petsc-3.5.4 2015-05-23

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PCFieldSplitGetIS

Retrieves the elements for a field as an IS

Synopsis

#include "petscpc.h" 
PetscErrorCode PCFieldSplitGetIS(PC pc,const char splitname[],IS *is)

Logically Collective on PC

Input Parameters

	pc	- the preconditioner context
	splitname	- name of this split

Output Parameter

is -the index set that defines the vector elements in this field, or NULL if the field is not found

See Also

PCFieldSplitGetSubKSP(), PCFIELDSPLIT, PCFieldSplitSetIS()

Level:intermediate
Location:src/ksp/pc/impls/fieldsplit/fieldsplit.c
Index of all PC routines
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Index of all manual pages