test_AllFullReduce_sum Subroutine

      subroutine test_AllFullReduce_sum
! This subroutine tests all the overloaded versions of the full ESMF global sum.

      ! Test with integer arguments
      !=============================
      !EX_UTest
      write(failMsg, *) "Did not return ESMF_SUCCESS"
      write(name, *) "VM All Full Reduce ESMF_REDUCE_SUM Test"
      call ESMF_VMAllFullReduce(vm, sendData=array1, recvData=func_results, &
                                count=nsize, reduceflag=ESMF_REDUCE_SUM, rc=rc)
      call ESMF_Test((rc.eq.ESMF_SUCCESS), name, failMsg, result, ESMF_SRCLINE)

      ! print the result
      myresults = SUM(array2)
      print *, 'Global sum:'
      print *, localPet,' func_results: ', func_results, &
                        ' myresults:', myresults
      !------------------------------------------------------------------------
      !EX_UTest
      write(failMsg, *) "Returned wrong results"
      write(name, *) "Verify All Full Reduce ESMF_REDUCE_SUM Results Test"
      call ESMF_Test((func_results.eq.myresults), name, failMsg, &
                      result, ESMF_SRCLINE)
      !------------------------------------------------------------------------

      !Test with ESMF_KIND_R8 arguments
      !=================================
      !EX_UTest
      write(failMsg, *) "Did not return ESMF_SUCCESS"
      write(name, *) "VM All Full Reduce ESMF_REDUCE_SUM Test: ESMF_KIND_R8"
      call ESMF_VMAllFullReduce(vm, sendData=farray1, recvData=float_results, &
                                count=nsize, reduceflag=ESMF_REDUCE_SUM, rc=rc)
      call ESMF_Test((rc.eq.ESMF_SUCCESS), name, failMsg, result, ESMF_SRCLINE)

      ! print the result
      my_float_results = SUM(farray2)
      print *, 'Global sum:'
      print *, localPet,' float_results: ', float_results, &
                        ' my_float_results:', my_float_results

      !------------------------------------------------------------------------
      !EX_UTest
      write(failMsg, *) "Returned wrong results"
      write(name, *) "Verify Reduce ESMF_REDUCE_SUM Results Test: ESMF_KIND_R8"
      call ESMF_Test((float_results.eq.my_float_results), name, failMsg, &
                      result, ESMF_SRCLINE)
      !------------------------------------------------------------------------

      !Test with ESMF_KIND_R4 arguments
      !=================================
      !EX_UTest
      write(failMsg, *) "Did not return ESMF_SUCCESS"
      write(name, *) "VM All Full Reduce ESMF_REDUCE_SUM Test: ESMF_KIND_R4"
      call ESMF_VMAllFullReduce(vm, sendData=f4array1, recvData=float4_results,&
                                count=nsize, reduceflag=ESMF_REDUCE_SUM, rc=rc)
      call ESMF_Test((rc.eq.ESMF_SUCCESS), name, failMsg, result, ESMF_SRCLINE)

      ! print the result
      my_float4_results = SUM(f4array2)
      print *, 'Global sum:'
      print *, localPet,' float4_results: ', float4_results, &
                        ' my_float4_results:', my_float4_results

      !------------------------------------------------------------------------
      !EX_UTest
      write(failMsg, *) "Returned wrong results"
      write(name, *) "Verify Reduce ESMF_REDUCE_SUM Results Test: ESMF_KIND_R4"
      call ESMF_Test((float4_results.eq.my_float4_results), name, failMsg, &
                      result, ESMF_SRCLINE)
      !------------------------------------------------------------------------


      end subroutine test_AllFullReduce_sum