PetscViewerBinaryReadAll#

reads from a binary file from all MPI processes, each rank receives its own portion of the data

Synopsis#

#include "petscviewer.h"   
PetscErrorCode PetscViewerBinaryReadAll(PetscViewer viewer, void *data, PetscInt count, PetscCount start, PetscCount total, PetscDataType dtype)

Collective; No Fortran Support

Input Parameters#

viewer - the PETSCVIEWERBINARY viewer
count - local number of items of data to read
start - local start, can be PETSC_DETERMINE
total - global number of items of data to read, can be PETSC_DETERMINE
dtype - type of data to read

Output Parameter#

data - location of data, treated as an array of type indicated by dtype

See Also#

Viewers: Looking at PETSc Objects, PETSCVIEWERBINARY, PetscViewerBinaryOpen(), PetscViewerBinarySetUseMPIIO(), PetscViewerBinaryRead(), PetscViewerBinaryWriteAll()

Level#

advanced

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