petsc-3.9.4 2018-09-11
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MatDenseGetArrayF90

 Accesses a matrix array from Fortran90.

Synopsis

MatDenseGetArrayF90(Mat x,{Scalar, pointer :: xx_v(:,:)},integer ierr)
Not collective

Input Parameter

x -matrix

Output Parameters

xx_v - the Fortran90 pointer to the array
ierr - error code

Example of Usage

      PetscScalar, pointer xx_v(:,:)
      ....
      call MatDenseGetArrayF90(x,xx_v,ierr)
      a = xx_v(3)
      call MatDenseRestoreArrayF90(x,xx_v,ierr)

See Also

MatDenseRestoreArrayF90(), MatDenseGetArray(), MatDenseRestoreArray(), MatSeqAIJGetArrayF90()

Level

advanced

Location

src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages