slepc-3.22.2 2024-12-02
DSGetArray
Returns a pointer to the internal array of one of the matrices. You MUST call DSRestoreArray() when you no longer need to access the array.
Synopsis
#include "slepcds.h"
PetscErrorCode DSGetArray(DS ds,DSMatType m,PetscScalar *a[])
Not Collective
Input Parameters
| ds | - the direct solver context
|
| m | - the requested matrix
|
Output Parameter
| a | - pointer to the values
|
Note
To get read-only access, use DSGetMat() followed by MatDenseGetArrayRead().
See Also
DSRestoreArray(), DSGetArrayReal()
Level
advanced
Location
src/sys/classes/ds/interface/dsops.c
Index of all DS routines
Table of Contents for all manual pages
Index of all manual pages