see the space 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::divergence >>::type div_h(const Expr &expr)
div_h(uh): see the expression 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
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
odiststream dout(cout)
see the diststream page for the full documentation
see the geo page for the full documentation