gcc/testsuite/gfortran.dg/proc_ptr_25.f90

   1 ! { dg-do run }
   2 !
   3 ! PR 41139: [4.5 Regression] a procedure pointer call as actual argument
   4 !
   5 ! Original test case by Barron Bichon <barron.bichon@swri.org>
   6 ! Modified by Janus Weil <janus@gcc.gnu.org>
   7
   8 PROGRAM test
   9
  10  PROCEDURE(add), POINTER :: f
  11  logical :: g
  12
  13  ! Passing the function works
  14  g=greater(4.,add(1.,2.))
  15  if (.not. g) STOP 1
  16
  17  ! Passing the procedure pointer fails
  18  f => add
  19  g=greater(4.,f(1.,2.))
  20  if (.not. g) STOP 2
  21
  22 CONTAINS
  23
  24  REAL FUNCTION add(x,y)
  25    REAL, INTENT(in) :: x,y
  26    print *,"add:",x,y
  27    add = x+y
  28  END FUNCTION add
  29
  30  LOGICAL FUNCTION greater(x,y)
  31    REAL, INTENT(in) :: x, y
  32    greater = (x > y)
  33  END FUNCTION greater
  34
  35 END PROGRAM test
  36