PETSc version 3.16.5
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# PetscArrayzero

Zeros an array in memory.

### Synopsis

    #include <petscsys.h>
    PetscErrorCode PetscArrayzero(anytype *str1,size_t cnt)

Not Collective

### Input Parameters

| str1 | - array
| cnt | - Count of the array, not in bytes, but number of entries in the array

### Note

This routine is a preferred replacement to PetscMemzero()

### See Also

PetscMemcpy(), PetscMemcmp(), PetscMemzero(), PetscArraycmp(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy(), PetscArraymove()

### Level

intermediate

### Location

include/petscsys.h

### Examples

src/dm/impls/plex/tutorials/ex6.c.html
src/ksp/ksp/tutorials/ex28.c.html
src/ts/tutorials/ex9.c.html
src/ts/tutorials/ex14.c.html
src/tao/leastsquares/tutorials/chwirut2.c.html
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