petsc-3.11.4 2019-09-28
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PetscViewerBinaryRead

Reads from a binary file, all processors get the same result

Synopsis

#include "petscviewer.h"   
PetscErrorCode PetscViewerBinaryRead(PetscViewer viewer,void *data,PetscInt num,PetscInt *count,PetscDataType dtype)
Collective on MPI_Comm

Input Parameters

viewer - the binary viewer
data - location of the data to be written
num - number of items of data to read
dtype - type of data to read

Output Parameters

count -number of items of data actually read, or NULL. Unless an error is generated this is always set to the input parameter num.

Developer Note: Since count is always set to num it is not clear what purpose the output argument count serves.

See Also

PetscViewerASCIIOpen(), PetscViewerPushFormat(), PetscViewerDestroy(),
VecView(), MatView(), VecLoad(), MatLoad(), PetscViewerBinaryGetDescriptor(), PetscViewerBinaryGetInfoPointer(), PetscFileMode, PetscViewer, PetscBinaryViewerRead()

Level

beginner

Location

src/sys/classes/viewer/impls/binary/binv.c
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages