MatSeqAIJGetArrayF90#

Accesses a matrix array from Fortran.

Synopsis#

MatSeqAIJGetArrayF90(Mat x,{Scalar, pointer :: xx_v(:)},integer ierr)

Not Collective

Input Parameter#

  • x - matrix

Output Parameters#

  • xx_v - the Fortran pointer to the array

  • ierr - error code

Example of Usage#

      PetscScalar, pointer xx_v(:)
      ....
      call MatSeqAIJGetArrayF90(x,xx_v,ierr)
      a = xx_v(3)
      call MatSeqAIJRestoreArrayF90(x,xx_v,ierr)

See Also#

Matrices, Mat, MatSeqAIJRestoreArrayF90(), MatSeqAIJGetArray(), MatSeqAIJRestoreArray(), MatDenseGetArrayF90()

Level#

advanced

Location#

src/mat/interface/matrix.c

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