PETSc version 3.16.6
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PetscCalloc

Allocates a cleared (zeroed) memory region aligned to PETSC_MEMALIGN

Synopsis

#include <petscsys.h>
PetscErrorCode PetscCalloc(size_t m,void **result)
Not Collective

Input Parameter

m - number of bytes to allocate

Output Parameter

result - memory allocated

Notes

Memory is always allocated at least double aligned. This macro is useful in allocating memory pointed by void pointers

It is safe to allocate size 0 and pass the resulting pointer (which may or may not be NULL) to PetscFree().

See Also

PetscFree(), PetscNew()

Level

beginner

Location

include/petscsys.h
Index of all Sys routines
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