kim_temperature_unit_module.f90

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! and Distribution License Version 1.0 (the "License").
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!
! Copyright (c) 2016--2020, Regents of the University of Minnesota.
! All rights reserved.
!
! Contributors:
!    Ryan S. Elliott
!

!
! Release: This file is part of the kim-api-2.2.1 package.
!

module kim_temperature_unit_module
  use, intrinsic :: iso_c_binding
  implicit none
  private

  public &
    ! Derived type
    kim_temperature_unit_type, &
    ! Constants
    kim_temperature_unit_unused, &
    kim_temperature_unit_k, &
    ! Routines
    kim_known, &
    operator(.eq.), &
    operator(.ne.), &
    kim_from_string, &
    kim_to_string, &
    kim_get_number_of_temperature_units, &
    kim_get_temperature_unit

  type, bind(c) :: kim_temperature_unit_type
    integer(c_int) temperature_unit_id
  end type kim_temperature_unit_type

  type(kim_temperature_unit_type), protected, save, &
    bind(c, name="KIM_TEMPERATURE_UNIT_unused") &
    :: kim_temperature_unit_unused

  type(kim_temperature_unit_type), protected, save, &
    bind(c, name="KIM_TEMPERATURE_UNIT_K") &
    :: kim_temperature_unit_k

  interface kim_known
    module procedure kim_temperature_unit_known
  end interface kim_known

  interface operator(.eq.)
    module procedure kim_temperature_unit_equal
  end interface operator(.eq.)

  interface operator(.ne.)
    module procedure kim_temperature_unit_not_equal
  end interface operator(.ne.)

  interface kim_from_string
    module procedure kim_temperature_unit_from_string
  end interface kim_from_string

  interface kim_to_string
    module procedure kim_temperature_unit_to_string
  end interface kim_to_string

contains
  logical recursive function kim_temperature_unit_known(temperature_unit)
    implicit none
    interface
      integer(c_int) recursive function known(temperature_unit) &
        bind(c, name="KIM_TemperatureUnit_Known")
        use, intrinsic :: iso_c_binding
        import kim_temperature_unit_type
        implicit none
        type(kim_temperature_unit_type), intent(in), value :: temperature_unit
      end function known
    end interface
    type(kim_temperature_unit_type), intent(in) :: temperature_unit

    kim_temperature_unit_known = (known(temperature_unit) /= 0)
  end function kim_temperature_unit_known

  logical recursive function kim_temperature_unit_equal(lhs, rhs)
    implicit none
    type(kim_temperature_unit_type), intent(in) :: lhs
    type(kim_temperature_unit_type), intent(in) :: rhs

    kim_temperature_unit_equal &
      = (lhs%temperature_unit_id == rhs%temperature_unit_id)
  end function kim_temperature_unit_equal

  logical recursive function kim_temperature_unit_not_equal(lhs, rhs)
    implicit none
    type(kim_temperature_unit_type), intent(in) :: lhs
    type(kim_temperature_unit_type), intent(in) :: rhs

    kim_temperature_unit_not_equal = .not. (lhs == rhs)
  end function kim_temperature_unit_not_equal

  recursive subroutine kim_temperature_unit_from_string(string, &
                                                        temperature_unit)
    implicit none
    interface
      type(kim_temperature_unit_type) recursive function from_string(string) &
        bind(c, name="KIM_TemperatureUnit_FromString")
        use, intrinsic :: iso_c_binding
        import kim_temperature_unit_type
        implicit none
        character(c_char), intent(in) :: string(*)
      end function from_string
    end interface
    character(len=*, kind=c_char), intent(in) :: string
    type(kim_temperature_unit_type), intent(out) :: temperature_unit

    temperature_unit = from_string(trim(string)//c_null_char)
  end subroutine kim_temperature_unit_from_string

  recursive subroutine kim_temperature_unit_to_string(temperature_unit, string)
    use kim_convert_string_module, only: kim_convert_c_char_ptr_to_string
    implicit none
    interface
      type(c_ptr) recursive function get_string(temperature_unit) &
        bind(c, name="KIM_TemperatureUnit_ToString")
        use, intrinsic :: iso_c_binding
        import kim_temperature_unit_type
        implicit none
        type(kim_temperature_unit_type), intent(in), value :: temperature_unit
      end function get_string
    end interface
    type(kim_temperature_unit_type), intent(in) :: temperature_unit
    character(len=*, kind=c_char), intent(out) :: string

    type(c_ptr) :: p

    p = get_string(temperature_unit)
    call kim_convert_c_char_ptr_to_string(p, string)
  end subroutine kim_temperature_unit_to_string

  recursive subroutine kim_get_number_of_temperature_units( &
    number_of_temperature_units)
    implicit none
    interface
      recursive subroutine get_number_of_temperature_units( &
        number_of_temperature_units) &
        bind(c, name="KIM_TEMPERATURE_UNIT_GetNumberOfTemperatureUnits")
        use, intrinsic :: iso_c_binding
        implicit none
        integer(c_int), intent(out) :: number_of_temperature_units
      end subroutine get_number_of_temperature_units
    end interface
    integer(c_int), intent(out) :: number_of_temperature_units

    call get_number_of_temperature_units(number_of_temperature_units)
  end subroutine kim_get_number_of_temperature_units

  recursive subroutine kim_get_temperature_unit(index, &
                                                temperature_unit, ierr)
    implicit none
    interface
      integer(c_int) recursive function get_temperature_unit(index, &
                                                             temperature_unit) &
        bind(c, name="KIM_TEMPERATURE_UNIT_GetTemperatureUnit")
        use, intrinsic :: iso_c_binding
        import kim_temperature_unit_type
        implicit none
        integer(c_int), intent(in), value :: index
        type(kim_temperature_unit_type), intent(out) :: temperature_unit
      end function get_temperature_unit
    end interface
    integer(c_int), intent(in) :: index
    type(kim_temperature_unit_type), intent(out) :: temperature_unit
    integer(c_int), intent(out) :: ierr

    ierr = get_temperature_unit(index - 1, temperature_unit)
  end subroutine kim_get_temperature_unit
end module kim_temperature_unit_module