1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
! PR 19239. Check for various kinds of vector subscript. In this test,
! all vector subscripts are indexing single-dimensional arrays.
! { dg-do run }
program main
implicit none
integer, parameter :: n = 10
integer :: i, j, calls
integer, dimension (n) :: a, b, idx, id
idx = (/ 3, 1, 5, 2, 4, 10, 8, 7, 6, 9 /)
id = (/ (i, i = 1, n) /)
b = (/ (i * 100, i = 1, n) /)
!------------------------------------------------------------------
! Tests for a simple variable subscript
!------------------------------------------------------------------
a (idx) = b
call test (idx, id)
a = b (idx)
call test (id, idx)
a (idx) = b (idx)
call test (idx, idx)
!------------------------------------------------------------------
! Tests for constant ranges with non-default stride
!------------------------------------------------------------------
a (idx (1:7:3)) = b (10:6:-2)
call test (idx (1:7:3), id (10:6:-2))
a (10:6:-2) = b (idx (1:7:3))
call test (id (10:6:-2), idx (1:7:3))
a (idx (1:7:3)) = b (idx (1:7:3))
call test (idx (1:7:3), idx (1:7:3))
a (idx (1:7:3)) = b (idx (10:6:-2))
call test (idx (1:7:3), idx (10:6:-2))
a (idx (10:6:-2)) = b (idx (10:6:-2))
call test (idx (10:6:-2), idx (10:6:-2))
a (idx (10:6:-2)) = b (idx (1:7:3))
call test (idx (10:6:-2), idx (1:7:3))
!------------------------------------------------------------------
! Tests for subscripts of the form CONSTRANGE + CONST
!------------------------------------------------------------------
a (idx (1:5) + 1) = b (1:5)
call test (idx (1:5) + 1, id (1:5))
a (1:5) = b (idx (1:5) + 1)
call test (id (1:5), idx (1:5) + 1)
a (idx (6:10) - 1) = b (idx (1:5) + 1)
call test (idx (6:10) - 1, idx (1:5) + 1)
!------------------------------------------------------------------
! Tests for variable subranges
!------------------------------------------------------------------
do j = 5, 10
a (idx (2:j:2)) = b (3:2+j/2)
call test (idx (2:j:2), id (3:2+j/2))
a (3:2+j/2) = b (idx (2:j:2))
call test (id (3:2+j/2), idx (2:j:2))
a (idx (2:j:2)) = b (idx (2:j:2))
call test (idx (2:j:2), idx (2:j:2))
end do
!------------------------------------------------------------------
! Tests for function vectors
!------------------------------------------------------------------
calls = 0
a (foo (5, calls)) = b (2:10:2)
call test (foo (5, calls), id (2:10:2))
a (2:10:2) = b (foo (5, calls))
call test (id (2:10:2), foo (5, calls))
a (foo (5, calls)) = b (foo (5, calls))
call test (foo (5, calls), foo (5, calls))
if (calls .ne. 8) STOP 1
!------------------------------------------------------------------
! Tests for constant vector constructors
!------------------------------------------------------------------
a ((/ 1, 5, 3, 9 /)) = b (1:4)
call test ((/ 1, 5, 3, 9 /), id (1:4))
a (1:4) = b ((/ 1, 5, 3, 9 /))
call test (id (1:4), (/ 1, 5, 3, 9 /))
a ((/ 1, 5, 3, 9 /)) = b ((/ 2, 5, 3, 7 /))
call test ((/ 1, 5, 3, 9 /), (/ 2, 5, 3, 7 /))
!------------------------------------------------------------------
! Tests for variable vector constructors
!------------------------------------------------------------------
do j = 1, 5
a ((/ 1, (i + 3, i = 2, j) /)) = b (1:j)
call test ((/ 1, (i + 3, i = 2, j) /), id (1:j))
a (1:j) = b ((/ 1, (i + 3, i = 2, j) /))
call test (id (1:j), (/ 1, (i + 3, i = 2, j) /))
a ((/ 1, (i + 3, i = 2, j) /)) = b ((/ 8, (i + 2, i = 2, j) /))
call test ((/ 1, (i + 3, i = 2, j) /), (/ 8, (i + 2, i = 2, j) /))
end do
!------------------------------------------------------------------
! Tests in which the vector dimension is partnered by a temporary
!------------------------------------------------------------------
calls = 0
a (idx (1:6)) = foo (6, calls)
if (calls .ne. 1) STOP 2
do i = 1, 6
if (a (idx (i)) .ne. i + 3) STOP 3
end do
a = 0
calls = 0
a (idx (1:6)) = foo (6, calls) * 100
if (calls .ne. 1) STOP 4
do i = 1, 6
if (a (idx (i)) .ne. (i + 3) * 100) STOP 5
end do
a = 0
a (idx) = id + 100
do i = 1, n
if (a (idx (i)) .ne. i + 100) STOP 6
end do
a = 0
a (idx (1:10:3)) = (/ 20, 10, 9, 11 /)
if (a (idx (1)) .ne. 20) STOP 7
if (a (idx (4)) .ne. 10) STOP 8
if (a (idx (7)) .ne. 9) STOP 9
if (a (idx (10)) .ne. 11) STOP 10
a = 0
contains
subroutine test (lhs, rhs)
integer, dimension (:) :: lhs, rhs
integer :: i
if (size (lhs, 1) .ne. size (rhs, 1)) STOP 11
do i = 1, size (lhs, 1)
if (a (lhs (i)) .ne. b (rhs (i))) STOP 12
end do
a = 0
end subroutine test
function foo (n, calls)
integer :: i, n, calls
integer, dimension (n) :: foo
calls = calls + 1
foo = (/ (i + 3, i = 1, n) /)
end function foo
end program main
|
