PETSc version 3.16.6
MatSeqAIJCUSPARSEGetArrayRead
gives read-only access to the array where the device data for a MATSEQAIJCUSPARSE matrix is stored
Synopsis
#include "petscmat.h"
PetscErrorCode MatSeqAIJCUSPARSEGetArrayRead(Mat A, const PetscScalar** a)
Not Collective
Input Parameter
Output Parameter
| a | - pointer to the device data
|
Notes: may trigger host-device copies if up-to-date matrix data is on host
See Also
MatSeqAIJCUSPARSEGetArray(), MatSeqAIJCUSPARSEGetArrayWrite(), MatSeqAIJCUSPARSERestoreArrayRead()
Level
developer
Location
src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu
Index of all Mat routines
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Index of all manual pages