MatSeqAIJCUSPARSEGetArray#

gives read-write access to the array where the device data for a MATSEQAIJCUSPARSE matrix is stored

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSeqAIJCUSPARSEGetArray(Mat A, PetscScalar **a)

Not Collective

Input Parameter#

Output Parameter#

  • a - pointer to the device data

Note#

May trigger host-device copies if up-to-date matrix data is on host

See Also#

Matrices, Mat, MatSeqAIJCUSPARSEGetArrayRead(), MatSeqAIJCUSPARSEGetArrayWrite(), MatSeqAIJCUSPARSERestoreArray()

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