an efficient C++ finite element environment
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Go to the documentation of this file.
25 int main (
int argc,
char**argv) {
27 Float tol = (argc > 1) ? atof(argv[1]) : 1e-7;
30 const space& Wh = uh.get_space();
37 Float meas_gamma =
m(one,one);
38 Float lambda_e =
m(one,
eh)/meas_gamma;
39 eh =
eh - lambda_e*one;
43 derr <<
"lambda_e = " << lambda_e << endl;
44 derr <<
"err_l2 = " << err_l2 << endl
45 <<
"err_h1 = " << err_h1 << endl
46 <<
"err_linf = " << err_linf << endl;
47 return (err_linf < tol) ? 0 : 1;
rheolef::std enable_if ::type dot const Expr1 expr1, const Expr2 expr2 dot(const Expr1 &expr1, const Expr2 &expr2)
dot(x,y): see the expression page for the full documentation
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
rheolef - reference manual
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
idiststream din
see the diststream page for the full documentation
see the environment 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_s(const Expr &expr)
grad_s(uh): see the expression page for the full documentation
This file is part of Rheolef.
see the test page for the full documentation
odiststream derr(cerr)
see the diststream page for the full documentation
see the Float page for the full documentation
see the test page for the full documentation
The torus benchmark – level set, right-hand-side and exact solution.