t8_geometry_lagrange.hxx File Reference

This geometry implements curved geometries obtained by Lagrange interpolation. More...

#include <array>
#include <string>
#include <vector>
#include <t8.h>
#include <t8_cmesh/t8_cmesh_types.h>
#include <t8_forest/t8_forest_general.h>
#include <t8_geometry/t8_geometry_with_vertices.hxx>
#include <t8_geometry/t8_geometry_with_vertices.h>

Go to the source code of this file.

Data Structures
struct	t8_geometry_lagrange
	Mapping with Lagrange basis functions. More...
class	t8_lagrange_element
	A single coarse mesh cell with Lagrange geometry. More...

Macros
#define	T8_GEOMETRY_MAX_POLYNOMIAL_DEGREE   2

Functions
template<typename T >
std::vector< T >	flatten (const std::vector< std::vector< T >> &vec)
	Flatten a vector of vector into a single vector. More...

Detailed Description

This geometry implements curved geometries obtained by Lagrange interpolation.

The interpolation is carried out with the classical finite element basis functions. Therefore, it is the generalization of the linear geometry (t8_geometry_linear).

Function Documentation

flatten()

template<typename T >

std::vector<T> flatten

(

const std::vector< std::vector< T >> &

vec

)

Flatten a vector of vector into a single vector.

Template Parameters

T	Template parameter of a vector.

Parameters

vec	Nested vector to be flattened.

Returns

Flattened vector.