view gcc/testsuite/gfortran.dg/proc_ptr_3.f90 @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
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! { dg-do run }
! { dg-require-visibility "" }
!
! PROCEDURE POINTERS without the PROCEDURE statement
!
! Contributed by Janus Weil <janus@gcc.gnu.org>

real function e1(x)
  real :: x
  e1 = x * 3.0
end function

subroutine e2(a,b)
  real, intent(inout) :: a
  real, intent(in) :: b
  a = a + b
end subroutine

program proc_ptr_3

real, external, pointer :: fp

pointer :: sp
interface
  subroutine sp(a,b)
    real, intent(inout) :: a
    real, intent(in) :: b
  end subroutine sp
end interface

real, external :: e1

interface
  subroutine e2(a,b)
    real, intent(inout) :: a
    real, intent(in) :: b
  end subroutine e2
end interface

real :: c = 1.2

fp => e1

if (abs(fp(2.5)-7.5)>0.01) STOP 1

sp => e2

call sp(c,3.4)

if (abs(c-4.6)>0.01) STOP 2

end