petsc-3.12.5 2020-03-29
PetscViewerHDF5ReadSizes
Read block size and global size of a vector (Vec or IS) stored in an HDF5 file.
Synopsis
#include "petsclayoutdf5.h"
#include "petscis.h"
PetscErrorCode PetscViewerHDF5ReadSizes(PetscViewer viewer, const char name[], PetscInt *bs, PetscInt *N)
Input Parameters
| viewer | - The HDF5 viewer
|
| name | - The dataset name
|
Output Parameter
| bs | - block size
|
| N | - global size
|
Notes
The dataset is stored as an HDF5 dataspace with 1-4 dimensions in the order
1) # timesteps (optional), 2) # blocks, 3) # elements per block (optional), 4) real and imaginary part (only for complex).
The dataset can be stored as a 2D dataspace even if its blocksize is 1; see PetscViewerHDF5SetBaseDimension2().
See Also
PetscViewerHDF5Open(), VecLoad(), ISLoad(), VecGetSize(), ISGetSize(), PetscViewerHDF5SetBaseDimension2()
Level
advanced
Location
src/vec/is/utils/hdf5io.c
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages