MatSeqAIJCUSPARSEGetIJ#

returns the device row storage i and j indices for MATSEQAIJCUSPARSE matrices.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSeqAIJCUSPARSEGetIJ(Mat A, PetscBool compressed, const int **i, const int **j)

Not Collective

Input Parameters#

  • A - the matrix

  • compressed - PETSC_TRUE or PETSC_FALSE indicating the matrix data structure should be always returned in compressed form

Output Parameters#

  • i - the CSR row pointers

  • j - the CSR column indices

Note#

When compressed is true, the CSR structure does not contain empty rows

See Also#

Matrices, Mat, MatSeqAIJCUSPARSERestoreIJ(), MatSeqAIJCUSPARSEGetArrayRead()

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