! Program to test the ABS intrinsic
program intrinsic_abs
   implicit none
   integer i
   real(kind=4) r
   real(kind=8) q
   complex z

   i = 42
   i = abs(i)
   if (i .ne. 42) STOP 1
   i = -43
   i = abs(i)
   if (i .ne. 43) STOP 2

   r = 42.0
   r = abs(r)
   if (r .ne. 42.0) STOP 3
   r = -43.0
   r = abs(r)
   if (r .ne. 43.0) STOP 4

   q = 42.0_8
   q = abs(q)
   if (q .ne. 42.0_8) STOP 5
   q = -43.0_8
   q = abs(q)
   if (q .ne. 43.0_8) STOP 6

   z = (3, 4)
   r = abs(z)
   if (r .ne. 5) STOP 7
end program