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

• A - a MATSEQAIJCUSPARSE matrix

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, MatSeqAIJCUSPARSEGetArray(), MatSeqAIJCUSPARSEGetArrayWrite(), MatSeqAIJCUSPARSERestoreArrayRead()

Level

developer

Location

src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu

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