rt_gccstream/gcc/testsuite/gfortran.dg/proc_ptr_3.f90

52 lines
743 B
Fortran

! { dg-do run }
!
! 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) call abort()
sp => e2
call sp(c,3.4)
if (abs(c-4.6)>0.01) call abort()
end