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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Index of all Mat routines
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