ISBlockGetIndicesF90#

Accesses the elements of an index set from Fortran. The users should call ISBlockRestoreIndicesF90() after having looked at the indices. The user should NOT change the indices.

Synopsis#

ISBlockGetIndicesF90(IS x,{integer, pointer :: xx_v(:)},integer ierr)

Not Collective

Input Parameter#

  • x - index set

Output Parameters#

  • xx_v - the Fortran pointer to the array

  • ierr - error code Example of Usage:

    PetscInt, pointer xx_v(:)
    ....
    call ISBlockGetIndicesF90(x,xx_v,ierr)
    a = xx_v(3)
    call ISBlockRestoreIndicesF90(x,xx_v,ierr)

See Also#

ISBlockRestoreIndicesF90(), ISGetIndices(), ISRestoreIndices(), ISRestoreIndices()

Level#

intermediate

Location#

src/vec/is/is/interface/index.c

Examples#

src/vec/is/is/tutorials/ex3f90.F90

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