petsc-3.9.4 2018-09-11
VecPlaceArray
Allows one to replace the array in a vector with an array provided by the user. This is useful to avoid copying an array into a vector.
Synopsis
#include "petscvec.h"
PetscErrorCode VecPlaceArray(Vec vec,const PetscScalar array[])
Not Collective
Input Parameters
| vec | - the vector
|
| array | - the array
|
Notes
You can return to the original array with a call to VecResetArray()
See Also
VecGetArray(), VecRestoreArray(), VecReplaceArray(), VecResetArray()
Level
developer
Location
src/vec/vec/interface/rvector.c
Examples
src/ksp/ksp/examples/tutorials/ex13.c.html
src/ksp/ksp/examples/tutorials/ex13f90.F90.html
src/ksp/ksp/examples/tutorials/ex61f.F90.html
Implementations
VecPlaceArray_MPI in src/vec/vec/impls/mpi/pbvec.c
VecPlaceArray_Seq in src/vec/vec/impls/seq/dvec2.c
VecPlaceArray_SeqCUDA in src/vec/vec/impls/seq/seqcuda/veccuda.c
VecPlaceArray_SeqViennaCL in src/vec/vec/impls/seq/seqviennacl/vecviennacl.cxx
Index of all Vec routines
Table of Contents for all manual pages
Index of all manual pages