petsc-3.12.5 2020-03-29
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MatDensePlaceArray
Allows one to replace the array in a dense array with an array provided by the user. This is useful to avoid copying an array into a matrix
Synopsis
#include "petscmat.h"
PetscErrorCode
MatDensePlaceArray
(
Mat
mat,const
PetscScalar
array[])
Not Collective
Input Parameters
mat
- the matrix
array
- the array in column major order
Notes
You can return to the original array with a call to
MatDenseResetArray
(). The user is responsible for freeing this array; it will not be freed when the matrix is destroyed.
See Also
MatDenseGetArray
(),
MatDenseResetArray
(),
VecPlaceArray
(),
VecGetArray
(),
VecRestoreArray
(),
VecReplaceArray
(),
VecResetArray
()
Level
developer
Location
src/mat/impls/dense/mpi/mpidense.c
Implementations
MatDensePlaceArray_MPIDense in src/mat/impls/dense/mpi/mpidense.c
MatDensePlaceArray_SeqDense in src/mat/impls/dense/seq/dense.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages