MatSeqAIJHIPSPARSEGetArrayRead#

gives read-only access to the array where the device data for a MATSEQAIJHIPSPARSE matrix is stored Not Collective

Synopsis#

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

Input Parameter#

  • A - a MATSEQAIJHIPSPARSE matrix

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#

MatSeqAIJHIPSPARSEGetArray(), MatSeqAIJHIPSPARSEGetArrayWrite(), MatSeqAIJHIPSPARSERestoreArrayRead()

Level#

developer

Location#

src/mat/impls/aij/seq/seqhipsparse/aijhipsparse.hip.cpp

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