1 ! Program to test the cshift intrinsic
2 program intrinsic_cshift
3 integer, dimension(3, 3) :: a
4 integer, dimension(3, 3, 2) :: b
7 a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
9 if (any (a .ne. reshape ((/2, 3, 1, 5, 6, 4, 8, 9, 7/), (/3, 3/)))) &
12 a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
13 a = cshift (a, -2, dim = 2)
14 if (any (a .ne. reshape ((/4, 5, 6, 7, 8, 9, 1, 2, 3/), (/3, 3/)))) &
18 a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
19 a = cshift (a, (/1, 0, -1/))
20 if (any (a .ne. reshape ((/2, 3, 1, 4, 5, 6, 9, 7, 8/), (/3, 3/)))) &
23 a = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/))
24 a = cshift (a, (/2, -2, 0/), dim = 2)
25 if (any (a .ne. reshape ((/7, 5, 3, 1, 8, 6, 4, 2, 9/), (/3, 3/)))) &
28 ! Test arrays > rank 2
29 b = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17,&
30 18, 19/), (/3, 3, 2/))
32 if (any (b .ne. reshape ((/2, 3, 1, 5, 6, 4, 8, 9, 7, 12, 13, 11, 15,&
33 16, 14, 18, 19, 17/), (/3, 3, 2/)))) &
36 b = reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17,&
37 18, 19/), (/3, 3, 2/))
38 b = cshift (b, reshape ((/1, 2, 3, 4, 5, 6, 7, 8, 9/), (/3, 3/)), 3)
39 if (any (b .ne. reshape ((/11, 2, 13, 4, 15, 6, 17, 8, 19, 1, 12, 3,&
40 14, 5, 16, 7, 18, 9/), (/3, 3, 2/)))) &