DMHasNamedLocalVector — PETSc 3.21.4 documentation

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# DMHasNamedLocalVector

check for a named, persistent local vector created with `DMGetNamedLocalVector()`

## Synopsis

    #include "petscdm.h"
    PetscErrorCode DMHasNamedLocalVector(DM dm, const char *name, PetscBool *exists)

Not Collective

## Input Parameters

- dm - `DM` to hold named vectors

- name - unique name for `Vec`

## Output Parameter

- exists - true if the vector was previously created

## Note

If a `Vec` with the given name does not exist, it is created.

## See Also

`DM`, `DMGetNamedGlobalVector()`, `DMRestoreNamedLocalVector()`, `DMClearNamedLocalVectors()`

## Level

developer

## Location

src/dm/interface/dmget.c

Index of all DM routines
Table of Contents for all manual pages
Index of all manual pages