user_init Subroutine

  subroutine user_init(comp, importState, exportState, clock, rc)
    type(ESMF_GridComp) :: comp
    type(ESMF_State) :: importState, exportState
    type(ESMF_Clock) :: clock
    integer, intent(out) :: rc

    ! Local variables
    type(ESMF_ArraySpec)  :: arrayspec
    type(ESMF_Grid)       :: grid
    type(ESMF_Field)      :: field(3)
    type(ESMF_FieldBundle):: fieldbundle
    type(ESMF_VM)         :: vm
    integer               :: petCount, i
    
    ! Initialize return code
    rc = ESMF_SUCCESS

    print *, "User Comp2 Init starting"

    ! Determine petCount
    call ESMF_GridCompGet(comp, vm=vm, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
    call ESMF_VMGet(vm, petCount=petCount, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
    
    ! Create the destination FieldBundle and add it to the import State
    call ESMF_ArraySpecSet(arrayspec, typekind=ESMF_TYPEKIND_R8, rank=2, rc=rc)
    if (rc/=ESMF_SUCCESS) return ! bail out
    grid = ESMF_GridCreateNoPeriDim(minIndex=(/1,1/), maxIndex=(/100,150/), &
      regDecomp=(/1,petCount/), &
      gridEdgeLWidth=(/0,0/), gridEdgeUWidth=(/0,0/), & ! no stagger padding
      indexflag=ESMF_INDEX_GLOBAL, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)

#if 0
    do i = 1, 3
        field(i) = ESMF_FieldCreate(grid, arrayspec=arrayspec, &
              staggerloc=ESMF_STAGGERLOC_CENTER, rc=rc)
        if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
    enddo
#else
    field(1) = ESMF_FieldCreate(grid, name="Z", arrayspec=arrayspec, &
          staggerloc=ESMF_STAGGERLOC_CENTER, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
    field(2) = ESMF_FieldCreate(grid, name="Y", arrayspec=arrayspec, &
          staggerloc=ESMF_STAGGERLOC_CENTER, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
    field(3) = ESMF_FieldCreate(grid, name="X", arrayspec=arrayspec, &
          staggerloc=ESMF_STAGGERLOC_CENTER, rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
#endif
    fieldbundle = ESMF_FieldBundleCreate(fieldList=field, &
        name="fieldbundle data", rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)

    call ESMF_StateAdd(importState, fieldbundleList=(/fieldbundle/), rc=rc)
    if (rc/=ESMF_SUCCESS) call ESMF_Finalize(rc=rc, endflag=ESMF_END_ABORT)
   
    print *, "User Comp2 Init returning"

  end subroutine user_init