MatSeqAIJGetArrayRead — PETSc 3.25.4 documentation

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# MatSeqAIJGetArrayRead

gives read-only access to the array where the data for a `MATSEQAIJ` matrix is stored

## Synopsis

    #include "petscmat.h"
    PetscErrorCode MatSeqAIJGetArrayRead(Mat A, const PetscScalar *array[])

Not Collective

## Input Parameter

- A - a `MATSEQAIJ` matrix

## Output Parameter

- array - pointer to the data

## See Also

Matrices, `Mat`, `MatSeqAIJGetArray()`, `MatSeqAIJRestoreArrayRead()`

## Level

intermediate

## Location

src/mat/impls/aij/seq/aij.c

## Implementations

MatSeqAIJGetArrayRead_SeqAIJKokkos() in src/mat/impls/aij/seq/kokkos/aijkok.kokkos.cxx
MatSeqAIJGetArrayRead_SeqAIJCUSPARSE() in src/mat/impls/aij/seq/seqcusparse/aijcusparse.cu
MatSeqAIJGetArrayRead_SeqAIJHIPSPARSE() in src/mat/impls/aij/seq/seqhipsparse/aijhipsparse.hip.cxx
MatSeqAIJGetArrayRead_SeqAIJViennaCL() in src/mat/impls/aij/seq/seqviennacl/aijviennacl.cxx

Index of all Mat routines
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Index of all manual pages