! $Id$ ! ! Example/test code which shows User Component calls. !-------------------------------------------------------------------------------- !-------------------------------------------------------------------------------- ! ! !DESCRIPTION: ! User-supplied Component ! ! !\begin{verbatim} module user_model2 ! ESMF Framework module use ESMF implicit none public userm2_setvm, userm2_register contains !-------------------------------------------------------------------------------- ! ! The Register routine sets the subroutines to be called ! ! as the init, run, and finalize routines. Note that these are ! ! private to the module. subroutine userm2_setvm(comp, rc) type(ESMF_GridComp) :: comp integer, intent(out) :: rc #ifdef ESMF_TESTWITHTHREADS type(ESMF_VM) :: vm logical :: pthreadsEnabled #endif ! Initialize return code rc = ESMF_SUCCESS #ifdef ESMF_TESTWITHTHREADS ! The following call will turn on ESMF-threading (single threaded) ! for this component. If you are using this file as a template for ! your own code development you probably don't want to include the ! following call unless you are interested in exploring ESMF's ! threading features. ! First test whether ESMF-threading is supported on this machine call ESMF_VMGetGlobal(vm, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_VMGet(vm, pthreadsEnabledFlag=pthreadsEnabled, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out if (pthreadsEnabled) then call ESMF_GridCompSetVMMinThreads(comp, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out endif #endif end subroutine subroutine userm2_register(comp, rc) type(ESMF_GridComp) :: comp integer, intent(out) :: rc ! Initialize return code rc = ESMF_SUCCESS print *, "User Comp2 Register starting" ! Register the callback routines. call ESMF_GridCompSetEntryPoint(comp, ESMF_METHOD_INITIALIZE, userRoutine=user_init, & rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_GridCompSetEntryPoint(comp, ESMF_METHOD_RUN, userRoutine=user_run, & rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_GridCompSetEntryPoint(comp, ESMF_METHOD_FINALIZE, userRoutine=user_final, & rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out print *, "Registered Initialize, Run, and Finalize routines" print *, "User Comp2 Register returning" end subroutine !-------------------------------------------------------------------------------- ! ! User Comp Component created by higher level calls, here is the ! ! Initialization routine. 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_DistGrid) :: distgrid type(ESMF_Array) :: array type(ESMF_VM) :: vm integer :: petCount ! 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) return ! bail out call ESMF_VMGet(vm, petCount=petCount, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out ! Create the destination Array 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 distgrid = ESMF_DistGridCreate(minIndex=(/1,1/), maxIndex=(/100,150/), & regDecomp=(/1,petCount/), rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out array = ESMF_ArrayCreate(arrayspec=arrayspec, distgrid=distgrid, & indexflag=ESMF_INDEX_GLOBAL, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_ArraySet(array, name="array data", rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_StateAdd(importState, (/array/), rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out print *, "User Comp2 Init returning" end subroutine user_init !-------------------------------------------------------------------------------- ! ! The Run routine where data is validated. ! ! subroutine user_run(comp, importState, exportState, clock, rc) type(ESMF_GridComp) :: comp type(ESMF_State) :: importState, exportState type(ESMF_Clock) :: clock integer, intent(out) :: rc ! Local variables real(ESMF_KIND_R8) :: pi type(ESMF_Array) :: array real(ESMF_KIND_R8), pointer :: farrayPtr(:,:) ! matching F90 array pointer integer :: i, j ! Initialize return code rc = ESMF_SUCCESS print *, "User Comp2 Run starting" pi = 3.14159d0 ! Get the destination Array from the import State call ESMF_StateGet(importState, "array data", array, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out ! Gain access to actual data via F90 array pointer call ESMF_ArrayGet(array, localDe=0, farrayPtr=farrayPtr, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out ! Test Array in import state against exact solution do j = lbound(farrayPtr, 2), ubound(farrayPtr, 2) do i = lbound(farrayPtr, 1), ubound(farrayPtr, 1) if (abs(farrayPtr(i,j) - (10.0d0 & + 5.0d0 * sin(real(i,ESMF_KIND_R8)/100.d0*pi) & + 2.0d0 * sin(real(j,ESMF_KIND_R8)/150.d0*pi))) > 1.d-8) then rc=ESMF_FAILURE return ! bail out endif enddo enddo print *, "User Comp2 Run returning" end subroutine user_run !-------------------------------------------------------------------------------- ! ! The Finalization routine where things are deleted and cleaned up. ! ! subroutine user_final(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_DistGrid) :: distgrid type(ESMF_Array) :: array ! Initialize return code rc = ESMF_SUCCESS print *, "User Comp2 Final starting" call ESMF_StateGet(importState, "array data", array, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_ArrayGet(array, distgrid=distgrid, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_ArrayDestroy(array, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out call ESMF_DistGridDestroy(distgrid, rc=rc) if (rc/=ESMF_SUCCESS) return ! bail out print *, "User Comp2 Final returning" end subroutine user_final end module user_model2 !\end{verbatim}