The main documentation of the Valid_State_Assembled_Vector Procedure contains additional explanation of this code listing.
function Valid_State_Assembled_Vector (AV) result(Valid)
! Input variables.
! Variable to be checked.
type(Assembled_Vector_type), intent(in) :: AV
! Output variables.
type(logical) :: Valid ! Logical state.
!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
! Start out true.
Valid = .true.
! Check for association of pointered internals.
Valid = Valid .and. ASSOCIATED(AV%Structure)
if (.not.Valid) return
! Check for validity of internals.
Valid = Valid .and. Initialized(AV)
Valid = Valid .and. Valid_State(AV%Dimensionality)
Valid = Valid .and. Valid_State(AV%Dimensions)
Valid = Valid .and. Valid_State(AV%NValues_Total)
Valid = Valid .and. Valid_State(AV%Name)
Valid = Valid .and. Valid_State(AV%Structure)
select case (AV%Dimensionality)
case (1)
Valid = Valid .and. Valid_State(AV%Values1)
case (2)
Valid = Valid .and. Valid_State(AV%Values2)
case (3)
Valid = Valid .and. Valid_State(AV%Values3)
case (4)
Valid = Valid .and. Valid_State(AV%Values4)
!case (-1)
! Valid = Valid .and. Valid_State(AV%ValuesRR)
end select
Valid = Valid .and. Valid_State(AV%Version)
if (.not.Valid) return
! Checks on the validity of AV.
select case (AV%Dimensionality)
case (1)
Valid = Valid .and. AV%NValues_Total * delta_PE_IO_PE == SIZE(AV%Values1)
Valid = Valid .and. ALL(AV%Dimensions == SHAPE(AV%Values1))
case (2)
Valid = Valid .and. AV%NValues_Total * delta_PE_IO_PE == SIZE(AV%Values2)
Valid = Valid .and. ALL(AV%Dimensions == SHAPE(AV%Values2))
case (3)
Valid = Valid .and. AV%NValues_Total * delta_PE_IO_PE == SIZE(AV%Values3)
Valid = Valid .and. ALL(AV%Dimensions == SHAPE(AV%Values3))
case (4)
Valid = Valid .and. AV%NValues_Total * delta_PE_IO_PE == SIZE(AV%Values4)
Valid = Valid .and. ALL(AV%Dimensions == SHAPE(AV%Values4))
!case (-1)
! Valid = Valid .and. AV%NValues_Total == SIZE(AV%ValuesRR)
end select
return
end function Valid_State_Assembled_Vector