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
PetscViewercontext
Output Parameter#
flg -
PETSC_TRUEif the viewer is readable,PETSC_FALSEotherwise
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
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages