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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/typebound_operator_3.f03
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+! { dg-do run }
+
+! Type-bound procedures
+! Check they can actually be called and run correctly.
+! This also checks for correct module save/restore.
+
+! FIXME: Check that calls to inherited bindings work once CLASS allows that.
+
+MODULE m
+ IMPLICIT NONE
+
+ TYPE mynum
+ REAL :: num_real
+ INTEGER :: num_int
+ CONTAINS
+ PROCEDURE, PASS, PRIVATE :: add_mynum ! Check that this may be PRIVATE.
+ PROCEDURE, PASS :: add_int
+ PROCEDURE, PASS :: add_real
+ PROCEDURE, PASS :: assign_int
+ PROCEDURE, PASS :: assign_real
+ PROCEDURE, PASS(from) :: assign_to_int
+ PROCEDURE, PASS(from) :: assign_to_real
+ PROCEDURE, PASS :: get_all
+
+ GENERIC :: OPERATOR(+) => add_mynum, add_int, add_real
+ GENERIC :: OPERATOR(.GET.) => get_all
+ GENERIC :: ASSIGNMENT(=) => assign_int, assign_real, &
+ assign_to_int, assign_to_real
+ END TYPE mynum
+
+CONTAINS
+
+ TYPE(mynum) FUNCTION add_mynum (a, b)
+ CLASS(mynum), INTENT(IN) :: a, b
+ add_mynum = mynum (a%num_real + b%num_real, a%num_int + b%num_int)
+ END FUNCTION add_mynum
+
+ TYPE(mynum) FUNCTION add_int (a, b)
+ CLASS(mynum), INTENT(IN) :: a
+ INTEGER, INTENT(IN) :: b
+ add_int = mynum (a%num_real, a%num_int + b)
+ END FUNCTION add_int
+
+ TYPE(mynum) FUNCTION add_real (a, b)
+ CLASS(mynum), INTENT(IN) :: a
+ REAL, INTENT(IN) :: b
+ add_real = mynum (a%num_real + b, a%num_int)
+ END FUNCTION add_real
+
+ REAL FUNCTION get_all (me)
+ CLASS(mynum), INTENT(IN) :: me
+ get_all = me%num_real + me%num_int
+ END FUNCTION get_all
+
+ SUBROUTINE assign_real (dest, from)
+ CLASS(mynum), INTENT(INOUT) :: dest
+ REAL, INTENT(IN) :: from
+ dest%num_real = from
+ END SUBROUTINE assign_real
+
+ SUBROUTINE assign_int (dest, from)
+ CLASS(mynum), INTENT(INOUT) :: dest
+ INTEGER, INTENT(IN) :: from
+ dest%num_int = from
+ END SUBROUTINE assign_int
+
+ SUBROUTINE assign_to_real (dest, from)
+ REAL, INTENT(OUT) :: dest
+ CLASS(mynum), INTENT(IN) :: from
+ dest = from%num_real
+ END SUBROUTINE assign_to_real
+
+ SUBROUTINE assign_to_int (dest, from)
+ INTEGER, INTENT(OUT) :: dest
+ CLASS(mynum), INTENT(IN) :: from
+ dest = from%num_int
+ END SUBROUTINE assign_to_int
+
+ ! Test it works basically within the module.
+ SUBROUTINE check_in_module ()
+ IMPLICIT NONE
+ TYPE(mynum) :: num
+
+ num = mynum (1.0, 2)
+ num = num + 7
+ IF (num%num_real /= 1.0 .OR. num%num_int /= 9) CALL abort ()
+ END SUBROUTINE check_in_module
+
+END MODULE m
+
+! Here we see it also works for use-associated operators loaded from a module.
+PROGRAM main
+ USE m, ONLY: mynum, check_in_module
+ IMPLICIT NONE
+
+ TYPE(mynum) :: num1, num2, num3
+ REAL :: real_var
+ INTEGER :: int_var
+
+ CALL check_in_module ()
+
+ num1 = mynum (1.0, 2)
+ num2 = mynum (2.0, 3)
+
+ num3 = num1 + num2
+ IF (num3%num_real /= 3.0 .OR. num3%num_int /= 5) CALL abort ()
+
+ num3 = num1 + 5
+ IF (num3%num_real /= 1.0 .OR. num3%num_int /= 7) CALL abort ()
+
+ num3 = num1 + (-100.5)
+ IF (num3%num_real /= -99.5 .OR. num3%num_int /= 2) CALL abort ()
+
+ num3 = 42
+ num3 = -1.2
+ IF (num3%num_real /= -1.2 .OR. num3%num_int /= 42) CALL abort ()
+
+ real_var = num3
+ int_var = num3
+ IF (real_var /= -1.2 .OR. int_var /= 42) CALL abort ()
+
+ IF (.GET. num1 /= 3.0) CALL abort ()
+END PROGRAM main
+
+! { dg-final { cleanup-modules "m" } }