PetscOptionsGetViewerOff

does PetscOptionsGetViewer() return a viewer?

Synopsis

#include "petscviewer.h" 
PetscErrorCode PetscOptionsGetViewerOff(PetscBool *flg)

Logically Collective

Output Parameter

• flg - whether viewers are returned.

Note

Calling XXXViewFromOptions in an inner loop can be very expensive. This can appear, for example, when using many small subsolves.

See Also

Viewers: Looking at PETSc Objects, PetscOptionsGetViewer(), PetscOptionsPushGetViewerOff(), PetscOptionsPopGetViewerOff()

Level

developer

Location

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

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