Returns an empty vector. You can pass this to Solver::visualize_field_tecplot if you just want to visualize the position. More...

#include <Spacetime_func.hpp>

Inheritance diagram for hexed::Empty_func:

Public Member Functions
int	n_var (int n_dim) const override
	number of output variables when called on `n_dim`-dimensional input

std::vector< double >	operator() (std::vector< double > pos, double time) const override

Public Member Functions inherited from hexed::Spacetime_func
std::vector< double >	operator() (std::vector< double > pos, double time, std::vector< double > state) const override

Public Member Functions inherited from hexed::Domain_func
std::vector< double >	operator() (Element &, const Basis &, int i_qpoint, double time) const override

std::vector< double >	operator() (std::vector< double > pos, double time, std::vector< double > state, std::vector< double > outward_normal) const override
	`normal` is surface unit normal vector pointing out of the surface (into the domain).

Public Member Functions inherited from hexed::Output_data
virtual std::string	variable_name (int n_dim, int i_var) const
	name of `i_var`th variable (for plotting) when called on `n_dim`-dimensional input

Public Member Functions inherited from hexed::Surface_func
std::vector< double >	operator() (Boundary_connection &, int i_fqpoint, double time) const override