petsc-3.10.5 2019-03-28
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PetscBinaryOpen

 Opens a PETSc binary file.

Synopsis

PetscErrorCode  PetscBinaryOpen(const char name[],PetscFileMode mode,int *fd)
Not Collective

Input Parameters

name - filename
type - type of binary file, one of FILE_MODE_READ, FILE_MODE_APPEND, FILE_MODE_WRITE

Output Parameter

fd -the file

Notes

Files access with PetscBinaryRead() and PetscBinaryWrite() are ALWAYS written in big-endian format. This means the file can be accessed using PetscBinaryOpen() and PetscBinaryRead() and PetscBinaryWrite() on any machine.

See Also

PetscBinaryRead(), PetscBinaryWrite(), PetscFileMode, PetscViewerFileSetMode(), PetscViewerBinaryGetDescriptor(),
PetscBinarySynchronizedWrite(), PetscBinarySynchronizedRead(), PetscBinarySynchronizedSeek()

Level

advanced

Location

src/sys/fileio/sysio.c

Examples

src/dm/examples/tutorials/ex15.c.html

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