petsc-3.5.4 2015-05-23
PetscMemzero
Zeros the specified memory.
Synopsis
PETSC_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.
Developer Note: this is inlined for fastest performance
See Also
PetscMemcpy()
Level:intermediate
Location:include/petscsys.h
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/sys/examples/tutorials/ex5.c.html
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/ex42.c.html
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html
src/snes/examples/tutorials/ex7.c.html
src/snes/examples/tutorials/ex15.c.html
src/snes/examples/tutorials/ex48.c.html
src/snes/examples/tutorials/ex54.c.html