an efficient C++ finite element environment
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25 int main(
int argc,
char**argv) {
27 Float tol = (argc > 1) ? atof(argv[1]) : 1e-10;
31 const space& Xh = uh.get_space(),
33 const geo& omega = Xh.get_geo();
34 size_t k = Xh.degree();
45 derr <<
"err_l2_u = " << err_l2_u << endl;
46 return (err_l2_u < tol) ? 0 : 1;
see the catchmark page for the full documentation
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
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::gradient >>::type grad(const Expr &expr)
grad(uh): see the expression page for the full documentation
point u_exact(const point &x)
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
T ddot(const tensor_basic< T > &a, const tensor_basic< T > &b)
ddot(x,y): see the expression page for the full documentation
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
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
point_basic< Float > point
see the point page for the full documentation
see the test page for the full documentation
int main(int argc, char **argv)
see the geo page for the full documentation