Function t8_element_face_get_parent_face

• Defined in File t8_scheme.h

Function Documentation

int t8_element_face_get_parent_face(const t8_scheme_c *scheme, const t8_eclass_t tree_class, const t8_element_t *element, const int face)

Given a face of an element return the face number of the parent of the element that matches the element’s face.

Or return -1 if no face of the parent matches the face.

Note

For the root element this function always returns face.

Parameters:

• scheme – [in] The scheme of the forest.

• tree_class – [in] The eclass of tree the elements are part of.

• element – [in] The element.

• face – [in] Then number of the face.

Returns:

If face of element is also a face of element’s parent, the face number of this face. Otherwise -1.