PetscMemzero

Zeros the specified memory.

Synopsis

#include "petsc.h"   
PetscErrorCode  PetscMemzero(void *a,size_t n)
Not Collective

Input Parameters

a - pointer to beginning memory location
n - length (in bytes) of memory to initialize

Compile Option

PETSC_PREFER_BZERO - on certain machines (the IBM RS6000) the bzero() routine happens to be faster than the memset() routine. This flag causes the bzero() routine to be used.

See Also

PetscMemcpy()

Level:intermediate
Location:
src/sys/utils/memc.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

Examples

src/mat/examples/tutorials/ex5.c.html
src/ksp/ksp/examples/tutorials/ex10.c.html
src/ksp/ksp/examples/tutorials/ex28.c.html
src/ksp/ksp/examples/tutorials/ex33.c.html