1! { dg-do compile }
2! { dg-options "" }
3program test
4  implicit none
5
6!!!!!! INTEGER BASE !!!!!!
7  print *, 0**0
8  print *, 0**1
9  print *, 0**(-1) ! { dg-error "Division by zero" }
10  print *, 0**(huge(0))
11  print *, 0**(-huge(0)-1) ! { dg-error "Division by zero" }
12  print *, 0**(2_8**32)
13  print *, 0**(-(2_8**32)) ! { dg-error "Division by zero" }
14
15  print *, 1**huge(0)
16  print *, 1**(-huge(0)-1)
17  print *, 1**huge(0_8)
18  print *, 1**(-huge(0_8)-1_8)
19  print *, (-1)**huge(0)
20  print *, (-1)**(-huge(0)-1)
21  print *, (-1)**huge(0_8)
22  print *, (-1)**(-huge(0_8)-1_8)
23
24  print *, 2**huge(0) ! { dg-error "Arithmetic overflow|exceeds the range" }
25  print *, 2**huge(0_8) ! { dg-error "Arithmetic overflow|exceeds the range" }
26  print *, (-2)**huge(0) ! { dg-error "Arithmetic overflow|exceeds the range" }
27  print *, (-2)**huge(0_8) ! { dg-error "Arithmetic overflow|exceeds the range" }
28
29  print *, 2**(-huge(0)-1)
30  print *, 2**(-huge(0_8)-1_8)
31  print *, (-2)**(-huge(0)-1)
32  print *, (-2)**(-huge(0_8)-1_8)
33
34!!!!!! REAL BASE !!!!!!
35  print *, 0.0**(-1) ! { dg-error "Arithmetic overflow" }
36  print *, 0.0**(-huge(0)-1) ! { dg-error "Arithmetic overflow" }
37  print *, 2.0**huge(0) ! { dg-error "Arithmetic overflow" }
38  print *, nearest(1.0,-1.0)**(-huge(0)) ! { dg-error "Arithmetic overflow" }
39
40!!!!!! COMPLEX BASE !!!!!!
41  print *, (2.0,-4.3)**huge(0) ! { dg-error "Arithmetic overflow" }
42  print *, (2.0,-4.3)**huge(0_8) ! { dg-error "Arithmetic overflow" }
43  print *, (2.0,-4.3)**(-huge(0))
44  print *, (2.0,-4.3)**(-huge(0_8))
45
46end program test
47