slepc-3.21.1 2024-04-26
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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