PetscViewerReadable

Return a flag whether the viewer can be read from with PetscViewerRead()

Synopsis

#include "petscviewer.h" 
PetscErrorCode PetscViewerReadable(PetscViewer viewer, PetscBool *flg)

Not Collective

Input Parameter

• viewer - the PetscViewer context

Output Parameter

• flg - PETSC_TRUE if the viewer is readable, PETSC_FALSE otherwise

Note

PETSC_TRUE means that viewer’s PetscViewerType supports reading, that is PetscViewerRead(), (this holds e.g. for PETSCVIEWERBINARY) and the viewer is in a mode allowing reading, i.e. PetscViewerFileGetMode() returns one of FILE_MODE_READ, FILE_MODE_UPDATE, FILE_MODE_APPEND_UPDATE.

See Also

Viewers: Looking at PETSc Objects, PetscViewerRead(), PetscViewer, PetscViewerWritable(), PetscViewerCheckReadable(), PetscViewerCreate(), PetscViewerFileSetMode(), PetscViewerFileSetType()

Level

intermediate

Location

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

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