MatDensePlaceArray#
Allows one to replace the array in a MATDENSE matrix 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
Note#
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#
Matrices, Mat, MATDENSE, MatDenseGetArray(), MatDenseResetArray(), VecPlaceArray(), VecGetArray(), VecRestoreArray(), VecReplaceArray(), VecResetArray(),
MatDenseReplaceArray()
Level#
developer
Location#
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
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Index of all manual pages