PETSc version 3.15.5

PetscDSCopyBoundary

Copy all boundary condition objects to the new problem

#include "petscds.h" 
PetscErrorCode PetscDSCopyBoundary(PetscDS ds, PetscInt numFields, const PetscInt fields[], PetscDS newds)

Not collective

	ds	- The source PetscDS object
	numFields	- The number of selected fields, or PETSC_DEFAULT for all fields
	fields	- The selected fields, or NULL for all fields

newds

- The target PetscDS, now with a copy of the boundary conditions

intermediate