PETSc version 3.15.5
PetscViewerRead
Reads data from a PetscViewer 
Synopsis
#include "petscviewer.h" 
PetscErrorCode  PetscViewerRead(PetscViewer viewer, void *data, PetscInt num, PetscInt *count, PetscDataType dtype)
Collective
Input Parameters
|  | viewer | - The viewer | 
|  | data | - Location to write the data | 
|  | num | - Number of items of data to read | 
|  | datatype | - Type of data to read | 
Output Parameters
|  | count | - number of items of data actually read, or NULL | 
Notes
If datatype is PETSC_STRING and num is negative, reads until a newline character is found,
until a maximum of (-num - 1) chars.
See Also
 PetscViewerASCIIOpen(), PetscViewerPushFormat(), PetscViewerDestroy(),
VecView(), MatView(), VecLoad(), MatLoad(), PetscViewerBinaryGetDescriptor(),
PetscViewerBinaryGetInfoPointer(), PetscFileMode, PetscViewer
Level
beginner
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