petsc-3.11.4 2019-09-28
ISBlockGetIndicesF90
Accesses the elements of an index set from Fortran90. 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 Fortran90 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/examples/tutorials/ex3f90.F90.html
Index of all IS routines
Table of Contents for all manual pages
Index of all manual pages