63 lines
1.6 KiB
Fortran
63 lines
1.6 KiB
Fortran
! Copyright 2016-2018 Free Software Foundation, Inc.
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!
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! This program is free software; you can redistribute it and/or modify
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! it under the terms of the GNU General Public License as published by
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! the Free Software Foundation; either version 3 of the License, or
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! (at your option) any later version.
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!
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! This program is distributed in the hope that it will be useful,
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! but WITHOUT ANY WARRANTY; without even the implied warranty of
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! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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! GNU General Public License for more details.
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!
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! You should have received a copy of the GNU General Public License
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! along with this program. If not, see <http://www.gnu.org/licenses/>.
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!
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! This file is the Fortran source file for derived-type-function.exp.
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! It was contributed by Walfred Tedeschi (walfred.tedeschi@intel.com).
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module class_Rectangle
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implicit none
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private
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type, public :: Rectangle
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real :: a
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real :: b
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contains
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procedure :: area => rectangle_area
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procedure :: print_area => print_area
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end type Rectangle
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contains
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function rectangle_area (this) result (area)
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class (Rectangle), intent (in) :: this
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real :: area
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area = this%a * this%b
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end function rectangle_area
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subroutine print_area (this)
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class (Rectangle), intent (in) :: this
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real :: area
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area = this%area ()
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print *, ' area = ', area
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end subroutine print_area
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end module class_Rectangle
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program rectangle_Test
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use class_Rectangle
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implicit none
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type (Rectangle) :: aRec
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real areaE
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aRec = Rectangle (2., 3.)
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! bp
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call aRec%print_area
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end program rectangle_Test
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