PetscOptionsRestoreViewer

restore a PetscViewer obtained from PetscOptionsGetViewer() or PetscOptionsGetViewers()

Synopsis

#include "petscviewer.h" 
PetscErrorCode PetscOptionsRestoreViewer(PetscViewer *viewer)

Collective

Input Parameter

• viewer - the viewer

Developer Note

This function exists to handle persistent viewers such as PETSC_VIEWER_STDOUT_SELF that may be shared between threads where changing the reference count would not be thread safe.

See Also

Viewers: Looking at PETSc Objects, PetscOptionsGetViewer(), PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(), PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsBool() PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHeadBegin(), PetscOptionsStringArray(), PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsBoolGroupBegin(), PetscOptionsBoolGroup(), PetscOptionsBoolGroupEnd(), PetscOptionsFList(), PetscOptionsEList(), PetscOptionsPushGetViewerOff(), PetscOptionsPopGetViewerOff(), PetscOptionsGetViewerOff()

Level

intermediate

Location

src/sys/classes/viewer/interface/viewreg.c

Examples

src/ts/tutorials/ex53.c
src/snes/tutorials/ex36.c
src/snes/tutorials/ex56.c
src/snes/tutorials/ex17.c
src/snes/tutorials/ex62.c
src/sys/classes/viewer/tutorials/ex2.c
src/vec/vec/utils/tagger/tutorials/ex1.c

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