Examples
ex1.c:
ex10.c: Tests ISFilter().
ex11.c: Tests ISSortGlobal().
ex12.c: Tests HDF5 ISView() / ISLoad(), and ISSetLayout()
ex13.c: Tests ISDuplicate(), ISCopy(), ISShift(), ISEqualUnsorted(), ISEqual().
ex1f.F90:
ex2.c:
ex2f.F90:
ex3.c:
ex4.c: Tests ISToGeneral().
ex5.c: Tests ISLocalToGlobalMappingGetInfo.()
ex6.c: Tests ISComplement().
ex7.c: Tests ISLocate().
ex8.c: Tests ISLocalToGlobalMappingSetBlockSize.
ex9.c: Test ISLocalToGlobalMappingCreateSF(), PetscSFSetGraphLayout(), PetscSFGetGraphLayout().