petsc-3.12.5 2020-03-29
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PetscViewerReadable

 Return a flag whether the viewer can be read from

Synopsis

#include "petscviewer.h" 
PetscErrorCode  PetscViewerReadable(PetscViewer viewer, PetscBool *flg)
Not Collective

Input Parameters

viewer -the PetscViewer context

Output Parameters

flg -PETSC_TRUE if the viewer is readable, PETSC_FALSE otherwise

Notes

PETSC_TRUE means that viewer's PetscViewerType supports reading (this holds e.g. for PETSCVIEWERBINARY) and 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

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