#include "petscis.h" PetscErrorCode ISStrideSetStride(IS is,PetscInt n,PetscInt first,PetscInt step)Collective on IS
is | - the index set | |
n | - the length of the locally owned portion of the index set | |
first | - the first element of the locally owned portion of the index set | |
step | - the change to the next index |