petsc-master 2019-12-10
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VecGetArrayInPlace

Like VecGetArray(), but if this is a CUDA vector and it is currently offloaded to GPU, the returned pointer will be a GPU pointer to the GPU memory that contains this processor's portion of the vector data. Otherwise, it functions as VecGetArray().

Synopsis

#include "petscvec.h"   
PetscErrorCode VecGetArrayInPlace(Vec x,PetscScalar **a)
Logically Collective on Vec

Input Parameter

x -the vector

Output Parameter

a -location to put pointer to the array

See Also

VecRestoreArrayInPlace(), VecRestoreArrayInPlace(), VecRestoreArray(), VecGetArrayRead(), VecGetArrays(), VecGetArrayF90(), VecGetArrayReadF90(),
VecPlaceArray(), VecGetArray2d(), VecGetArrayPair(), VecRestoreArrayPair(), VecGetArrayWrite(), VecRestoreArrayWrite()

Level

beginner

Location

src/vec/vec/interface/rvector.c
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages