PetscBinaryRead

Reads from a binary file.

Synopsis

#include "petsc.h"    
PetscErrorCode PetscBinaryRead(int fd,void *p,PetscInt n,PetscDataType type)
Not Collective

Input Parameters

fd - the file
n - the number of items to read
type - the type of items to read (PETSC_INT, PETSC_DOUBLE or PETSC_SCALAR)

Output Parameters

p -the buffer

Notes

PetscBinaryRead() uses byte swapping to work on all machines. Integers are stored on the file as 32 long, regardless of whether they are stored in the machine as 32 or 64, this means the same binary file may be read on any machine.

See Also

PetscBinaryWrite(), PetscBinaryOpen(), PetscBinaryClose()

Level:developer
Location:
src/sys/src/fileio/sysio.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/vec/examples/tutorials/ex6.c.html