PetscMemzero#
Zeros the specified memory.
Synopsis#
static inline 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.
Notes#
Prefer PetscArrayzero()
See Also#
PetscMemcpy(), PetscMemcmp(), PetscArrayzero(), PetscArraycmp(), PetscArraycpy(), PetscMemmove(), PetscStrallocpy()
Level#
intermediate
Location#
Examples#
src/ksp/ksp/tutorials/ex42.c
src/ksp/ksp/tutorials/ex43.c
src/ksp/ksp/tutorials/ex49.c
src/ksp/ksp/tutorials/ex70.c
src/snes/tutorials/ex48.c
src/sys/tutorials/ex5.c
src/ts/tutorials/ex10.c
src/ts/tutorials/ex11.c
src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex14.c
src/ts/tutorials/ex36.c
Index of all Sys routines
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Index of all manual pages