petsc-3.14.6 2021-03-30

DMLabelGetValue

Return the value a label assigns to a point, or the label's default value (which is initially -1, and can be changed with DMLabelSetDefaultValue())

#include "petscdmlabel.h"   
#include "petscsection.h"   
PetscErrorCode DMLabelGetValue(DMLabel label, PetscInt point, PetscInt *value)

Not collective

	label	- the DMLabel
	point	- the point

value

- The point value, or the default value (-1 by default)

intermediate