28 <<
"[-|file[.field[.gz]]] "
36 const space& Xh = uh.get_space();
51 const space& Xh = rh.get_space();
54 Float res = sqrt(
m(rh,rh));
55 derr <<
"check: residue = " << res << endl;
56 check_macro (res < 1e-3,
"unexpected residue");
59 const space& Xh = uh.get_space();
60 if (uh.get_approx() ==
"P1")
return interpolate (Xh, abs(uh));
68 int main(
int argc,
char**argv) {
70 if (argc < 3)
usage(argv[0]);
73 if (
string (argv[1]) ==
"-") {
77 in.open(argv[1],
"field");
80 for (
int i = 2; i < argc; i++) {
81 if (strcmp (argv[i],
"-check") == 0) {
check (
p, uh); }
85 derr << argv[0] <<
": unknown option \'" << argv[i] <<
"'" << endl;
field lh(Float epsilon, Float t, const test &v)
see the Float page for the full documentation
see the field page for the full documentation
see the problem page for the full documentation
see the catchmark page for the full documentation
see the environment page for the full documentation
idiststream din
see the diststream page for the full documentation
odiststream dout(cout)
see the diststream page for the full documentation
odiststream derr(cerr)
see the diststream page for the full documentation
see the space page for the full documentation
see the test page for the full documentation
see the test page for the full documentation
The p-Laplacian problem – the eta function.
This file is part of Rheolef.
T norm(const vec< T, M > &x)
norm(x): see the expression 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
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
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
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
T norm2(const vec< T, M > &x)
norm2(x): see the expression page for the full documentation
space_mult_list< T, M > pow(const space_basic< T, M > &X, size_t n)
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
field residue(Float p, const field &uh)
int main(int argc, char **argv)
field criteria(Float p, const field &uh)
void check(Float p, const field &uh)
void load(idiststream &in, Float &p, field &uh)
rheolef - reference manual