2 ! Testcase for SIGN() with integer arguments
4 ! + SIGN() evaluates its arguments only once
5 ! + SIGN() works on large values
6 ! + SIGN() works with parameter arguments
7 ! Contributed by FX Coudert <fxcoudert@gmail.com>
10 integer(kind
=1), parameter :: one1
= 1_1, mone1
= -1_1
11 integer(kind
=2), parameter :: one2
= 1_2, mone2
= -1_2
12 integer(kind
=4), parameter :: one4
= 1_4, mone4
= -1_4
13 integer(kind
=8), parameter :: one8
= 1_8, mone8
= -1_8
14 integer(kind
=1) :: i1
, j1
15 integer(kind
=2) :: i2
, j2
16 integer(kind
=4) :: i4
, j4
17 integer(kind
=8) :: i8
, j8
20 i1
= huge(0_1) ; j1
= -huge(0_1)
21 if (sign(i1
, j1
) /= j1
) STOP 1
22 if (sign(j1
, i1
) /= i1
) STOP 2
23 if (sign(i1
,one1
) /= i1
.or
. sign(j1
,one1
) /= i1
) STOP 3
24 if (sign(i1
,mone1
) /= j1
.or
. sign(j1
,mone1
) /= j1
) STOP 4
26 i2
= huge(0_2) ; j2
= -huge(0_2)
27 if (sign(i2
, j2
) /= j2
) STOP 5
28 if (sign(j2
, i2
) /= i2
) STOP 6
29 if (sign(i2
,one2
) /= i2
.or
. sign(j2
,one2
) /= i2
) STOP 7
30 if (sign(i2
,mone2
) /= j2
.or
. sign(j2
,mone2
) /= j2
) STOP 8
32 i4
= huge(0_4) ; j4
= -huge(0_4)
33 if (sign(i4
, j4
) /= j4
) STOP 9
34 if (sign(j4
, i4
) /= i4
) STOP 10
35 if (sign(i4
,one4
) /= i4
.or
. sign(j4
,one4
) /= i4
) STOP 11
36 if (sign(i4
,mone4
) /= j4
.or
. sign(j4
,mone4
) /= j4
) STOP 12
38 i8
= huge(0_8) ; j8
= -huge(0_8)
39 if (sign(i8
, j8
) /= j8
) STOP 13
40 if (sign(j8
, i8
) /= i8
) STOP 14
41 if (sign(i8
,one8
) /= i8
.or
. sign(j8
,one8
) /= i8
) STOP 15
42 if (sign(i8
,mone8
) /= j8
.or
. sign(j8
,mone8
) /= j8
) STOP 16
44 if (sign(foo(i
), 1) /= 1) STOP 1
45 if (sign(foo(i
), -1) /= -2) STOP 2
46 if (sign(42, foo(i
)) /= 42) STOP 3
47 if (sign(42, -foo(i
)) /= -42) STOP 4
50 if (sign(bar(), 1) /= 1) STOP 6
51 if (sign(bar(), -1) /= -2) STOP 7
52 if (sign(17, bar()) /= 17) STOP 8
53 if (sign(17, -bar()) /= -17) STOP 9
54 if (bar() /= 5) STOP 10
58 integer function foo(i
)
64 integer function bar()
65 integer, save :: i
= 0