DSGetArray — SLEPc 3.25.1 documentation

Skip to main content
`Ctrl`+`K`

# 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

DS: Direct Solver (or Dense System), `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